Western Digital Ultrastar DC HC310 Specifications
  1. Manuals
  2. Brands
  3. Western Digital Manuals
  4. Storage
  5. Ultrastar DC HC310
  6. Specifications

Western Digital Ultrastar DC HC310 Specifications

3.5 inch serial ata hard disk drive
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Hard Disk Drive Specifications
Ultrastar
™
3.5 inch Serial ATA Hard Disk Drive
Models:
HUS726T6TALE6L4
HUS726T6TALN6L4
HUS726T4TALE6L4
HUS726T4TALN6L4
HUS726T4TALA6L4
DC HC310
Revision 1.4
18 September 2018

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Ultrastar DC HC310 and is the answer not in the manual?

Questions and answers

Related Manuals for Western Digital Ultrastar DC HC310

Summary of Contents for Western Digital Ultrastar DC HC310

  • Page 1 Hard Disk Drive Specifications Ultrastar ™ DC HC310 3.5 inch Serial ATA Hard Disk Drive Models: HUS726T6TALE6L4 HUS726T6TALN6L4 HUS726T4TALE6L4 HUS726T4TALN6L4 HUS726T4TALA6L4 Revision 1.4 18 September 2018...
  • Page 2 U.S. and/or other countries. All other marks are the property of their respective owners. References in this publication to Western Digital-branded products, programs, or services do not imply that they will be made available in all countries. Product specifications provided are sample specifications and do not constitute a warranty.

  • Page 3: Table Of Contents

    Table of Contents General ............................1 Introduction.......................... 1 Glossary ..........................2 General Caution ........................2 References ..........................2 General Features ..........................3 Part 1. Functional Specification ......................4 Fixed Disk Subsystem Description ....................... 5 Control Electronics ....................... 5 Head Disk Assembly ......................5 Actuator ..........................
  • Page 4 6.5.3 Heads Unload and Actuator Lock ...................27 Vibration and Shock ......................28 6.6.1 Operating Vibration ......................28 6.6.2 Nonoperating Vibration ....................29 6.6.3 Operating Shock ......................29 6.6.4 Nonoperating Shock ......................29 6.6.5 Nonoperating Rotational Shock ..................30 Acoustics ..........................31 Identification Labels ......................31 Safety ..........................32 6.9.1 UL and CSA Standard Conformity .................32 6.9.2 European Safety Mark ....................32...
  • Page 5 9.5.3 Attribute Thresholds .....................46 9.5.4 Threshold Exceeded Condition ..................46 9.5.5 SMART Commands .......................46 9.5.6 Off-Line Read Scanning ....................46 9.5.7 Error Log ........................47 9.5.8 Self-Test ........................47 Security Mode Feature Set ....................48 9.6.1 Security Mode .......................48 9.6.2 Security Level .......................48 9.6.3 Password........................48 9.6.4 Operation Example .......................49 9.6.5...
  • Page 6 9.21.4 Encryption Algorithms ....................101 9.21.5 TCG Enterprise SSC Tables ..................102 9.21.6 Firmware Download and Signing ................. 105 9.21.7 Ports ........................... 105 9.21.8 MSID .......................... 108 9.21.9 Logging ........................108 9.21.10 Number of Sessions ....................108 9.21.11 Number of Bands ..................... 108 9.21.12 Number of COMIDs ....................
  • Page 7 11.23.2 Extended Comprehensive SMART Error log ............. 177 11.23.3 Device Statistics log ....................180 11.23.4 Extended Self-test log sector ..................186 11.23.5 Power Conditions log....................187 11.23.6 Queued Error Log ....................190 11.23.7 Read Stream Error log ..................... 191 11.23.8 Write Stream Error log.....................
  • Page 8 11.51.5 SMART summary error log sector ................273 11.51.6 Self-test log data structure ..................275 11.51.7 Selective self-test log data structure ................. 276 11.51.8 Error Reporting......................277 11.52 Standby (E2h/96h) ......................278 11.53 Standby Immediate (E0h/94h) ..................279 11.54 Trusted Receive (5Ch) ..................... 280 11.55 Trusted Receive DMA (5Dh) ....................
  • Page 9 List of Tables Table 1 R/N and Model#........................ 1 Table 2 Formatted Capacity ......................6 Table 3 Data Sheet ........................7 Table 4 World Wide Name Assignm ent ..................7 Table 5 Average Seek Time ......................9 Table 6 Single Track Seek Time ....................9 Table 7 Latency Time........................
  • Page 10 Table 52 SCT Action Code List .....................79 Table 53 Extended Status Code....................80 Table 54 Input Registers of SCT Data Transfer Using SMART .............81 Table 55 Input Registers of SCT Data Transfer using Read/Write Log Ext ........81 Table 56 Input Registers of SCT Status Request Using SMART ............82 Table 57 Input Registers of SCT Status Request Using Read Log Ext ...........82 Table 58...
  • Page 11 Table 106 Download Microcode DMA Command (93h) ..............132 Table 107 Execute Device Diagnostic Command (90h) ..............134 Table 108 Flush Cache Command (E7h) ..................135 Table 109 Flush Cache Ext Command (EAh) ................136 Table 110 Format Track Command (50h)..................137 Table 111 Format Unit Command (F7h) ..................
  • Page 12 Table 160 Extended Self-test log descriptor entry ............... 186 Table 161 Idle power conditions (log page 0 0h) ................187 Table 162 Standby power conditions (log page 01h) ..............187 Table 163 Power condition log description .................. 188 Table 164 Power condition log description - Continued - .............
  • Page 13 Table 214 Go To Power Condition subcommand ................246 Table 215 Set Power Condition Timer subcommand..............247 Table 216 Set Power Condition State subcommand..............249 Table 217 Enable the EPC feature subcommand................. 250 Table 218 Disable the EPC feature subcommand ................ 251 Table 219 Set Max ADDRESS (F9h) ...................
  • Page 14 List of Figures Figure 1 PList physical format ......................12 Figure 2 Connector location ......................13 Figure 3 Connector pin assignments ....................13 Figure 4 The timing of COMRESET, COMINIT and COMWAKE.............16 Figure 5 Limits of temperature and altitude..................17 Figure 6 Limits of temperature and humidity ..................18 Figure 7 Start up current waveforms....................19 Figure 8 Idle_C Standby_Y recovery current waveform ................20 Figure 9 Standby_Z recovery current waveform ..................20...

  • Page 15: Table 1 R/N And Model

    General Introduction This document describes the specifications of the Ultrastar DC HC310 Western Digital Corporation (WDC) 3.5-inch 7200-rpm serial ATA interface hard disk drive with the following model numbers: Pin3 Power Capacity Interface Format Model# Security Control 3.5" SATA HUS726T6TALE6L4...

  • Page 16: Glossary

     Serial ATA International Organization: Serial ATA Revision 3.2 TPR056r13 Enable new Power Disable feature on standard SATA connector P3  Serial ATA International Organization: Serial ATA Revision 3.2 ECN079v2 TPR056 Corrections for Power Disable Western Digital Hard Disk Drive OEM Specification...
  • Page 17  CHS and LBA modes  Security feature support  48 bit addressing feature  SATA 3.2 compliant with optional SATA 3.3 Power Disable Feature support  Full disk encryption support (specific models only) Western Digital Hard Disk Drive OEM Specification...
  • Page 18 Part 1. Functional Specification Western Digital Hard Disk Drive OEM Specification...

  • Page 19: Head Disk Assembly

    The actuator assembly is balanced to allow vertical or horizontal mounting without adjustment. When the drive is powered off, the actuator automatically moves the head to the actuator ramp outside of the disk where it parks. Western Digital Hard Disk Drive OEM Specification...

  • Page 20: Table 2 Formatted Capacity

    The Logical layout to Physical layout (that is, the actual Head and Sectors) translation is done automatically in the drive. The default setting can be obtained by issuing an IDENTIFY DEVICE command. Western Digital Hard Disk Drive OEM Specification...

  • Page 21: Table 3 Data Sheet

    Table 3 Data Sheet World Wide Name Assignment Description 6TB SATA Model 000CCAh Block Assignment (initial) 98h (Thailand) Description 4TB SATA Model 000CCAh Block Assignment (initial) 97h (Thailand) Table 4 World Wide Name Assignment Western Digital Hard Disk Drive OEM Specification...

  • Page 22: Drive Organization

    This cylinder contains the user data which can be sent and retrieved via read/write commands and a spare area for reassigned data. Spare cylinder The spare cylinder is used by WDC manufacturing and includes data sent from a defect location. Western Digital Hard Disk Drive OEM Specification...

  • Page 23: Table 5 Average Seek Time

    Read 0.23 0.25 Write 0.32 0.45 Table 6 Single Track Seek Time 4.5.1.3 Average Latency Time for a Revolution Average Latency Rotational Speed (ms) (ms) 7200 RPM 8.33 4.16 Table 7 Latency Time Western Digital Hard Disk Drive OEM Specification...

  • Page 24: Table 8 Drive Ready Time

    Actuator is unloaded and spindle motor is stopped. Only soft reset or hard reset can change the mode to Standby_Z Note: Upon power down or spindle stop a head locking mechanism will secure the heads in the OD parking position. Western Digital Hard Disk Drive OEM Specification...

  • Page 25: Table 9 6Tb Mode Transition Times

    Idle_C Active 6300 --> 7200 Standby_Y Active 6300 --> 7200 Standby_Z Active 0 --> 7200 Table 10 4TB Mode Transition Times Note: Maximum transition time of 30 seconds based on drive timeout value Western Digital Hard Disk Drive OEM Specification...

  • Page 26: Figure 1 Plist Physical Format

    Figure 1 PList physical format Defects are skipped without any constraint, such as track or cylinder boundary. The calculation from LBA to physical is done automatically by internal table. Western Digital Hard Disk Drive OEM Specification...

  • Page 27: Figure 2 Connector Location

    Specification Electrical Interface 6.1.1 Connector Location Refer to the following illustration to see the location of the connectors. Figure 2 Connector location Figure 3 Connector pin assignments Western Digital Hard Disk Drive OEM Specification...
  • Page 28 The power cable receptacle connector on one end of the power cable mates with the device power plug connector. The other end of the power cable is attached to the host as necessary. Western Digital Hard Disk Drive OEM Specification...

  • Page 29: Table 11 Interface Connector Pins And I/O Signals

    Drives with this optional feature WILL NOT POWER UP in systems designed to SATA Spec Revision 3.1 or earlier because P3 driven HIGH will prevent the drive from poweri ng up. Western Digital Hard Disk Drive OEM Specification...

  • Page 30: Table 12 Parameter Descriptions

    The drive provides an open-drain driver with 15mA of current sink capability to the Ready LED Output signal. The cathode of the LED should be connected to this signal. The LED and the current-limiting resistor must be provided by the enclosure. Western Digital Hard Disk Drive OEM Specification...

  • Page 31: Table 13 Temperature And Humidity

    –300 to 12,000 m (Inside dashed-dotted line of Figure 4) Altitude Table 13 Temperature and Humidity Notes: 1. Non-condensing conditions should be maintained at all times. Figure 5 Limits of temperature and altitude Western Digital Hard Disk Drive OEM Specification...

  • Page 32: Figure 6 Limits Of Temperature And Humidity

    Care must also be taken to avoid use of any organometallic (e.g. organosilicon or organotin) compound/material in a way that creates elevated vapor l evels of these compounds/materials in the atmosphere surrounding the disk drive. Western Digital Hard Disk Drive OEM Specification...

  • Page 33: Table 14 Input Voltage

    Caution: To avoid damage to the drive electronics, power supply voltage spikes must not exceed specifications. During start up and operation Start up peak AC and DC on 5V and 12V Figure 7 Start up current waveforms Western Digital Hard Disk Drive OEM Specification...

  • Page 34: Figure 8 Idle_C Standby_Y Recovery Current Waveform

    Idle_C, Standby_Y recovery peak AC and DC on 12V Figure 8 Idle_C Standby_Y recovery current waveform Standby_Z recovery peak AC and DC on 12V Figure 9 Standby_Z recovery current waveform Western Digital Hard Disk Drive OEM Specification...

  • Page 35: Table 15 Sata Power Consumption, 6Tb, 4K

    Single port, 6Gb/s [1] 200ms windowed average [2] Max transfer rate [3] Power saved compared to Idle_0 [4] Maximum single peak in test samples [5] Maximum power workload Table 15 SATA Power Consumption, 6TB, 4k Western Digital Hard Disk Drive OEM Specification...

  • Page 36: Table 16 Sata Power Consumption, 4Tb, 4K

    Single port, 6Gb/s [1] 200ms windowed average [2] Max transfer rate [3] Power saved compared to Idle_0 [4] Maximum single peak in test samples [5] Maximum power workload Table 16 SATA Power Consumption, 4TB, 4k Western Digital Hard Disk Drive OEM Specification...

  • Page 37: Table 17 Sata Power Consumption, 4Tb, 512N

    Single port, 6Gb/s [1] 200ms windowed average [2] Max transfer rate [3] Power saved compared to Idle_0 [4] Maximum single peak in test samples [5] Maximum power workload Table 17 SATA Power Consumption, 4TB, 512n Western Digital Hard Disk Drive OEM Specification...

  • Page 38: Table 18 Allowable Power Supply Noise Limits At Drive Power Connector

    To prevent significant performance loss, the power line noise level when measured at the drive power connector should be kept below the limits in the above table. 6.3.4 Power Consumption Efficiency Power Consumption SATA W/GB Efficiency at Idle_0 0.00102 0.00128 Table 19 Power Consumption Efficiency Western Digital Hard Disk Drive OEM Specification...

  • Page 39: Reliability

    LDPC on the fly/ offline data correction  4608 bit LDPC  This implementation recovers maximum 2500 bits single burst error by on the fly correction and maximum 3500 bits single burst error by offline correction Western Digital Hard Disk Drive OEM Specification...

  • Page 40: Table 20 Physical Dimensions

    26.1 Max 101.6 ± 0.25 147 Max 715 Max Table 20 Physical Dimensions 6.5.1.1 SATA Figure 10 Top, bottom, side views and mechanical dimensions, with connector position (SATA) All dimensions are in millimeters. Western Digital Hard Disk Drive OEM Specification...

  • Page 41: Drive Mounting

    Heads are moved out from disks (unload) to protect the disk data during shipping, moving, or storage. Upon power down, the heads are automatically unloaded from disk area and the locking mechanism of the head actuator will secure the heads in unload position. Western Digital Hard Disk Drive OEM Specification...

  • Page 42: Table 21 Random Vibration Psd Profile Break Points (Operating)

    200 Hz 800 Hz 1000 Hz 1500 Hz 1700 Hz 2000 Hz (Rad/s 1.90E 1.90E 1.87E 1.87E 5.33E 7.70E 4.00E 4.00E 12.5 [(Rad/s /Hz] Table 22 Random Vibration (Rotational) PSD Profile Break Points Western Digital Hard Disk Drive OEM Specification...

  • Page 43: Table 23 Random Vibration Psd Profile Break Points (Nonoperating)

    (50 G). (Average response curve value during the time following the 1 ms rise time and before the 1 ms fall with a time "duration of 11 ms")  Minimum velocity change is 4.23 m/sec Western Digital Hard Disk Drive OEM Specification...

  • Page 44: Table 24 Sinusoidal Shock Wave

    1470 (150G) Table 24 Sinusoidal Shock Wave 6.6.5 Nonoperating Rotational Shock All shock inputs shall be applied around the actuator pivot axis. Duration Rad/sec 1 ms 30,000 2 ms 20,000 Table 25 Rotational Shock Western Digital Hard Disk Drive OEM Specification...

  • Page 45: Table 26 Sound Power Levels

    A bar code label containing the drive serial number  A label containing the jumper pin description  A user designed label per agreement The above labels may be integrated with other labels. Western Digital Hard Disk Drive OEM Specification...

  • Page 46: Safety

    (RoHS) and with Halogen free requirements based on the electronics industry standard, IEC 61249-2-21 (http://www.iec.ch/). 6.9.6 Secondary Circuit Protection The product contains both 5V and 12V over-current protection circuitry. Western Digital Hard Disk Drive OEM Specification...

  • Page 47: Electromagnetic Compatibility

    Limits and methods of measurement of radio disturbance characteristics of information technology, EN55032 : 2015 Class B. 6.10.3 BSMI Mark The product complies with the Taiwan EMC standard “Limits and methods of measurement of radio disturbance characteristics of information technology equipment, CNS 13438 Class B.” Western Digital Hard Disk Drive OEM Specification...

  • Page 48: Kc Mark

    KN32/KN35 measurement standards and limits. KC standards are likewise based on IEC standards. 6.11 Third Party Notices This product includes the following third party software: bzip2 http://www.bzip.org/index.html LibTomCrypt LibTomCrypt is licensed under DUAL licensing terms. https://github.com/libtom/libtomcrypt/blob/develop/LICENSE Western Digital Hard Disk Drive OEM Specification...

  • Page 49: Part 2. Interface Specification

    Part 2. Interface Specification Western Digital Hard Disk Drive OEM Specification...

  • Page 50: Terminology

    The minimum time limit is 6.5 second. When the specified time limit is shorter than 6.5 second, the issued command is aborted. Western Digital Hard Disk Drive OEM Specification...

  • Page 51: Table 27 Alternate Status Register

    The cylinder number may be from zero to the number of cylinders minus one. When 48-bit addressing commands are used, the “most recently written” content contains LBA Bits 16-23, and the “previous content” contains Bits 40-47. The 48-bit Address feature set is described in 9.12. Western Digital Hard Disk Drive OEM Specification...

  • Page 52: Table 28 Device Control Register

    The head number may be from zero to the number of heads minus one. In LBA mode, HS3 through HS0 contain bits 24-27 of the LBA. At command completion, these bits are updated to reflect the current LBA bits 24-27. Western Digital Hard Disk Drive OEM Specification...

  • Page 53: Table 30 Error Register

    In LBA mode, this register contains Bits 0-7. At the end of the command, this register is updated to reflect the current LBA Bits 0-7. When 48-bit commands are used, the “most recently written” content contains LBA Bits 0-7, and the “previous content” contains Bits 24-31. Western Digital Hard Disk Drive OEM Specification...

  • Page 54: Table 31 Status Register

    Error. ERR=1 indicates that an error occurred during execution of the previous command. The Error Register should be read to determine the error type. The device sets ERR=0 when the next command is received from the host. Western Digital Hard Disk Drive OEM Specification...

  • Page 55: Table 32 Reset Response

    Idle when Power-Up in Standby feature set is disabled. Standby when Power-Up in Standby feature set is enabled. (*6) Spinning up when Power-Up in Standby feature set is disabled. Standby when Power-Up in Standby feature set is enabled. Western Digital Hard Disk Drive OEM Specification...

  • Page 56: Table 33 Default Register Values

    Diagnostic and Reset Considerations In each case of Power on Reset, COMRESET, Soft reset, and EXECUTE DEVICE DIAGNOSTIC command, the device is diagnosed. An Error register is set as shown in Table 34. Western Digital Hard Disk Drive OEM Specification...

  • Page 57: Sector Addressing Mode

    On LBA addressing mode, the LBA value is set to the following register.  Device/Head 27-24 bits  Cylinder High 23-16 bits  Cylinder Low 15- 8 bits  Sector Number 7- 0 bits Western Digital Hard Disk Drive OEM Specification...

  • Page 58: Power Management Feature

    The heads are unloaded on the ramp, and the spindle is rotated at the 85-90% of the full speed. 9.4.1.4 Standby Mode The device interface is capable of accepting commands, but as the media may not immediately accessible, there is a delay while waiting for the spindle to reach operating speed. Western Digital Hard Disk Drive OEM Specification...

  • Page 59: Table 35 Power Conditions

    Idle Active Standby Inactive sleep Inactive Table 35 Power conditions Ready (RDY) is not a power condition. A device may post ready at the interface even though the media may not be accessible. Western Digital Hard Disk Drive OEM Specification...

  • Page 60: Smart Function

    The device performs the entire read scan with reallocation for the marginal sectors to prevent the user data lost. If interrupted by the host during the read scanning, the device services the host command. Western Digital Hard Disk Drive OEM Specification...

  • Page 61: Error Log

    If interrupted by the host during the self-tests, the device services the host command. If the device receives a firmware modification, all self-test log data is discarded. Western Digital Hard Disk Drive OEM Specification...

  • Page 62: Security Mode Feature Set

    The system manufacturer/dealer who intends to enable the device lock function for the end users, must set the master password even if only single level password protection is required. Western Digital Hard Disk Drive OEM Specification...

  • Page 63: Figure 11 Initial Setting

    (ref.) < Setting Password > < No Setting Password > Set Password with User Password Normal Operation Normal Operation Power off Power off Device locked mode Device locked mode Figure 11 Initial Setting Western Digital Hard Disk Drive OEM Specification...

  • Page 64: Figure 12 Usual Operation

    Normal operation : All commands are available Freeze Lock command Enter Device Frozen mode Normal Operation except Set Password, Disable Password, Erase Unit, Unlock commands. (*1) Refer to 9.6.5 on the page.52 Figure 12 Usual Operation Western Digital Hard Disk Drive OEM Specification...

  • Page 65: Figure 13 Password Lost

    Identify Device information is set, and then SECURITY ERASE UNIT command and SECURITY UNLOCK command are aborted until a hard reset or a power off. The count and EXPIRE bit are cleared after a power on reset or a hard reset. Western Digital Hard Disk Drive OEM Specification...

  • Page 66: Table 36 Command Table For Device Lock Operation -1

    Executable Executable Executable Request Sense Data Ext Executable Executable Executable Sanitize Freeze Lock Ext Command aborted Executable Executable Sanitize Status Ext Executable Executable Executable Table 36 Command table for device lock operation -1 Western Digital Hard Disk Drive OEM Specification...

  • Page 67: Table 37 Command Table For Device Lock Operation -2

    Trusted Send DMA Command aborted Executable Executable Write Buffer Executable Executable Executable Write DMA Command aborted Executable Executable Write DMA Ext Command aborted Executable Executable Table 37 Command table for device lock operation -2 Western Digital Hard Disk Drive OEM Specification...

  • Page 68: Table 38 Command Table For Device Lock Operation -3

    Executable Executable Write Stream DMA Ext Command aborted Executable Executable Write Stream Ext Command aborted Executable Executable Write Uncorrectable Ext Command aborted Executable Executable Table 38 Command table for device lock operation -3 Western Digital Hard Disk Drive OEM Specification...

  • Page 69: Host Protected Area Feature

    6.2GB device does. Conventional usage without system software support Since the HDD works as 6.2GB device, there is no special care to use this device for normal use. Western Digital Hard Disk Drive OEM Specification...

  • Page 70: Security Extensions

    When this command is accepted the device is in the Set_Max_Frozen mode. The IDENTIFY DEVICE response word 83, bit 8 indicates that this extension is supported if set, and word 86, bit 8 indicate the Set Max security extension enabled if set. Western Digital Hard Disk Drive OEM Specification...

  • Page 71: Write Cache Function

    When a read operation for a sector failed once then recovered at the specific ERP step, this sector of data is reallocated automatically. A media verification sequence may be run prior to the relocation according to the pre-defined conditions. Western Digital Hard Disk Drive OEM Specification...

  • Page 72: Power-Up In Standby Feature Set

    Native Max Address Ext command. If the native maximum address is equal to or less than 268,435,455, a Read Native Max Address shall return the native maximum address. If the native maximum address is greater than 268,435,455, a Read Native Max Address shall return a value of 268,435,455. Western Digital Hard Disk Drive OEM Specification...

  • Page 73: Streaming Feature Set

    The Flush to Disk bit in the Write Stream command specifies that all data for the specified stream shall be flushed to the media before posting command completion. If a host requests flushes at times other than the end of each Western Digital Hard Disk Drive OEM Specification...
  • Page 74 This mechanism allows the host to schedule error recovery and defect management for content critical data. Western Digital Hard Disk Drive OEM Specification...

  • Page 75: Sata Bist (Built-In Self-Test)

    L – Far End Retimed Loopback T – Far End Transmit only A – ALIGN Bypass (valid only in combination with T bit) S – Bypass Scrambling (valid only in combination with T bit) Western Digital Hard Disk Drive OEM Specification...

  • Page 76: Sata Interface Power Management

    Power dissipation in this Slumber state shall be measured or calculated to be less than the PHY Ready state, and less than the Partial state. The requirement for a "not-to-exceed" power dissipation limit in the Slumber interface power management state is classified as vendor specific. Western Digital Hard Disk Drive OEM Specification...

  • Page 77: Software Setting Preservation

    SANITIZE FREEZE LOCK MODE: The Sanitize Frozen state established by the SANITIZE FREEZE LOCK EXT command. There are several optional features defined in Serial ATA Revision 3.2. The following shows whether these features are supported or not. Western Digital Hard Disk Drive OEM Specification...

  • Page 78: Serial Ata Optional Features

    When the device receives a READ LOG EXT command for log page 11h and bit 0 in the Features register is set to one, the device shall return the current counter values for the command and then reset all Phy event counter values. Western Digital Hard Disk Drive OEM Specification...

  • Page 79: Table 39 Phy Event Counter Identifiers

    Optional Not supported (R_ERR response for Host-to-Device Non-data FIS due to CRC errors) 013h Optional Not supported (R_ERR response for Host-to-Device Non-data FIS due to non-CRC errors) Table 39 Phy Event Counter Identifiers Western Digital Hard Disk Drive OEM Specification...
  • Page 80 PHYNRDY state, including but not limited to asynchronous signal events, power management events , and COMRESET events. If interface power management is enabled, then this counter may be incremented due to interface power management transitions. Western Digital Hard Disk Drive OEM Specification...
  • Page 81 9.17.3.2.1.12 Identifier 00Dh The counter with identifier 00Dh returns the number of received Host-to-Device FISes of all types (Data and non-Data) to which the devices responded with R_ERR for reasons other than CRC error. Western Digital Hard Disk Drive OEM Specification...

  • Page 82: Table 40 Read Log Ext Log Page 11H Data Structure Definition

    The sum of all 512 bytes of the data structure will be zero when the checksum is correct. Reserved All reserved fields shall be cleared to zero Western Digital Hard Disk Drive OEM Specification...

  • Page 83: Table 41 Ncq Non-Data - Command Definition

    Subcommand Specific (TTAG) is the selected queue TAG. This allows the host to select the specific outstanding queued command to be managed. The error and normal returns for this command are subcommand specific. Western Digital Hard Disk Drive OEM Specification...
  • Page 84 Register Device to Host FIS (see Table 107) with the ERR bit set to one and the BSY bit cleared to zero in the Status field, the ATA error code in the Error field. Western Digital Hard Disk Drive OEM Specification...

  • Page 85: Table 43 Ncq Non-Data Log (12H) Data Structure Definition

    Abort Type parameter of the Abort NCQ Queue command. If Supports Abort Non-Streaming is cleared to zero, then the device does not support the value of Abort Non-Streaming for the Abort Type parameter of the Abort NCQ Queue command. Western Digital Hard Disk Drive OEM Specification...
  • Page 86 If Supports Set Features is set to one, then the device supports the value of Set Features for the SET FEATURES subcommand of the NCQ NON-DATA command. If the Set Features bit is cleared to zero, then the device does not support the SET FEATURES subcommand of the NCQ NON-DATA command. Western Digital Hard Disk Drive OEM Specification...

  • Page 87: Table 44 Rebuild Assist Log (15H) Data Structure Definition

    The Disabled Physical Element Mask field indicates that bits in the Disabled Physical Elements field are supported. The device shall ignore any attempt by the host to change the value of this field when writing to the Rebuild Assist log. Western Digital Hard Disk Drive OEM Specification...

  • Page 88: Power Disable

    When deploying drives in systems that do not support this feature, it is recommended that you select part numbers without this option. Western Digital Hard Disk Drive OEM Specification...

  • Page 89: Table 45 Sct Log Page And Direction

    – must complete before another SCT command is issued. In most cases, however, ATA read/write commands may be inserted in between SCT data transfers, that is, between complete SMART Read Log/Write Log commands. Furthermore, any reset (power-on, software or hardware) will cause the SCT command to be aborted. Western Digital Hard Disk Drive OEM Specification...
  • Page 90 If an SCT command is executing, any reset including Soft Reset, Hard Reset, COMRESET, and Power-On Reset all cause the command to be terminated. This could result in partial command execution or data loss. There is no indication once the drive becomes ready that the previous command was terminated. Western Digital Hard Disk Drive OEM Specification...

  • Page 91: Table 47 Output Registers Of Sct Command Using Smart

    (LSB) transfer (LSB) Cylinder High Number of sectors to Cylinder High Number of sectors to transfer (MSB) transfer (MSB) Device/Head Device/Head Status Status Table 48 Input Registers of SCT Command Using SMART Western Digital Hard Disk Drive OEM Specification...

  • Page 92: Table 49 Input Registers Of Sct Command Using Write Log Ext

    HOB=0 Number of sectors (MSB) HOB=1 Reserved HOB=1 Reserved Device/Head Device/Head Status Status All ATA “previous” registers are reserved in Write Log Ext responses. Table 50 Output Registers of SCT Command Using Write Log Ext Western Digital Hard Disk Drive OEM Specification...

  • Page 93: Table 51 Key Sector Format

    Long Sector Access (Not Supported) 0002h Write SCT Write Same 0003h Error Recovery Control 0004h Features Control 0005h Read SCT Data Table 0006h-BFFFh Reserved C000h-FFFFh Vendor Specific Table 52 SCT Action Code List Western Digital Hard Disk Drive OEM Specification...

  • Page 94: Table 53 Extended Status Code

    Overlay switch failure in Long Sector Access command C004h Read Long failure C005h Write Long failure C006h Write Cache enable failure C007h-FFEFh Vendor Specific FFF0h-FFFEh Reserved FFFFh SCT command executing in background Table 53 Extended Status Code Western Digital Hard Disk Drive OEM Specification...

  • Page 95: Table 54 Input Registers Of Sct Data Transfer Using Smart

    LBA Low Current Previous Reserved LBA Mid Current Previous LBA High Current Reserved Previous Reserved Device/Head - D - Command 2Fh(Read)/3Fh(Write) Table 55 Input Registers of SCT Data Transfer using Read/Write Log Ext Western Digital Hard Disk Drive OEM Specification...

  • Page 96: Table 56 Input Registers Of Sct Status Request Using Smart

    Previous LBA Low Current Previous Reserved LBA Mid Current Previous LBA High Current Reserved Previous Reserved Device/Head - D - Command Table 57 Input Registers of SCT Status Request Using Read Log Ext Western Digital Hard Disk Drive OEM Specification...

  • Page 97: Table 58 Data Format Of Sct Status Response -1

    Maximum HDA temperature in degrees Celsius seen for the life of the drive. This is a 2’s complement number. 80h indicates that this value is invalid. Table 58 Data Format of SCT Status Response -1 Western Digital Hard Disk Drive OEM Specification...

  • Page 98: Table 59 Data Format Of Sct Status Response -2

    Min Op Limit. See table 93 for information about this Interval. 479:214 Byte[275] Reserved 511:480 Byte[32] Vendor Specific Table 59 Data Format of SCT Status Response -2 Western Digital Hard Disk Drive OEM Specification...

  • Page 99: Table 60 Sct Write Same (Inputs)

    “Segment Initialized Flag” (bit 0 of the Status Flags in the SCT Status. See Table 58) shall be set to 1. A write to any user addressable sector on the drive (except Western Digital Hard Disk Drive OEM Specification...

  • Page 100: Table 62 Output Registers Of Sct Write Same (Error)

    Table 62 Output Registers of SCT Write Same (Error) Possible Extended Status Code for Blocking Operation (Function code = 0101h, 0102h) 0017h Blocking SCT Write Same command was terminated because of unrecoverable error Western Digital Hard Disk Drive OEM Specification...

  • Page 101: Table 63 Error Recovery Control Command (Inputs)

    The EXTENDED STATUS CODE field shall be cleared during the processing of the next non-SCT command by the device, except if the command being processed is a read of the NCQ Command Error log. Western Digital Hard Disk Drive OEM Specification...

  • Page 102: Table 65 Feature Control Command (Inputs)

    If Function Code was 0003h, then this is the MSB of Option Flags. Otherwise, this field is reserved. Cylinder Low reserved Cylinder High reserved Device/Head reserved Status Table 66 Feature Control Command (Outputs) Western Digital Hard Disk Drive OEM Specification...

  • Page 103: Table 67 Feature Code List

    80h. The Sample Period, Max Op Limit, Over Limit, Min Op Limit and Under Limit values are preserved. Default value is 0001h. 0004h-CFFFh Reserved D000h-FFFFh Vendor Specific Table 67 Feature Code List Western Digital Hard Disk Drive OEM Specification...

  • Page 104: Table 68 Sct Data Table Command (Inputs)

    Table 69 SCT Data Table Command (Outputs) Table ID Description 0000h Invalid 0001h Reserved 0002h HDA Temperature History Table (in absolute degree C). See Table 72 0003h-CFFFh Reserved D000h-FFFFh Vendor Specific Table 70 Table ID Western Digital Hard Disk Drive OEM Specification...

  • Page 105: Table 71 Data Format Of Hda Absolute Temperature History Table -1

    If the host changes the logging interval using the volatile option, the interval between entries in the queue may change between power cycles with no indication to the host. Byte Reserved (Queue Size +34) [512-Queue Size-34] Western Digital Hard Disk Drive OEM Specification...

  • Page 106: Table 72 Data Format Of Hda Absolute Temperature History Table -2

    Interval, the Queue Index shall be set to zero and the first queue location shall be set to the current Absolute HDA Temperature value. All remaining queue locations are set to 80h. Table 72 Data Format of HDA Absolute Temperature History Table -2 Western Digital Hard Disk Drive OEM Specification...

  • Page 107: Table 73 Extended Power Conditions Subcommands

    Each of these power conditions has a set of current, saved and default settings. Default settings are not modifiable. Default and saved settings persist across power cycles. The current settings do not persist across power cycles. Western Digital Hard Disk Drive OEM Specification...

  • Page 108: Power Condition Timers

    DEVICE data word 120 bit 7 is set to one, then the device shall disable the EPC feature set. During background activities, all EPC timers are stopped. On completion of the activity, any stopped EPC timers be continued from w here they w ere paused. Western Digital Hard Disk Drive OEM Specification...

  • Page 109: Sanitize Device Feature Set

    Request Sense Data Ext command; d) SANITIZE STATUS EXT command; e) SMART READ LOG command requesting log address E0h; READ LOG EXT command requesting one of the following log addresses: A) E0h; Western Digital Hard Disk Drive OEM Specification...

  • Page 110: Sanitize Device Feature

    The following commands are supported for this feature. Command COMMAND field value FEATURE field value (‘B4’h) (‘0000’h) SANITIZE STATUS EXT (‘B4’h) (‘0011’h) CRYPTO SCRAMBLE EXT (‘B4’h) (‘0014’h) OVERWRITE EXT (‘B4’h) (‘0020’h) SANITIZE FREEZE LOCK EXT Western Digital Hard Disk Drive OEM Specification...

  • Page 111: Sanitize Device State Machine

    Transition SD0:SD1: If the device processes a SANITIZE FREEZE LOCK EXT command, then the device transitions to the SD1: Sanitize Frozen state. Transition SD0:SD2: If the device successfully processes a supported sanitize operation command, then the device transitions to the SD2: Sanitize Operation state. Western Digital Hard Disk Drive OEM Specification...

  • Page 112: Figure 14 Sanitize Device State Machines

    SANITIZE STATUS EXT command then the device transitions to the SD0: Sanitize Idle state. Transition SD4:SD2: If the device successfully processes a supported Sanitize operation command, then the device transitions to the SD2: Sanitize Operation state. Western Digital Hard Disk Drive OEM Specification...

  • Page 113: Trusted Computing Group Feature Set

    December  [SP800-57] Recommendation for Key Management – Part I General (Revision 3), NIST, 2012 July  [SP800-90A] Recommendation for Random Number Generation Using Deterministic Random Bit Generators, (Revision 1), NIST, 2015 November Western Digital Hard Disk Drive OEM Specification...

  • Page 114: Implementation Exceptions

    The TPer replies with SP_BUSY for requests beyond 1 session. e. TCG Life Cycle Model by Activate Method and Revert Method was implemented by according to Opal SSC Western Digital Hard Disk Drive OEM Specification...

  • Page 115: Table 75 Vendor Specific Data For Level 0 Discovery

    DRBG state is kept private to ensure that the keys that are generated by the device are unpredictable. The entropy source of the DRBG is servo subsystem noise. It has been verified to NIST SP800-90B. 9.21.4.4 Key Wrap Western Digital Hard Disk Drive OEM Specification...

  • Page 116: Table 76 Wdc Default Values For 'Admin Sp' C_Pin & 'Locking Sp' C_Pin

    (The “Tries” value is reset to 0 after successful attempt or a power cycle). Try Limit Tries Persistence MSID Table 76 WDC Default Values for ‘Admin SP’ C_PIN & ‘Locking SP’ C_PIN Western Digital Hard Disk Drive OEM Specification...

  • Page 117: Table 77 Wdc Implementation Of K_Aes_256 Table

    Locking Info Table / Get Locking Table / Next 10. DataStore / Get 11. DataStore / Set 12. ThisSP / Random Row Number … … Table 78 WDC Implementation of ‘Locking SP’ Access Control Table Western Digital Hard Disk Drive OEM Specification...

  • Page 118: Table 79 Wdc Implementation Of 'Locking Info' Table

    Table 80 WDC Implementation of ‘Locking SP’ Locking Table In the ActiveKey column, the Enterprise SSC allows for byte 3 to be defined as either 05 or 06. The WDC implementation uses 06. Western Digital Hard Disk Drive OEM Specification...

  • Page 119: Table 81 Ports Functionality

    Table 81 Ports Functionality Name LockOnReset PortLocked 00 01 00 02 00 01 00 02 Firmware_Dload_Port Null FALSE 00 01 00 02 00 01 00 01 Diagnostic_Port PowerCycle TRUE Table 82 Ports Table Western Digital Hard Disk Drive OEM Specification...

  • Page 120: Table 83 Modified 'Admin Sp' Ace Table

    00 00 00 06 00 00 02 01 None Null Null 00 00 02 01 (SID Authority Authority Object (Get) (SID) (SID) object) Table 84 Modified ‘Admin SP’ Access Control Table (part 1 of 2) Western Digital Hard Disk Drive OEM Specification...

  • Page 121: Table 85 Modified 'Admin Sp' Access Control Table (Part 2 Of 2)

    The last 5 and 6 line of the table are the additional entries required to implement the firmware download port. The last 2 lines of the table are the additional entries to implement the Life Cycle model for between TCG Enterprise mode and BDE mode. Western Digital Hard Disk Drive OEM Specification...

  • Page 122: Msid

    The PSID number is used to provide evidence of physical presence when required by the product’s security protocols (such as for the TCG-Revert operation), and is included on all WDC drives to enhance the product’s security. Western Digital Hard Disk Drive OEM Specification...

  • Page 123: Table 86 Command Table For Tcg Enterprise Device Lock Operation -1

    *1: Although the band is unlocked, command is aborted when any band is locked. *2: This is dependency in state of FW DLOAD Port Locked. Command is aborted when port is locked. Table 86 Command table for TCG Enterprise device lock operation -1 Western Digital Hard Disk Drive OEM Specification...

  • Page 124: Table 87 Command Table For Tcg Enterprise Device Lock Operation -2

    Off-Line Standby Executable Executable Standby Immediate Executable Executable *1: Although the band is unlocked, command is aborted when any band is locked. Table 87 Command table for TCG Enterprise device lock operation -2 Western Digital Hard Disk Drive OEM Specification...

  • Page 125: Table 88 Command Table For Tcg Enterprise Device Lock Operation -3

    Command aborted Executable Write Stream DMA Ext Command aborted Executable Write Stream Ext Command aborted Executable Write Uncorrectable Ext Command aborted Executable Table 88 Command table for TCG Enterprise device lock operation -3 Western Digital Hard Disk Drive OEM Specification...

  • Page 126: Table 89 Tcg Enterprise Ssc Commands Behavior -1

    N/A - Not related to template for SSC. It is a random number bands/data on drive. bands/data on drive. generator in software. Authentication Authentication required. required. Table 91 TCG Enterprise SSC Commands Behavior -3 Western Digital Hard Disk Drive OEM Specification...

  • Page 127: Table 92 Tcg Enterprise Ssc Commands Behavior -4

    Note: Command is aborted at locked of ATA Security prohibited Feature, and command is received at unlocked ATA Security Feature but Activation is prohibited Table 94 TCG Enterprise SSC Commands Behavior -6 Western Digital Hard Disk Drive OEM Specification...

  • Page 128: Error Codes

    The values to set to Identify Device information are modified corresponding to ATA security s tatus and TCG Life Cycle model. 9.21.17 Customer Specific Requirements This specification does not cover customer-specific requirements. Customer-specific requirements are submitted by the customer to WDC in the form of a customer-specification document. Western Digital Hard Disk Drive OEM Specification...

  • Page 129: Pio Data Out Commands

     Security Erase Unit  Security Set Password  Security Unlock  Set Max Set Password command  Set Max Unlock command  SMART Write Log Sector  Trusted Send  Write Buffer Western Digital Hard Disk Drive OEM Specification...

  • Page 130: Non-Data Commands

     SMART Enable Operations  SMART Execute Off-line Data Collection  SMART Return Status  SMART Save Attribute Values  SMART Enable/Disable Automatic Off-Line  Standby  Standby Immediate  Write Uncorrectable Ext Western Digital Hard Disk Drive OEM Specification...

  • Page 131: Dma Data In Commands And Dma Data Out Commands

    The device may not process all high priority requests before satisfying normal priority requests. Western Digital Hard Disk Drive OEM Specification...

  • Page 132: Table 95 Command Set

    Read Sector(s) Read Sector(s) Ext Read Stream DMA Ext Read Stream Ext Read Verify Sector(s) Read Verify Sector(s) Read Verify Sector(s) Ext Recalibrate Sanitize Freeze Lock Ext Sanitize Status Ext Table 95 Command Set Western Digital Hard Disk Drive OEM Specification...

  • Page 133: Table 96 Command Set -Continued

    Write DMA Write DMA Ext Write DMA FUA Ext Write FPDMA Queued Write Log Ext Write Log DMA Ext Write Multiple Write Multiple Ext Write Multiple FUA Ext Table 96 Command Set –Continued– Western Digital Hard Disk Drive OEM Specification...

  • Page 134: Table 97 Command Set -Continued

    PIO data IN command PIO data OUT command Non data command DMA command DMA Queued command Vendor specific command Table 97 Command Set –Continued– Commands marked * are alternate command codes for previous defined commands. Western Digital Hard Disk Drive OEM Specification...

  • Page 135: Table 98 Command Set (Subcommand)

    Table 95 Command Set on the page 118 and Table 96 Command Set –Continued– on the page 119 show the commands that are supported by the device. Table 98 Command Set (Subcommand) on the page 121 shows the sub-commands they are supported by each command or feature. Western Digital Hard Disk Drive OEM Specification...
  • Page 136 Please refer to ATA interface specifications about other commands’ descriptions which are not described in this SATA interface specification. However, be careful that Serial ATA Device/Head register bit -4 (d) is different from that of Parallel ATA. In Serial ATA, Device/Head register bit-4 is reserved for all commands. Western Digital Hard Disk Drive OEM Specification...

  • Page 137: Table 99 Check Power Mode Command (E5H/98H)

    If the Extended Power Conditions feature set is enabled, the command returns power condition. idle_a condition is 81h, idle_b condition is 82h, idle_c condition is 83h, standby_y condition is 01h, standby_z condition is 00h. Western Digital Hard Disk Drive OEM Specification...

  • Page 138: Table 100 Configure Stream Command (51H)

     The device does not support the Streaming Feature Set.  A/R is cleared to zero and the Feature field contains a Stream ID that has not been sent in a previous CONFIGURE STREAM command. Western Digital Hard Disk Drive OEM Specification...
  • Page 139 CCTL is set to the minimum value. Actual minimum CCTL value is described in the “Deviations from Standard” section. Sector Count Current Allocation Unit Size In Sectors (7:0) Sector Count Previous Allocation Unit Size In Sectors (15:8) Western Digital Hard Disk Drive OEM Specification...

  • Page 140: Table 101 Device Configuration Overlay Command (B1H)

    The table below shows these Features register values. Value Command DEVICE CONFIGURATION RESTORE DEVICE CONFIGURATION FREEZE LOCK DEVICE CONFIGURATION IDENTIFY DEVICE CONFIGURATION SET other Reserved Table 102 Device Configuration Overlay Features register values Western Digital Hard Disk Drive OEM Specification...

  • Page 141: Device Configuration Restore (Subcommand C0H)

    When device is enabled the Security feature set, if user attempts to disable that feature, device abort that command and return error reason code as below. Cylinder high = word 7 is invalid Cylinder low = bit 8-15 are valid Sector Number = bit 3 is invalid Western Digital Hard Disk Drive OEM Specification...

  • Page 142: Table 103 Device Configuration Overlay Data Structure

    1 = Support for WRITE UNCORRECTABLE is allowed 12-10 Reserved 1 = Extended Power Conditions feature set supported Reserved 22-254 Reserved Integrity word <Note .> 15-8 Checksum Signature (A5h) Table 103 Device Configuration Overlay Data structure Western Digital Hard Disk Drive OEM Specification...

  • Page 143: Table 104 Dco Error Information Definition

    User attempt to disable any feature enabled Device is now SET MAX Locked or Frozen mode Protected area is now established DCO is not supported Subcommand code is invalid other reason Table 104 DCO error information definition Western Digital Hard Disk Drive OEM Specification...

  • Page 144: Table 105 Download Microcode Command (92H)

    The Download and save microcode subcommand(07h) transfers the updated microcode data in one DOWNLOAD MICROCODE command. After the updated microcode data has been downloaded: the device shall save the updated microcode data; the device shall activate the updated microcode data; and Western Digital Hard Disk Drive OEM Specification...
  • Page 145 The processing of commands other than the DOWNLOAD MICROCODE command shall not affect any: updated microcode; and saved microcode. The Activate downloaded microcode subcommand(0Fh) shall activate deferred microcode data that had been previously downloaded and saved by the Download with offsets and save microcode subcommand. Western Digital Hard Disk Drive OEM Specification...

  • Page 146: Table 106 Download Microcode Dma Command (93H)

    The Download and save microcode subcommand(07h) transfers the updated microcode data in one DOWNLOAD MICROCODE command. After the updated microcode data has been downloaded: the device shall save the updated microcode data; Western Digital Hard Disk Drive OEM Specification...
  • Page 147 The processing of commands other than the DOWNLOAD MICROCODE command shall not affect any: updated microcode; and saved microcode. The Activate downloaded microcode subcommand(0Fh) shall activate deferred microcode data that had been previously downloaded and saved by the Download with offsets and save microcode subcommand. Western Digital Hard Disk Drive OEM Specification...

  • Page 148: Table 107 Execute Device Diagnostic Command (90H)

    Error Register. The normal Error Register bit definitions do not apply to this command. Instead, the register contains a diagnostic code. See Table 34 Diagnostic Codes on the page 42 for its definition. Western Digital Hard Disk Drive OEM Specification...

  • Page 149: Table 108 Flush Cache Command (E7H)

    Table 108 Flush Cache Command (E7h) This command causes the device to complete writing data from its cache. The device returns good status after data in the write cache is written to disk media. Western Digital Hard Disk Drive OEM Specification...

  • Page 150: Table 109 Flush Cache Ext Command (Eah)

    Table 109 Flush Cache Ext Command (EAh) This command causes the device to complete writing data from its cache. The device returns good status after data in the write cache is written to disk media. Western Digital Hard Disk Drive OEM Specification...

  • Page 151: Table 110 Format Track Command (50H)

    In LBA mode, this register specifies current LBA address bits 24-27. (L=1) Error The Error Register. An Abort error (ABT=1) will be returned when LBA out of range. In LBA mode, this command formats a single logical track including the specified LBA. Western Digital Hard Disk Drive OEM Specification...

  • Page 152: Table 111 Format Unit Command (F7H)

    All values in Feature register are reserved, and any values other than 11h should not be put into Feature register. This command does not request to data transfer. Command execution time depends on drive capacity. To determine command timeout value, Word 89 of Identify Device data should be referred. Western Digital Hard Disk Drive OEM Specification...

  • Page 153: Table 112 Identify Device Command (Ech)

    Table 112 Identify Device Command (ECh) The Identify Device command requests the device to transfer configuration information to the host. The device will transfer a sector to the host containing the information described in the following pages. Western Digital Hard Disk Drive OEM Specification...

  • Page 154: Table 113 Identify Device Information

    Shall be set to one 13-1 (=0) : Reserved for the Trusted Computing Group 0 (=0 or 1) : 0=Trusted Computing feature set is not supported 1=Trusted Computing feature set is supported Table 113 Identify device information Western Digital Hard Disk Drive OEM Specification...

  • Page 155: Table 114 Identify Device Information -Continued

    (support mode 0,1 and 2) 0003H Flow Control PIO Transfer Modes Supported 15-8 (=0) Reserved 7-0 (=3) Advanced PIO Transfer Modes Supported ‘11’ = PIO Mode 3 and 4 Supported Table 114 Identify device information -Continued- Western Digital Hard Disk Drive OEM Specification...

  • Page 156: Table 115 Identify Device Information -Continued

    Current negotiated SATA speed Gen-3 speed of 6.0Gbps (=010) Current negotiated SATA speed Gen-2 speed of 3.0Gbps (=001) Current negotiated SATA speed Gen-1 speed of 1.5Gbps 0(=0) Reserved Table 115 Identify device information -Continued- Western Digital Hard Disk Drive OEM Specification...

  • Page 157: Table 116 Identify Device Information -Continued

    4 (=0) PACKET Command feature set 3 (=1) Power management feature set 2 (=0) Removable feature set 1 (=1) Security feature set 0 (=1) SMART feature Set Table 116 Identify device information -Continued- Western Digital Hard Disk Drive OEM Specification...

  • Page 158: Table 117 Identify Device Information -Continued

    DEVICE RESET command SERVICE interrupt RELEASE interrupt LOOK AHEAD WRITE CACHE PACKET Command feature set Power management feature set Removable media feature set Security feature set SMART feature set Table 117 Identify device information -Continued- Western Digital Hard Disk Drive OEM Specification...

  • Page 159: Table 118 Identify Device Information -Continued

    3 (=0) Media Card Pass Through Command feature set enabled 2 (=0) Media serial number is valid 1 (=1) SMART self-test supported 0 (=1) SMART error logging supported Table 118 Identify device information -Continued- Western Digital Hard Disk Drive OEM Specification...

  • Page 160: Table 119 Identify Device Information -Continued

    Streaming Transfer Time = (word 96) * (words(99:98) / 65536) If the Streaming Feature set is not supported by the device, the content of word 96 shall be zero. Table 119 Identify device information -Continued- Western Digital Hard Disk Drive OEM Specification...

  • Page 161: Table 120 Identify Device Information -Continued

    1=The segmented feature for download microcode is supported. 1=The READ/ WRITE LOG DMA EXT commands are supported. 1=Write Uncorrectable is supported. 0=Write-Read-Verify feature set is not enabled Reserved Table 120 Identify device information -Continued- Western Digital Hard Disk Drive OEM Specification...

  • Page 162: Table 121 Identify Device Information -Continued

    0= Not Support 0 SCT Feature Set (includes SCT status) 1= Support Table 121 Identify device information -Continued- Note. The ‘*’ mark in ‘Content’ field indicates the use of those parameters are vendor specific. Western Digital Hard Disk Drive OEM Specification...

  • Page 163: Table 122 Identify Device Information -Continued

    3 236-254 0000H Reserved xxA5H 15-8 Checksum. This value is the two's complement of the sum of all bytes in byte 0 through 510 7-0 (A5) Signature Table 122 Identify device information -Continued- Western Digital Hard Disk Drive OEM Specification...

  • Page 164: Table 123 Idle Command (E3H/97H)

    When the automatic power down sequence is enabled, the drive will enter Standby mode automatically if the timeout interval expires with no drive access from the host. The timeout interval will be reinitialized if there is a drive access before the timeout interval expires. Western Digital Hard Disk Drive OEM Specification...

  • Page 165: Table 124 Idle Immediate Command (E1H/95H)

    The device is spun up to operating speed. If the device is already spinning, the spin up sequence is not executed. During Idle mode the device is spinning and ready to respond to host commands immediately. The Idle Immediate command will not affect to auto power down timeout parameter. Western Digital Hard Disk Drive OEM Specification...

  • Page 166: Table 125 Initialize Device Parameters Command (91H)

    The following conditions needs to be satisfied to avoid invalid number of cylinders beyond FFFFh. (Total number of user addressable sectors)/((Sector Count)*(H+1)) = < FFFFh The total number of user addressable sectors is described in Identify Device command. Western Digital Hard Disk Drive OEM Specification...

  • Page 167: Table 126 Ncq Non-Data Command (63H)

    The output from the host to the device, the command acceptance outputs for this command, the normal outputs for this command and the error outputs for this command are subcommand specific . See 11.15.1 Abort NCQ Queue Subcommand (0h) and 11.15.2 Deadline handling Subcommand (1h). Western Digital Hard Disk Drive OEM Specification...

  • Page 168: Table 127 Abort Ncq Queue Subcommand (0H)

    TTAG field equals the value of the TAG field; c) the value of the TTAG field is an invalid TAG number; or d) an unsupported Abort type parameter is specified. Western Digital Hard Disk Drive OEM Specification...

  • Page 169: Table 128 Abort Type Field

    The device attempts to abort all outstanding NCQ Non-Streaming commands. All NCQ Streaming commands are unaffected. Abort Selected The device attempts to abort the outstanding NCQ command associated with the tag represented in TTAG field. Table 128 Abort Type Field Western Digital Hard Disk Drive OEM Specification...

  • Page 170: Table 129 Deadline Handling Subcommand (1H)

    The value of the TTAG field equals the value of the TAG field; c) The value of the TTAG field is an invalid TAG number; or d) An unsupported Abort type parameter is specified. Western Digital Hard Disk Drive OEM Specification...
  • Page 171 Cylinder Low Previous Cylinder High Current Cylinder High Previous Device/Head Input Parameters From The Device Sector Number (HOB=0) Sector Number (HOB=1) Cylinder Low (HOB=0) Cylinder Low (HOB=1) Cylinder High (HOB=0) Cylinder High (HOB=1) Western Digital Hard Disk Drive OEM Specification...

  • Page 172: Table 130 Set Features Subcommand (5H)

    Register Device to Host FIS (see Table 130) with the ERR bit set to one and the BSY bit cleared to zero in the Status field, the ATA error code in the Error field. Western Digital Hard Disk Drive OEM Specification...
  • Page 173 Cylinder High Current Contents of SET FEATURES LBA(23:16) Cylinder High Previous Device/Head Input Parameters From The Device Sector Number (HOB=0) Sector Number (HOB=1) Cylinder Low (HOB=0) Cylinder Low (HOB=1) Cylinder High (HOB=0) Cylinder High (HOB=1) Western Digital Hard Disk Drive OEM Specification...

  • Page 174: Table 131 Receive Fpdma Queued Command (65H)

    The output from the host to the device, the command acceptance outputs for this command, the normal outputs for this command and the error outputs for this command are subcommand specific. See 11.16.1 READ LOG DMA EXT (1h). Western Digital Hard Disk Drive OEM Specification...

  • Page 175: Table 133 Read Log Dma Ext Subcommand (1H)

    Cylinder Low Current Contents of READ LOG DMA EXT LBA(15:8) field Cylinder Low Previous Contents of READ LOG DMA EXT LBA(39:32) field Cylinder High Current Contents of READ LOG DMA EXT LBA(23:16) field Western Digital Hard Disk Drive OEM Specification...
  • Page 176 Cylinder High Previous Contents of READ LOG DMA EXT LBA(47:40) field Device/Head Input Parameters From The Device Sector Number (HOB=0) Sector Number (HOB=1) Cylinder Low (HOB=0) Cylinder Low (HOB=1) Cylinder High (HOB=0) Cylinder High (HOB=1) Western Digital Hard Disk Drive OEM Specification...

  • Page 177: Table 134 Send Fpdma Queued Command (64H)

    Table 135 SEND FPDMA QUEUED Subcommand Field The output from the host to the device, the command acceptance outputs for this command, the normal outputs for this command and the error outputs for this command are subcommand specific. Western Digital Hard Disk Drive OEM Specification...

  • Page 178: Table 136 Write Log Dma Ext Subcommand (2H)

    Sector Number Previous Contents of WRITE LOG DMA EXT LBA(31:24) field Cylinder Low Current Contents of WRITE LOG DMA EXT LBA(15:8) field Cylinder Low Previous Contents of WRITE LOG DMA EXT LBA(39:32) field Western Digital Hard Disk Drive OEM Specification...
  • Page 179 Cylinder High Previous Contents of WRITE LOG DMA EXT LBA(47:40) field Device/Head Input Parameters From The Device Sector Number (HOB=0) Sector Number (HOB=1) Cylinder Low (HOB=0) Cylinder Low (HOB=1) Cylinder High (HOB=0) Cylinder High (HOB=1) Western Digital Hard Disk Drive OEM Specification...

  • Page 180: Table 137 Read Buffer Command (E4H)

    The sector transferred will be from the same part of the buffer written to by the last Write Buffer command. The contents of the sector may be different if any reads or writes have occurred since the Write Buffer command was issued. Western Digital Hard Disk Drive OEM Specification...

  • Page 181: Table 138 Read Buffer Dma Command (E9H)

    The sector transferred will be from the same part of the buffer written to by the last Write Buffer command. The contents of the sector may be different if any reads or writes have occurred since the Write Buffer command was issued. Western Digital Hard Disk Drive OEM Specification...

  • Page 182: Table 139 Read Dma Command (C8H/C9H)

    The device issues only one interrupt per command to indicate that data transfer has terminated and status is available. If an uncorrectable error occurs, the read will be terminated at the failing sector. Western Digital Hard Disk Drive OEM Specification...
  • Page 183 In LBA mode, this register contains current LBA bits 8-15 (Low), 16-23 (High). (L=1) The head number of the sector to be transferred. (L=0) In LBA mode, this register contains current LBA bits 24-27. (L=1) Western Digital Hard Disk Drive OEM Specification...

  • Page 184: Table 140 Read Dma Ext Command (25H)

    The device issues only one interrupt per command to indicate that data transfer has terminated and status is available. If an uncorrectable error occurs, the read will be terminated at the failing sector. Western Digital Hard Disk Drive OEM Specification...
  • Page 185 LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Western Digital Hard Disk Drive OEM Specification...

  • Page 186: Table 141 Read Fpdma Queued Command (60H)

    If the Rebuild Assist feature is supported and is disabled, then the RARC bit shall be ignored. If the Rebuild Assist feature is supported and enabled, then the RARC bit specifies that read operations shall be processed as defined in 9.17.5 Rebuild Assist log (15h). Western Digital Hard Disk Drive OEM Specification...
  • Page 187 LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Western Digital Hard Disk Drive OEM Specification...

  • Page 188: Table 142 Read Log Ext Command (2Fh)

    The log to be returned as described in Table 143. Cylinder Low Current The first sector of the log to be read low order, bits (7:0). Cylinder Low Previous The first sector of the log to be read high order, bits (15:8). Western Digital Hard Disk Drive OEM Specification...

  • Page 189: Table 143 Log Address Definition

    If the feature set associated with the log specified in the Sector Number register is not supported or enabled, or if the values in the Sector Count, Sector Number or Cylinder Low registers are invalid, the device shall return command aborted. Western Digital Hard Disk Drive OEM Specification...

  • Page 190: Table 145 General Purpose Log Directory

    1 if Rebuild Assist log is supported 0 if Rebuild Assist log is not supported 02Bh 02Ch..2Fh Reserved 030h..1FFh As defined in the ACS-2 standard Table 146 General Purpose Log Directory for Serial ATA Western Digital Hard Disk Drive OEM Specification...

  • Page 191: Table 147 Extended Comprehensive Smart Error Log

    Description Bytes Offset 1st command data structure 2nd command data structure 3rd command data structure 4th command data structure 5th command data structure Error data structure Table 148 Extended Error log data structure Western Digital Hard Disk Drive OEM Specification...

  • Page 192: Table 149 Command Data Structure

    Note: bits (7:0) refer to the contents if the register is read with bit 7 of the Device Control register cleared to zero. Bits (15:8) refer to the contents if the register is read with bit 7 of the Device Control register set to one. Table 150 Error data structure Western Digital Hard Disk Drive OEM Specification...
  • Page 193 If the maximum value for this field is reached the count shall remain at the maximum value when additional errors are encountered and logged. Western Digital Hard Disk Drive OEM Specification...

  • Page 194: Table 151 Defined Device Statistics Log Pages

    Log page number of second supported device statistics log page … Log page number of nth supported device statistics log page n+08h Reserved n+09h..1Ffh Table 152 List of supported Device Statistics log pages Western Digital Hard Disk Drive OEM Specification...

  • Page 195: Table 153 General Statistics

    Description 63:56 Device Statistics Flags 55:48 Reserved 47:0 Logical Sectors Read Number of Read Commands Description 63:56 Device Statistics Flags 55:48 Reserved 47:0 Number of Read Commands Reserved 38h..1Ffh Table 153 General Statistics Western Digital Hard Disk Drive OEM Specification...

  • Page 196: Table 154 Rotating Media Statistics

    55:32 Reserved 31:0 Read Recovery Attempts (DWord) Number of Mechanical Start Failures Description 63:56 Device Statistics Flags 55:32 Reserved 31:0 Number of Mechanical Start Failures (DWord) Reserved 38h..1Ffh Table 154 Rotating Media Statistics Western Digital Hard Disk Drive OEM Specification...

  • Page 197: Table 155 General Error Statistics

    Average Short Term Temperature (signed byte) Average Long Term Temperature Description 63:56 Device Statistics Flags 55:8 Reserved Average Long Term Temperature (signed byte) Table 156 Temperature Statistics (part 1 of 2) Highest Temperature Western Digital Hard Disk Drive OEM Specification...

  • Page 198: Table 157 Temperature Statistics (Part 2 Of 2)

    Specified Minimum Operating Temperature Description 63:56 Device Statistics Flags 55:8 Reserved Specified Minimum Operating Temperature (signed byte) Reserved 70h..1Ffh Table 157 Temperature Statistics (part 2 of 2) 11.23.3.6 Transport Statistics (log page 06h) Western Digital Hard Disk Drive OEM Specification...

  • Page 199: Table 158 Transport Statistics

    Device Statistics Flags 55:32 Reserved 31:0 Head Load Events (DWord) Number of Interface CRC Errors Description 63:56 Device Statistics Flags 55:32 Reserved 31:0 Number of Interface CRC Errors (DWord) Reserved 28h..1Ffh Table 158 Transport Statistics Western Digital Hard Disk Drive OEM Specification...

  • Page 200: Table 159 Extended Self-Test Log Data Structure

    Power-on life timestamp in hours Self-test failure check point Failing LBA (7:0) Failing LBA (15:8) Failing LBA (23:16) Failing LBA (31:24) Failing LBA (39:32) Failing LBA (47:40) Vendor specific Table 160 Extended Self-test log descriptor entry Western Digital Hard Disk Drive OEM Specification...

  • Page 201: Table 161 Idle Power Conditions (Log Page 00H)

    448-511 Byte Standby_z power conditions descriptor. Power condition supported is set to one to indicate that the standby_z power condition is supported. Table 162 Standby power conditions (log page 01h) Western Digital Hard Disk Drive OEM Specification...

  • Page 202: Table 163 Power Condition Log Description

    EPC feature set is enabled. A value of FFFF_FFFFh indicates that the time is greater than or equal to 429_496_729_500 milliseconds. Measurement Units: 100 milliseconds. Table 163 Power condition log description Western Digital Hard Disk Drive OEM Specification...

  • Page 203: Table 164 Power Condition Log Description - Continued

    429 496 729 500 milliseconds. Measurement Units: 100 milliseconds This value be preserved over all resets Reserved 28-63 DWord Table 164 Power condition log description - Continued - Western Digital Hard Disk Drive OEM Specification...

  • Page 204: Table 165 Queued Error Log Data Structure Definition

    The Data Structure Checksum (Byte 511) contains the 2’s complement of the sum of the first 511 bytes in the data structure. The sum of all 512 bytes of the data structure will be zero when the checksum is correct. Western Digital Hard Disk Drive OEM Specification...

  • Page 205: Table 166 Read Stream Error Log

    Byte (1:0) contains the contents of the Feature Register when the error occurred. This Value shall be set to 0FFFFh for s deferred write error. Byte 2 contains the contents of the Status Register when the error occurred. Western Digital Hard Disk Drive OEM Specification...

  • Page 206: Table 168 Write Stream Error Log

    The Error Log Index indicates the error log data structure representing the most recent error. Only values (31:0) are valid. Table 166 defines the format of each entry in the Error Log. Western Digital Hard Disk Drive OEM Specification...

  • Page 207: Table 169 Identify Device Data Log

    Page number of nth supported IDENTIFY DEVICE data log page n+9..511 Reserved Table 170 List of supported IDENTIFY DEVICE data pages 11.23.9.2 Copy of IDENTIFY DEVICE data (page 01h) This page is a copy of IDENTIFY DEVICE data words 0..255. Western Digital Hard Disk Drive OEM Specification...

  • Page 208: Table 171 Capacity Log Page

    Contents of the QWord are valid 62..32 Reserved 31..0 LOGICAL SECTOR SIZE field 32..39 QWord Nominal Buffer Size Meaning Contents of the QWord are valid 62:0 BUFFER SIZE field 40..511 Reserved Table 171 Capacity log page Western Digital Hard Disk Drive OEM Specification...

  • Page 209: Table 172 Supported Capabilities Log Page

    PUIS SUPPORTED bit APM SUPPORTED bit CFA SUPPORTED bit DOWNLOAD MICROCODE SUPPORTED bit UNLOAD SUPPORTED bit The WRITE DMA FUA EXT and WRITE MULTIPLE FUA EXT commands are Supported Table 172 Supported Capabilities log page Western Digital Hard Disk Drive OEM Specification...

  • Page 210: Table 173 Supported Capabilities Log Page - Continued

    31:0 WRV MODE 2 COUNT field 56..71 DQWord World wide name [was word 108] Meaning Set to one 126:64 Reserved 63:0 World wide name Table 173 Supported Capabilities log page - Continued - Western Digital Hard Disk Drive OEM Specification...

  • Page 211: Table 174 Supported Capabilities Log Page - Continued

    Offset Type Content 72..79 QWord DATA SET MANAGEMENT Meaning Set to one 62:1 Reserved TRIM SUPPORTED bit 80..511 Reserved Table 174 Supported Capabilities log page - Continued - Western Digital Hard Disk Drive OEM Specification...

  • Page 212: Table 175 Current Settings Log Page

    Reserved 15:0 DMA SECTOR TIME field 32..39 QWord PIO Host Interface Sector Times Meaning Contents of the QWord are valid 62:16 Reserved 15:0 PIO SECTOR TIME field Table 175 Current Settings log page Western Digital Hard Disk Drive OEM Specification...

  • Page 213: Table 176 Current Settings Log Page - Continued

    ATA String Serial number 28..31 Reserved 32..39 ATA String Firmware revision 40..47 Reserved 48..87 ATA String Model number 88..95 Reserved 96..103 ATA String Additional Product Identifier 104..511 Reserved Table 177 Strings log page Western Digital Hard Disk Drive OEM Specification...
  • Page 214 Contents of the QWord are valid 62:8 Reserved RESTRICTED SANITIZE OVERRIDES SECURITY bit ACS-3 COMMANDS ALLOWED BY SANITIZE bit SANITIZE ANTIFREEZE LOCK SUPPORTED bit BLOCK ERASE SUPPORTED bit OVERWRITE SUPPORTED bit CRYPTO SCRAMBLE SUPPORTED bit SANITIZE SUPPORTED bit Western Digital Hard Disk Drive OEM Specification...

  • Page 215: Table 178 Security Log Page

    ENCRYPT ALL SUPPORTED bit 56..511 Reserved Table 178 Security log page 11.23.9.8 Parallel ATA (page 07h) The Parallel ATA log page provides information about the Parallel ATA Transport. This page is not supported. Western Digital Hard Disk Drive OEM Specification...

  • Page 216: Table 179 Serial Ata Log Page

    RECEIPT OF HOST INITIATED POWER MANAGEMENT REQUESTS SUPPORTED bit NCQ FEATURE SET SUPPORTED bit Reserved SATA GEN3 SIGNALING SPEED SUPPORTED bit SATA GEN2 SIGNALING SPEED SUPPORTED bit SATA GEN1 SIGNALING SPEED SUPPORTED bit Table 179 Serial ATA log page Western Digital Hard Disk Drive OEM Specification...

  • Page 217: Table 180 Serial Ata Log Page - Continued

    OFF TO GOOD STS RECOUP COST 15:14 DEVSLEEP TO PHYRDY TIME UNIT 13:8 DEVSLEEP TO PHYRDY RECOUP COST SLUMBER TO DEVSLEEP TIME UNIT SLUMBER TO DEVSLEEP RECOUP COST Table 180 Serial ATA log page - Continued - Western Digital Hard Disk Drive OEM Specification...

  • Page 218: Table 181 Serial Ata Log Page - Continued

    15:14 PM2 TO PM0 TIME UNIT 13:8 PM2 TO PM0 RECOUP COST PM0 TO PM2 TIME UNIT PM0 TO PM2 RECOUP COST 72..511 Reserved Table 181 Serial ATA log page - Continued - Western Digital Hard Disk Drive OEM Specification...

  • Page 219: Table 182 Read Log Dma Ext Command (47H)

    Status ...See Below... Error Register Status Register Table 182 Read Log DMA Ext Command (47h) The content of this command is the same as Read Log Ext. See 11.23 Read Log Ext (2Fh) Western Digital Hard Disk Drive OEM Specification...

  • Page 220: Table 183 Read Multiple Commands (C4H)

    The sectors are transferred through the Data Register 16 bits at a time. Command execution is identical to the Read Sector(s) command except that an interrupt is generated for each block (as defined by the Set Multiple command) instead of for each sector. Western Digital Hard Disk Drive OEM Specification...

  • Page 221: Table 184 Read Multiple Ext Command (29H)

    The sectors are transferred through the Data Register 16 bits at a time. Command execution is identical to the Read Sector(s) command except that an interrupt is generated for each block (as defined by the Set Multiple command) instead of for each sector. Western Digital Hard Disk Drive OEM Specification...
  • Page 222 LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Western Digital Hard Disk Drive OEM Specification...

  • Page 223: Table 185 Read Native Max Address (F8H)

    In CHS mode, this register contains native max cylinder number. (L=0) In LBA mode, this register contains native max LBA bits 24-27. (L=1) In CHS mode, this register contains native max head number.(L=0) Western Digital Hard Disk Drive OEM Specification...

  • Page 224: Table 186 Read Native Max Address Ext (27H)

    LBA (39:32) of the address of the Native max address. Cylinder High (HOB=0) LBA (23:16) of the address of the Native max address. Cylinder High (HOB=1) LBA (47:40) of the address of the Native max address. Western Digital Hard Disk Drive OEM Specification...

  • Page 225: Table 187 Read Sector(S) Command (20H/21H)

    In LBA mode, this register contains current LBA bits 8 – 15 (Low), 16 – 23 (High). (L=1) The head number of the last transferred sector. (L=0) In LBA mode, this register contains current LBA bits 24 – 27. (L=1) Western Digital Hard Disk Drive OEM Specification...

  • Page 226: Table 188 Read Sector(S) Ext Command (24H)

    LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Western Digital Hard Disk Drive OEM Specification...

  • Page 227: Table 189 Read Stream Dma Ext Command (2Ah)

    Command Completion Time Limit expired by setting the CCTO bit in the error log to one, In all cases, the device shall attempt to transfer the amount of data requested within the Command Completion Time Limit event if some data transferred is in error. Western Digital Hard Disk Drive OEM Specification...
  • Page 228 Sector Count register, then 65,536 sectors will be transferred. Sector Number Current LBA (7:0). Sector Number Previous LBA (31:24). Cylinder Low Current LBA (15:8). Cylinder Low Previous LBA (39:32). Cylinder High Current LBA (23:16). Cylinder High Previous LBA (47:40). Western Digital Hard Disk Drive OEM Specification...
  • Page 229 CCTO error occurs, the SE bit shall be set to one, the ERR bit shall be cleared to zero, and the bits that would normally be set in the Error register shall be set in the error log. Western Digital Hard Disk Drive OEM Specification...

  • Page 230: Table 190 Read Stream Ext Command (2Bh)

    Command Completion Time Limit expired by setting the CCTO bit in the error log to one, In all cases, the device shall attempt to transfer the amount of data requested within the Command Completion Time Limit event if some data transferred is in error. Western Digital Hard Disk Drive OEM Specification...
  • Page 231 Sector Count register, then 65,536 sectors will be transferred. Sector Number Current LBA (7:0). Sector Number Previous LBA (31:24). Cylinder Low Current LBA (15:8). Cylinder Low Previous LBA (39:32). Cylinder High Current LBA (23:16). Cylinder High Previous LBA (47:40). Western Digital Hard Disk Drive OEM Specification...
  • Page 232 CCTO error occurs, the SE bit shall be set to one, the ERR bit shall be cleared to zero, and the bits that would normally be set in the Error register shall be set in the error log. Western Digital Hard Disk Drive OEM Specification...

  • Page 233: Table 191 Read Verify Sector(S) Command (40H/41H)

    In LBA mode, this register contains current LBA bits 8 – 15 (Low), 16 – 23 (High). (L=1) The head number of the last transferred sector. (L=0) In LBA mode, this register contains current LBA bits 24 – 27. (L=1) Western Digital Hard Disk Drive OEM Specification...

  • Page 234: Table 192 Read Verify Sector(S) Ext Command (42H)

    LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Western Digital Hard Disk Drive OEM Specification...

  • Page 235: Table 193 Recalibrate Command (1Xh)

    The Recalibrate command moves the read/write heads from anywhere on the disk to cylinder 0. If the device cannot reach cylinder 0, T0N (Track 0 Not Found) will be set in the Error Register. Western Digital Hard Disk Drive OEM Specification...

  • Page 236: Table 194 Request Sense Data Ext Command (0Bh)

    The Sense Data Available bit shall be set to one if: a) IDENTIFY DEVICE data word 119 bit 6 is set to one; b) IDENTIFY DEVICE data word 120 bit 6 is set to one; and Western Digital Hard Disk Drive OEM Specification...

  • Page 237: Table 195 Sanitize Device Feature Set (B4H)

    Input Parameters From The Device Sector Number (HOB=0) Additional Sense Code Qualifier (Bit 7:0) Cylinder Low (HOB=0) Additional Sense Code (Bit 15:8) Cylinder High (HOB=0) Sense Key (Bit 19:16) Table 195 Sanitize Device Feature Set (B4h) Western Digital Hard Disk Drive OEM Specification...

  • Page 238: Table 196 Crypto Scramble Ext Command (B4H/0011H)

    The CRYPTO SCRAMBLE EXT command only is processed if: a) the Sanitize Device feature set is supported b) the device is in the SD0: Sanitize Idle state, the SD3: Sanitize Operation Failed state, or the SD4: Sanitize Operation Succeeded state. Western Digital Hard Disk Drive OEM Specification...
  • Page 239 02h Invalid or unsupported Sanitize Device Feature Field Value 03h Device is in the Sanitize Frozen state 04h..FFh Reserved Western Digital Hard Disk Drive OEM Specification...

  • Page 240: Table 197 Overwrite Ext Command (B4H/0014H)

    The OVERWRITE EXT command only is processed if: a) the Sanitize Device feature set is supported b) the device is in the SD0: Sanitize Idle state, the SD3: Sanitize Operation Failed state, or the SD4: Sanitize Operation Succeeded state. Western Digital Hard Disk Drive OEM Specification...
  • Page 241 02h Invalid or unsupported Sanitize Device Feature Field Value 03h Device is in the Sanitize Frozen state 04h..FFh Reserved Western Digital Hard Disk Drive OEM Specification...

  • Page 242: Table 198 Sanitize Freeze Lock Ext Command (B4H/0020H)

    SD2: Sanitize Operation state (i.e., a sanitize operation is not in process). The returned value is a numerator that has 65536 (10000h) as its denominator. Sector Number (HOB=0) The Sanitize Progress Indication (7:0). Ditto. Western Digital Hard Disk Drive OEM Specification...
  • Page 243 02h Invalid or unsupported Sanitize Device Feature Field Value 03h Device is in the Sanitize Frozen state 04h..FFh Reserved Western Digital Hard Disk Drive OEM Specification...

  • Page 244: Table 199 Sanitize Status Ext Command (B4H/0000H)

    If the CLEAR SANITIZE OPERATION FAILED bit is set to one in the SANITIZE STATUS EXT command, and the FAILURE MODE bit was set to zero in the Sanitize Device command that caused the sanitize operation, the SANITIZE STATUS EXT command returns command aborted. Western Digital Hard Disk Drive OEM Specification...
  • Page 245 02h Invalid or unsupported Sanitize Device Feature Field Value 03h Device is in the Sanitize Frozen state 04h..FFh Reserved Western Digital Hard Disk Drive OEM Specification...

  • Page 246: Table 200 Security Disable Password Command (F6H)

    Identifier Zero indicates that the device should check the supplied password against the user password stored internally. One indicates that the device should check the given password against the master password stored internally. Western Digital Hard Disk Drive OEM Specification...

  • Page 247: Table 202 Security Erase Prepare Command (F3H)

    The Security Erase Prepare Command must be issued immediately before the Format Unit Command. This command is to prevent accidental erasure of the device. This command does not request to transfer data. Western Digital Hard Disk Drive OEM Specification...

  • Page 248: Table 203 Security Erase Unit Command (F4H)

    Also, the defective sector information and the reassigned sector information for the device are not updated. The security erase prepare command should Western Digital Hard Disk Drive OEM Specification...
  • Page 249 Master Password and the User Password, and then the device only erases all user data. The execution time of this command is set in word 89 of Identify device information. Western Digital Hard Disk Drive OEM Specification...

  • Page 250: Table 205 Security Freeze Lock Command (F5H)

    The following commands are rejected when the device is in frozen mode. For detail, refer to Table 36 and Table 37 on the page 52-53.  Security Set Password  Security Unlock  Security Disable Password  Security Erase Unit Western Digital Hard Disk Drive OEM Specification...

  • Page 251: Table 206 Security Set Password Command (F1H)

    Master Password Revision Code (valid if Word 0 bit 0 = 1) 18-255 Reserved Table 207 Security Set Password Information Identifier Zero indicates that the device regards Password as User Password. One indicates that device Western Digital Hard Disk Drive OEM Specification...
  • Page 252 NOT be used to unlock the device. Identifier=Master / Security level = Maximum This combination will set a master password but will NOT enable the security mode feature (lock function). Western Digital Hard Disk Drive OEM Specification...

  • Page 253: Table 208 Security Unlock Command (F2H)

    AFTER the password information has been sent to the device. If an abort error is returned by the device BEFORE the password data has been sent to the file then another problem exists. Western Digital Hard Disk Drive OEM Specification...

  • Page 254: Table 210 Seek Command (7Xh)

    In LBA mode, this register contains current LBA bits 8 – 15 (Low), 16 – 23 (High). (L=1) Cylinder High/Low In LBA mode, this register contains current LBA bits 24 – 27. (L=1) Western Digital Hard Disk Drive OEM Specification...

  • Page 255: Table 211 Sense Condition Command(F0H)

    The Sector Count register contains result value. Value Description Temperature is equal to or lower than -20 deg C 01h-FEh Temperature is (Value / 2 - 20) deg C Temperature is higher than 107 deg C Western Digital Hard Disk Drive OEM Specification...

  • Page 256: Table 212 Set Features Command (Efh)

    After power on reset or hard reset, the device is set to the following features as default. Write cache : Enable Read look-ahead : Enable Reverting to power on defaults : Disable Release interrupt : Disable Western Digital Hard Disk Drive OEM Specification...

  • Page 257: Set Transfer Mode

    ATA feature to enable or disable. Sector Count Value Description Non-zero buffer offset in DMA Setup FIS DMA Setup FIS Auto-Activate optimization Device-initiated interface power state transitions Guaranteed In-Order Data Delivery Software Settings Preservation Western Digital Hard Disk Drive OEM Specification...

  • Page 258: Advanced Power Management

    The Typical PIO Mode Host Interface Sector Time includes the host’s interrupt service time. Western Digital Hard Disk Drive OEM Specification...

  • Page 259: Table 213 Restore Power Condition Settings Subcommand

    If any selected Power Condition is not supported, or is not changeable, or if Extended Power Condition feature set is disable, or if Save is set to one and any selected power condition is not savable, then the device returns command aborted . Western Digital Hard Disk Drive OEM Specification...

  • Page 260: Table 214 Go To Power Condition Subcommand

    1h Go To Power Condition subcommand (See Table 73) Error Output If the Power condition ID is FFh, a reserved value, or is not supported, or if Extended Power Condition feature set is disable, then the device returns command aborted . Western Digital Hard Disk Drive OEM Specification...

  • Page 261: Table 215 Set Power Condition Timer Subcommand

    5) if Save is set to one and the Power Condition settings are savable, then: A) copy the Current Timer Settings field to the Saved Timer Settings field; and B) copy the Current Timer Enabled field to the Saved Timer Enabled field. Western Digital Hard Disk Drive OEM Specification...
  • Page 262 If command aborted is returned, then the device makes no modifications to the power condition settings. Maximum Setting is 3BFFC4h (100ms unit). Minimum Setting is zero. Western Digital Hard Disk Drive OEM Specification...

  • Page 263: Table 216 Set Power Condition State Subcommand

    If the Save bit is set to one and the selected power condition is not savable, then the device returns command aborted. If command aborted is returned, then the device makes no modifications to the power condition settings. Western Digital Hard Disk Drive OEM Specification...

  • Page 264: Table 217 Enable The Epc Feature Subcommand

    Sector Number bit Description 7-4 Reserved 3-0 4h Enable the EPC feature subcommand (See Table 73) Error Output If the Extended Power Condition feature set is not supported then the device returns command aborted. Western Digital Hard Disk Drive OEM Specification...

  • Page 265: Table 218 Disable The Epc Feature Subcommand

    Sector Number Description 7-4 Reserved 3-0 5h Disable the EPC feature subcommand (See Table 73) Error Output If the Extended Power Condition feature set is disabling, not supported then the device returns command aborted. Western Digital Hard Disk Drive OEM Specification...

  • Page 266: Table 219 Set Max Address (F9H)

    (61:60) shall be 268,435,455 and the value placed in words (103:100) shall be the native maximum address. If a host protected area has been established by a Set Max Address Ext command, the device shall return command aborted. Western Digital Hard Disk Drive OEM Specification...
  • Page 267 In CHS mode, this register contains max cylinder number which is set. (L=0) In LBA mode, this register contains max LBA bits 24 – 27 which is set. (L=1) In CHS mode, this register contains max head number.(L=0) Western Digital Hard Disk Drive OEM Specification...

  • Page 268: Table 220 Set Max Set Password

    The password is retained by the device until the next power cycle. When the device accepts this command the device is in Set_Max_Unlocked state. Word Description Reserved 01-16 Password (32 byte) 17-255 Reserved Table 221 Set Max Set Password data contents Western Digital Hard Disk Drive OEM Specification...

  • Page 269: Table 222 Set Max Lock

    Set Max Unlock and Set Max Freeze Lock are rejected. The device remains in this state until a power cycle or the acceptance of a Set Max Unlock or Set Max Freeze Lock command. Western Digital Hard Disk Drive OEM Specification...

  • Page 270: Table 223 Set Max Unlock (F9H)

    Set Max Unlock commands are rejected until a hard reset or a power off. If the password compares matches, then the device set the Set_Max_Unlocked state and all Set Max commands shall be accepted. Western Digital Hard Disk Drive OEM Specification...

  • Page 271: Table 224 Set Max Freeze Lock (F9H)

    The Set Max Freeze Lock command sets the device to Set_Max_Frozen state. After command completion any subsequent Set Max commands are rejected. Commands disabled by Set Max Freeze Lock are: 1. Set Max Address 2. Set Max Set PASSWORD 3. Set Max Lock 4. Set Max Unlock Western Digital Hard Disk Drive OEM Specification...

  • Page 272: Table 225 Set Max Address Ext Command (37H)

    POR. B=1 is not valid when the device is in Address Offset mode. Sector Number Current Set Max LBA (7:0). Sector Number Previous Set Max LBA (31:24). Cylinder Low Current Set Max LBA (15:8). Cylinder Low Previous Set Max LBA (39:32). Western Digital Hard Disk Drive OEM Specification...
  • Page 273 Sector Number (HOB=1) Set Max LBA (31:24). Cylinder Low (HOB=0) Set Max LBA (15:8). Cylinder Low (HOB=1) Set Max LBA (39:32). Cylinder High (HOB=0) Set Max LBA (23:16). Cylinder High (HOB=1) Set Max LBA (47:40). Western Digital Hard Disk Drive OEM Specification...

  • Page 274: Table 226 Set Multiple Commands (C6H)

    Sector Count. The block size to be used for Read Multiple and Write Multiple commands. Valid block sizes can be selected from 0, 1, 2, 4, 8 or 16. If 0 is specified, then Read Multiple and Write Multiple commands are disabled. Western Digital Hard Disk Drive OEM Specification...

  • Page 275: Table 227 Sleep Command (E6H/99H)

    The device is spun down and the interface becomes inactive. If the device is already spun down, the spin down sequence is not executed. The only way to recover from Sleep Mode is with software reset or hardware reset. Western Digital Hard Disk Drive OEM Specification...

  • Page 276: Table 228 Smart Function Set Command (B0H)

    The SMART Function Set command has several separate subcommands which are selectable via the device’s Features Register when the SMART Function Set command is issued by the host. Western Digital Hard Disk Drive OEM Specification...

  • Page 277: Smart Subcommand

    The SMART Disable Operations subcommand disables the Autosave feature along with the device’s SMART operations. Upon the receipt of the subcommand from the host, the device asserts BSY, Enables or Disables the Autosave feature, clears BSY and asserts INTRQ. Western Digital Hard Disk Drive OEM Specification...
  • Page 278 Set ERR to one when self-test has failed Error Set ABRT to one when self-test has failed Cyl Low Set to F4h when self-test has failed Cyl High Set to 2Ch when self-test has failed Western Digital Hard Disk Drive OEM Specification...

  • Page 279: Table 229 Log Sector Addresses

    Attribute Data Sectors. If the device is re-enabled, these Attribute Values will be updated, as needed, upon receipt of a SMART Read Attribute Values or SMART Save Attribute Values command. Western Digital Hard Disk Drive OEM Specification...
  • Page 280 Any other non-zero value written by the host into this register before issuing this subcommand is vender specific and will not change the current Automatic Off-Line Data Collection, but the device may respond with the error code specified in Table 242 on the page.277 Western Digital Hard Disk Drive OEM Specification...

  • Page 281: Table 230 Device Attribute Data Structure

    Data Structure Revision Number The Data Structure Revision Number identifies which version of this data structure is implemented by the device. This revision number identifies both the Attribute Value and Attribute Threshold Data structures. Western Digital Hard Disk Drive OEM Specification...

  • Page 282: Table 231 Individual Attribute Data Structure

    Normalized Values: The device will perform conversion of the raw Attribute Values to transform them into normalized values, which the host can then compare with the Threshold values. A Threshold is the excursion limit for a normalized Attribute Value. Western Digital Hard Disk Drive OEM Specification...
  • Page 283 The self-test routine in progress 11.51.2.5 Total Time in Seconds to Complete Off-line Data Collection Activity This field tells the host how many seconds the device requires completing the off-line data collection activity. Western Digital Hard Disk Drive OEM Specification...
  • Page 284 Reserved (0) Error Logging support bit If bit = 1, the device supports the Error Logging 11.51.2.9 Self-test failure check point This byte indicates the section of self-test where the device detected a failure. Western Digital Hard Disk Drive OEM Specification...
  • Page 285 These bytes are the minimum time in minutes to complete self-test. 11.51.2.11 Data Structure Checksum The Data Structure Checksum is the 2’s compliment of the result of a simple 8-bit addition of the first 511 bytes in the data structure. Western Digital Hard Disk Drive OEM Specification...

  • Page 286: Table 232 Device Attribute Thresholds Data Structure

    These values are preset at the factory and are not meant to be changeable. 11.51.3.5 Data Structure Checksum The Data Structure Checksum is the 2’s compliment of the result of a simple 8-bit addition of the first 511 bytes in the data structure. Western Digital Hard Disk Drive OEM Specification...

  • Page 287: Table 234 Smart Log Directory

    This points the most recent error log data structure. Only values 1 through 5 are valid. 11.51.5.3 Device error count This field contains the total number of errors. The value will not roll over. Western Digital Hard Disk Drive OEM Specification...

  • Page 288: Table 236 Error Log Data Structure

    Reserved Error register Sector count register Sector number register Cylinder Low register Cylinder High register Device/Head register Status register Extended error data (vendor specific) State Life timestamp (hours) Table 238 Error data structure Western Digital Hard Disk Drive OEM Specification...

  • Page 289: Table 239 Self-Test Log Data Structure

    After 21 descriptors have been recorded, the oldest descriptor will be overwritten with new descriptor. Self-test index points the most recent descriptor. When there is no descriptor the value is 0. When there is descriptor(s) the value is 1 through 21. Western Digital Hard Disk Drive OEM Specification...

  • Page 290: Table 240 Selective Self-Test Log Data Structure

    When set to one, perform off-line scan after selective test. Vendor specific When set to one, off-line scan after selective test is pending. When set to one, off-line scan after selective test is active. 5-15 Reserved. Table 241 Selective self-test feature flags Western Digital Hard Disk Drive OEM Specification...

  • Page 291: Table 242 Smart Error Codes

    The device is unable to read its Attribute Values or Attribute Thresholds 10h or 40h data structure. The device is unable to write to its Attribute Values data structure. Table 242 SMART Error Codes Western Digital Hard Disk Drive OEM Specification...

  • Page 292: Table 243 Standby Command (E2H/96H)

    When the automatic power down sequence is enabled, the drive will enter Standby mode automatically if the timeout interval expires with no drive access from the host. The timeout interval will be reinitialized if there is a drive access before the timeout interval expires. Western Digital Hard Disk Drive OEM Specification...

  • Page 293: Table 244 Standby Immediate Command (E0H/94H)

    During the Standby mode, the device will respond to commands, but there is a delay while waiting for the spindle to reach operating speed. The Standby Immediate command will not affect the auto power down timeout parameter. If the EPC feature set is enabled, device enters into the Standby_Z power condition. Western Digital Hard Disk Drive OEM Specification...

  • Page 294: Table 245 Trusted Receive Command (5Ch)

    The Trusted Receive command reads one or more 512 byte packets from the drive. The returned packets depend on the Security Protocol selected (feature). See Trusted Command Feature for details. The sectors are transferred through the Data Register 16 bits at a time. Western Digital Hard Disk Drive OEM Specification...

  • Page 295: Table 246 Trusted Receive Dma Command (5Dh)

    The host initializes a slave-DMA channel prior to issuing the command. The data transfers are qualified by DMARQ and are performed by the slave-DMA channel. The device issues only one interrupt per command to indicate that data transfer has terminated and status is available. Western Digital Hard Disk Drive OEM Specification...

  • Page 296: Table 247 Trusted Send Command (5Eh)

    The Trusted Send command writes one or more 512 byte packets to the drive. The content of the packets depend on the Security Protocol selected (feature). See Trusted Command Feature for details. The sectors are transferred through the Data Register 16 bits at a time. Western Digital Hard Disk Drive OEM Specification...

  • Page 297: Table 248 Trusted Send Dma Command (5Fh)

    The host initializes a slave-DMA channel prior to issuing the command. The data transfers are qualified by DMARQ and are performed by the slave-DMA channel. The device issues only one interrupt per command to indicate that data transfer has terminated and status is available. Western Digital Hard Disk Drive OEM Specification...

  • Page 298: Table 249 Write Buffer Command (E8H)

    Data Register 16 bits at a time. The Read Buffer and Write Buffer commands are synchronized such that sequential Write Buffer and Read Buffer commands access the same 512 byte within the buffer. Western Digital Hard Disk Drive OEM Specification...

  • Page 299: Table 250 Write Buffer Dma Command (Ebh)

    Data Register 16 bits at a time. The Read Buffer and Write Buffer commands are synchronized such that sequential Write Buffer and Read Buffer commands access the same 512 byte within the buffer. Western Digital Hard Disk Drive OEM Specification...

  • Page 300: Table 251 Write Dma Command (Cah/Cbh)

    In LBA mode, this register contains current LBA bits 8 – 15 (Low), 16 – 23 (High). (L=1) The head number of the last transferred sector. (L=0) In LBA mode, this register contains current LBA bits 24 – 27. (L=1) Western Digital Hard Disk Drive OEM Specification...

  • Page 301: Table 252 Write Dma Fua Ext Command (3Dh)

    Sector Count register, then 65,536 sectors will be transferred. Sector Number Current LBA (7:0). Sector Number Previous LBA (31:24). Cylinder Low Current LBA (15:8). Cylinder Low Previous LBA (39:32). Cylinder High Current LBA (23:16). Cylinder High Previous LBA (47:40). Western Digital Hard Disk Drive OEM Specification...
  • Page 302 LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Western Digital Hard Disk Drive OEM Specification...

  • Page 303: Table 253 Write Dma Ext Command (35H)

    Sector Count register, then 65,536 sectors will be transferred. Sector Number Current LBA (7:0). Sector Number Previous LBA (31:24). Cylinder Low Current LBA (15:8). Cylinder Low Previous LBA (39:32). Cylinder High Current LBA (23:16). Cylinder High Previous LBA (47:40). Western Digital Hard Disk Drive OEM Specification...
  • Page 304 LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Western Digital Hard Disk Drive OEM Specification...

  • Page 305: Table 254 Write Fpdma Queued Command (61H)

    The Priority values are defined as follows: Normal priority Isochronous – deadline dependent priority High priority Sector Number Current LBA (7:0) Sector Number Previous LBA (31:24) Cylinder Low Current LBA (15:8) Western Digital Hard Disk Drive OEM Specification...
  • Page 306 LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Western Digital Hard Disk Drive OEM Specification...

  • Page 307: Table 255 Write Log Ext Command (3Fh)

    Sector Count, Sector Number or Cylinder Low registers are invalid, the device shall return command aborted. If the host attempts to write to a read only log address, the device shall return command aborted. Western Digital Hard Disk Drive OEM Specification...

  • Page 308: Table 256 Write Log Dma Ext Command (57H)

    Status ...See Below... Error Register Status Register Table 256 Write Log DMA Ext Command (57h) The content of this command is the same as Write Log Ext. See 11.64 Write Log Ext (3Fh) Western Digital Hard Disk Drive OEM Specification...

  • Page 309: Table 257 Write Multiple Command (C5H)

    In LBA mode, this register contains current LBA bits 8 - 15 (Low), 16 - 23 (High). (L=1) The head number of the last transferred sector. (L=0) In LBA mode, this register contains current LBA bits 24 - 27. (L=1) Western Digital Hard Disk Drive OEM Specification...

  • Page 310: Table 258 Write Multiple Ext Command (39H)

    LBA (15:8) of the address of the first unrecoverable error. Cylinder Low (HOB=1) LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Western Digital Hard Disk Drive OEM Specification...

  • Page 311: Table 259 Write Multiple Fua Ext Command (Ceh)

    LBA (7:0) of the address of the first unrecoverable error. Sector Number (HOB=1) LBA (31:24) of the address of the first unrecoverable error. Cylinder Low (HOB=0) LBA (15:8) of the address of the first unrecoverable error. Western Digital Hard Disk Drive OEM Specification...
  • Page 312 LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Western Digital Hard Disk Drive OEM Specification...

  • Page 313: Table 260 Write Sector(S) Command (30H/31H)

    In LBA mode, this register contains current LBA bits 8 - 15 (Low), 16 - 23 (High). (L=1) The head number of the last transferred sector. (L=0) In LBA mode, this register contains current LBA bits 24 - 27. (L=1) Western Digital Hard Disk Drive OEM Specification...

  • Page 314: Table 261 Write Sector(S) Ext Command (34H)

    LBA (15:8) of the address of the first unrecoverable error. Cylinder Low (HOB=1) LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Western Digital Hard Disk Drive OEM Specification...

  • Page 315: Table 262 Write Stream Dma Ext Command (3Ah)

    Command Completion Time Limit expired by setting the CCTO bit in the error log to one, In all cases, the device shall attempt to transfer the amount of data requested within the Command Completion Time Limit event if some data transferred is in error. Western Digital Hard Disk Drive OEM Specification...
  • Page 316 Sector Count register, then 65,536 sectors will be transferred. Sector Number Current LBA (7:0). Sector Number Previous LBA (31:24). Cylinder Low Current LBA (15:8). Cylinder Low Previous LBA (39:32). Cylinder High Current LBA (23:16). Cylinder High Previous LBA (47:40). Western Digital Hard Disk Drive OEM Specification...
  • Page 317 Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. CCTO (Error, bit 0) CCTO bit shall be set to one if a Command Completion Time Limit Out error has occurred. Western Digital Hard Disk Drive OEM Specification...

  • Page 318: Table 263 Write Stream Ext Command (3Bh)

    Command Completion Time Limit expired by setting the CCTO bit in the error log to one, In all cases, the device shall attempt to transfer the amount of data requested within the Command Completion Time Limit event if some data transferred is in error. Western Digital Hard Disk Drive OEM Specification...
  • Page 319 Sector Count register, then 65,536 sectors will be transferred. Sector Number Current LBA (7:0). Sector Number Previous LBA (31:24). Cylinder Low Current LBA (15:8). Cylinder Low Previous LBA (39:32). Cylinder High Current LBA (23:16). Cylinder High Previous LBA (47:40). Western Digital Hard Disk Drive OEM Specification...
  • Page 320 Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. CCTO (Error, bit 0) CCTO bit shall be set to one if a Command Completion Time Limit Out error has occurred. Western Digital Hard Disk Drive OEM Specification...

  • Page 321: Table 264 Write Uncorrectable Ext Command (45H)

    It is possible that an ‘uncorrectable’ sector location has actual physical errors. In this case read commands and/or write commands shall return ERR status information that is consistent with the error. The pseudo uncorrectable or flagged uncorrectable Western Digital Hard Disk Drive OEM Specification...
  • Page 322 LBA (39:32) of the address of the first unrecoverable error. Cylinder High (HOB=0) LBA (23:16) of the address of the first unrecoverable error. Cylinder High (HOB=1) LBA (47:40) of the address of the first unrecoverable error. Western Digital Hard Disk Drive OEM Specification...

Table of Contents