General Purpose Log Directory; Table 82. Log Address Definition; Table 83. General Purpose Log Directory; Extended Comprehensive Smart Error Log - Hitachi 7K100 - Travelstar - Hard Drive Specifications

Table 82: Log Address Definition
Log Address
00h Log directory
03h Extended Comprehensive SMART error log SMART error logging
06h SMART self-test log
07h Extended SMART self-test log
20h Streaming Performance log
21h Write Stream Error log
22h Read Stream Error log
80h-9Fh Host vendor specific
Note: If log address 06h is accessed using the Read Log Ext or Write Log Ext commands, command abort shall be
returned.
The Extended SMART self-test log sector shall support 48-bit and 28-bit addressing. All 28-bit entries contained in
the SMART self-test log sector shall also be included in the Comprehensive SMART self-test log sector with the
48-bit entries.
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 com-
mand aborted.

13.15.1 General Purpose Log Directory

The figure below defines the 512 bytes that make up the General Purpose Log Directory.
Table 83: General Purpose Log Directory
General purpose logging version
Number of sectors in the log at log address 01h (7:0)
Number of sectors in the log at log address 01h (15:8)
Number of sectors in the log at log address 01h (7:0)
Number of sectors in the log at log address 01h (15:8)
...
Number of sectors in the log at log address 20h (7:0)
Number of sectors in the log at log address 20h (7:0)
Number of sectors in the log at log address 21h (7:0)
Number of sectors in the log at log address 22h (7:0)
Number of sectors in the log at log address 22h (15:8)
Number of sectors in the log at address 80h (7:0)
Number of sectors in the log at address 80h (15:8)
Number of sectors in the log at address FFh (7:0)
Number of sectors in the log at address FFh (15:8)
Content
Description
Travelstar 7K100 Hard Disk Drive Specification
125
Feature set
N/A
SMART self-test
SMART self-test
Streaming
Streaming
Streaming
SMART
Bytes
2
1
1
1
1
1
1
1
1
1
1
1
1
1
512
Type
Read Only
Ready Only
See Note
Read Only
Read Only
Read Only
Read Only
Read/Write
Offset
00h
02h
03h
04h
05h
40h
41h
42h
44h
45h
100h
101h
1FEh
1FFh