General - Hitachi DK23DA-30F - 30 GB Hard Drive Specifications

1.0 General

1.1 Introduction
The DK23DA series disk drives reach high capacities (40GB,30GB,20GB and 10GB for 9.5mm height) in a
2.5 type form factor by applying the latest high-density recording technology.
Model
DK23DA-40F
DK23DA-30F
DK23DA-20F
DK23DA-10F
[Features]
- GMR Head
- ID-less Format
2
- ME PRML Read Channel
- Data Transfer Rate
(Host-Device)
-16.6 MB/sec: PIO mode-4/Multiword DMA mode-2
- 100 MB/sec: Ultra DMA mode-5
(Device-Buffer)
- 18.7 to 34.7 MB/sec
CDR (Constant Density Recording)
-
- On-the-fly ECC Correction
- Buffer: 2MB
- Read-ahead Cache/Write Cache
- Auto Read Reassign/Auto Write Reassign
- SMART
Average Access Time 13 ms
-
Embedded Sector Servo
-
FDB(Fruid Brting) Motor
-
- Rotary Actuator
- Load/Unload Mechanism
- 95 grams(DK23DA-40F/30F)/91 grams(DK23DA-20F/10F)
- Low Power Consumption: 0.65W(130mA) at Idle mode, 0.25W(50mA) at Standby mode
- Advanced Power Management(APM)
Non-operating Shock 7,840m/S
-
Operating Shock 1,764m/S
-
MCC 2.5 inch Small Form Factor(9.5mm height)
-
[Identify Device Information for Setup]
Model
DK23DA-40F
DK23DA-30F
DK23DA-20F
DK23DA-10F
*1. Maximum capacity in CHS mode is 8,455MB.
K6602705
Rev.3
08.20.01
Capacity
(Formatted)
40.007 GB
30.005 GB
20.003 GB
10.056 GB
2
(800G, 1ms, half-sine wave)
2
(180G, 2ms, half-sine wave)
Table 1.1 Identify Device information (Addressing)
Word 1
Number of CYL. Number of HD
16383 (*1)
(3FFFh)
16383 (*1)
(3FFFh)
16383 (*1)
(3FFFh)
16383 (*1)
(3FFFh)
Height
9.5 mm
9.5 mm
9.5 mm
9.5 mm
Word 3 Word 6
Number of SPT
16
(0010h)
16
(0010h)
16
(0010h)
16
(0010h)
- 9 -
Interface
ATA-5(IDE)
ATA-5(IDE)
ATA-5(IDE)
ATA-5(IDE)
Word 60 61
Total LBA
63 78140160
(3Fh) (04A85300h)
63 58605120
(3Fh) (037E3E40h)
63 39070080
(3Fh) (02542980h)
63 19640880
(3Fh) (012BB230h)