Hitachi DK23DA-20F - Product Specifications; 1.0 General

K6602705
Rev.3
08.20.01
- 9 -
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.
Capacity
Model (Formatted) Height Interface
DK23DA-40F 40.007 GB 9.5 mm ATA-5(IDE)
DK23DA-30F 30.005 GB 9.5 mm ATA-5(IDE)
DK23DA-20F 20.003 GB 9.5 mm ATA-5(IDE)
DK23DA-10F 10.056 GB 9.5 mm ATA-5(IDE)
[Features]
-
GMR Head
-
ID-less Format
-
ME
2
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
2
(800G, 1ms, half-sine wave)
-
Operating Shock 1,764m/S
2
(180G, 2ms, half-sine wave)
-
MCC 2.5 inch Small Form Factor(9.5mm height)
[Identify Device Information for Setup]
Table 1.1 Identify Device information (Addressing)
Model Word 1
Number of CYL.
Word 3
Number of HD
Word 6
Number of SPT
Word 60､61
Total LBA
DK23DA-40F
16383 (
*1)
(3FFFh)
16
(0010h)
63
(3Fh)
78140160
(04A85300h)
DK23DA-30F
16383 (
*1)
(3FFFh)
16
(0010h)
63
(3Fh)
58605120
(037E3E40h)
DK23DA-20F
16383 (
*1)
(3FFFh)
16
(0010h)
63
(3Fh)
39070080
(02542980h)
DK23DA-10F
16383 (
*1)
(3FFFh)
16
(0010h)
63
(3Fh)
19640880
(012BB230h)
*1.
Maximum capacity in CHS mode is 8,455MB.