Hitachi DK23EA Specifications - Page 9

DK23CA-xxF indicates FDB Fluid Bering motor type, and DK23CA-xx indicates Ball Bering motor type. - 30 format

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1.0 General 1.1 Introduction The DK23CA series disk drives reach high capacities (30,005MB, 15,103MB and 7,501MB for 9.5mm height) in a 2.5 type form factor by applying the latest high-density recording technology. Model Names DK23CA-xxF indicates FDB (Fluid Bering) motor type, and DK23CA-xx indicates Ball Bering motor type. Model Capacity (Formatted) Height Interface DK23CA-30F/30 DK23CA-15 DK23CA-75 30,005 MB 15,103 MB 7,501 MB 9.5 mm 9.5 mm 9.5 mm ATA-5(IDE) ATA-5(IDE) ATA-5(IDE) [Features] - GMR Head - ID-less Format - ME2PRML 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) - 16.5 to 28.7 MB/sec - CDR (Constant Density Recording) - On-the-fly ECC Correction - Buffer: 2MB(DK23CA-30F/30)/512 KB(DK23CA-15/75) - Read-ahead Cache/Write Cache - Auto Read Reassign/Auto Write Reassign - SMART - Average Access Time 12 ms - Embedded Sector Servo - FDB Motor (DK23CA-30F)/Ball Bering Motor (DK23CA-30/15/75) - Rotary Actuator - Load/Unload Mechanism - 95 grams(DK23CA-30F/30)/91 grams(DK23CA-15/75) - Low Power Consumption: 0.65W(130mA) at Idle mode, 0.25W(50mA) at Standby mode - Advanced Power Management(APM) - Non-operating Shock 7,840m/S2(800G, 2ms, half-sine wave) - Operating Shock 1,764m/S2(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 Word 3 Word 6 Word 60Ŋ61 Number of CYL. Number of HD Number of SPT Total LBA DK23CA-30F/30 16383 16 63 58605120 (3FFFh) (0010h) (3Fh) (037E3E40h) DK23CA-15 16383 16 63 29498112 (3FFFh) (0010h) (3Fh) (01C21B00h) DK23CA-75 15504 (*1) 15 63 14651280 (3C90h) (000Fh) (3Fh) (00DF8F90h) *1. Maximum capacity in CHS mode is 8,455MB. K6602637 Rev.3 02.27.01 - 9 -

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K6602637
Rev.3
02.27.01
- 9 -
1.0 General
1.1 Introduction
The DK23CA series disk drives reach high capacities (30,005MB, 15,103MB and 7,501MB for 9.5mm
height) in a 2.5 type form factor by applying the latest high-density recording technology. Model Names
DK23CA-xxF indicates FDB (Fluid Bering) motor type, and DK23CA-xx indicates Ball Bering motor type.
Capacity
Model
(Formatted)
Height
Interface
DK23CA-30F/30
30,005 MB
9.5 mm
ATA-5(IDE)
DK23CA-15
15,103 MB
9.5 mm
ATA-5(IDE)
DK23CA-75
7,501 MB
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)
- 16.5 to 28.7 MB/sec
-
CDR (Constant Density Recording)
-
On-the-fly ECC Correction
-
Buffer: 2MB(DK23CA-30F/30)/512 KB(DK23CA-15/75)
-
Read-ahead Cache/Write Cache
-
Auto Read Reassign/Auto Write Reassign
-
SMART
-
Average Access Time 12 ms
-
Embedded Sector Servo
-
FDB Motor (DK23CA-30F)/Ball Bering Motor (DK23CA-30/15/75)
-
Rotary Actuator
-
Load/Unload Mechanism
-
95 grams(DK23CA-30F/30)/91 grams(DK23CA-15/75)
-
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, 2ms, 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
DK23CA-30F/30
16383
(3FFFh)
16
(0010h)
63
(3Fh)
58605120
(037E3E40h)
DK23CA-15
16383
(3FFFh)
16
(0010h)
63
(3Fh)
29498112
(01C21B00h)
DK23CA-75
15504
(
*1)
(3C90h)
15
(000Fh)
63
(3Fh)
14651280
(00DF8F90h)
*1.
Maximum capacity in CHS mode is 8,455MB.