K6610007
Rev.5
02.14.’03
- 9 -
1.0 General
1.1 Introduction
The DK23FB series disk drives reach high capacities (60/40/20GB for 9.5mm height) in a 2.5 type form
factor by applying the latest high-density recording technology.
Capacity
Model (Formatted) Height
Interface
DK23FB-60
60.011 GB
9.5 mm
ATA-5(IDE)
DK23FB-40
40.007 GB
9.5 mm
ATA-5(IDE)
DK23FB-20
20.003 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)
- 32.9 to 50.2 MB/sec (DK23FB-60/40), 30.0 to 45.5 MB/sec (DK23FB-20)
-
CDR (Constant Density Recording)
-
On-the-fly ECC Correction
-
Buffer:
8MB
-
Read-ahead Cache/Write Cache
-
Auto Read Reassign/Auto Write Reassign
-
SMART
-
Average Access Time 13 ms
-
Embedded Sector Servo
-
FDB(Fluid Dynamics Bearing) Motor
-
Rotary
Actuator
-
Load/Unload
Mechanism
-
95 grams (DK23FB-60/40), 91 grams (DK23FB-20)
-
Low Power Consumption: 0.85W(170mA) at Idle mode, 0.15W(30mA) at Standby mode
-
Advanced Power Management(APM)
-
Non-operating Shock 7,840m/S
2
(800G, 1ms, half-sine wave)
-
Operating Shock 2,450m/S
2
(250G, 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
DK23FB-60
16383 (
*1)
(3FFFh)
16
(0010h)
63
(3Fh)
117210240
(06FC7C80h)
DK23FB-40
16383 (
*1)
(3FFFh)
16
(0010h)
63
(3Fh)
78140160
(04A85300h)
DK23FB-20
16383 (
*1)
(3FFFh)
16
(0010h)
63
(3Fh)
39070080
(02542980h)
*1.
Maximum capacity in CHS mode is 8,455MB.