Specification Summary; Principal Specifications - Hitachi DK23DA-30F - 30 GB Hard Drive Specifications

3.0 Specification Summary

3.1 Principal Specifications

No.
1 Capacity per drive (Formatted)
Capacity per sector
Disks
Heads
Cylinders
2 Seek time
(Nominal
value)
3 Average latency
Disk rotational speed
4 Recording density
Track density
Recording method
5 Interface
Data transfer rate (Disk-Buffer)
Data transfer rate (Host-Buffer)
Buffer size
6 Power on - Ready
Sleep/Standby - Ready *2
Dimensions W H D)
7
Weight (Approximate value)
8 DC Power Requirements *4
(Typical)
K6602705
Rev.3
08.20.01
Table 3.1 Principal Specifications
Item
DK23DA-
Average
Maximum
Minimum
*2
+5v
- Start up *5
- Idle *6
- Low Power Active *7
-Seek *8
- Read/Write *9
- Standby
- Sleep
Specifications
DK23DA-
40F 30F
40.007 30.005
2 2
4 3
Max. 600
2
ME PRML, ID-Less format
ATA-5(IDE)
18.7 – 34.7
Max. 16.6
(PIO mode 4/ Multiword DMA mode 2)
Max. 100 (Ultra DMA mode 5)
5 (Typical) *3
3 (Typical) *3
70W 9.5H 100D
95 95
5% Ripple noise
0.90 A(4.5W)
0.13 A(0.65W)
0.45 A(2.25W)
0.050 A(0.25W)
0.020 A(0.1W)
- 13 -
DK23DA- DK23DA-
20F
20.003
512
1
2
33,067
13 *1
25 *1
3
7.1
4,200
55.0
2,048
91
150mvp-p or less
0.33 A(1.65W)
0.40/0.40 A(2.0/2.0W)
Units
10F
10.056 GB
Bytes
1
1
ms
ms
ms
ms
RPM
kBPI
kTPI
MB/sec
MB/sec
MB/sec
kB
sec
sec
mm
91 grams