Hitachi DK23EB User Manual - Page 13

Specification Summary, 1 Principal Specifications, DK23EB-40 - 40 specification

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3.0 Specification Summary 3.1 Principal Specifications Table 3.1 Principal Specifications Specifications No. Item DK23EB-40 1 Capacity per drive (Formatted) 40.007 Capacity per sector 512 Disks 2 Heads 4 Cylinders 32,081 2 Seek time Average 13 *1 (Nominal Maximum 24 *1 value) Minimum 3 3 Average latency 5.6 Disk rotational speed 5,400 4 Recording density Max. 24.1 (612) Track density Recording method 2.48 (63.0) ME2PRML, ID-Less format 5 Interface ATA-5(IDE) Data transfer rate (Disk-Buffer) 27.8 - 44.1 Data transfer rate (Host-Buffer) Max. 16.6 (PIO mode 4/ Multiword DMA mode 2) Max. 100 (Ultra DMA mode 5) Buffer size 2,048 6 Power on - Ready *2 5 (Typical) *3 Sleep/Standby - Ready *2 3 (Typical) *3 7 Dimensions•W×H×D• 70W×9.5H×100D Units GB Bytes ms ms ms ms RPM Mbpm(kBPI) Mtpm(kTPI) MB/sec MB/sec MB/sec kB sec sec mm Weight (Approximate value) 8 DC Power Requirements *4 (Typical) 95 grams +5v ± 5% Ripple noise 100mvp-p or less - Start up *5 0.9 A(4.5W) - Idle *6 0.17 A(0.85W) - Low Power Active *7 0.35 A(1.75W) -Seek *8 0.45 A(2.25W) - Read/Write *9 0.40/0.42 A(2.0/2.1W) - Standby 0.03 A(0.15W) - Sleep 0.02 A(0.1W) K6602743 Rev.2 02.12.'02 - 13 -

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K6602743
Rev.2
02.12.’02
- 13 -
3.0 Specification Summary
3.1 Principal Specifications
Table 3.1
Principal Specifications
Specifications
No.
Item
DK23EB-40
Units
1
Capacity per drive (Formatted)
40.007
GB
Capacity per sector
512
Bytes
Disks
2
Heads
4
Cylinders
32,081
2
Seek time
Average
13
*1
ms
(Nominal
Maximum
24
*1
ms
value)
Minimum
3
ms
3
Average latency
5.6
ms
Disk rotational speed
5,400
RPM
4
Recording density
Max. 24.1 (612)
Mbpm(kBPI)
Track density
2.48 (63.0)
Mtpm(kTPI)
Recording method
ME
2
PRML, ID-Less format
5
Interface
ATA-5(IDE)
Data transfer rate (Disk-Buffer)
27.8 – 44.1
MB/sec
Data transfer rate (Host-Buffer)
Max. 16.6
MB/sec
(PIO mode 4/ Multiword DMA mode 2)
Max. 100 (Ultra DMA mode 5)
MB/sec
Buffer size
2,048
kB
6
Power on - Ready
*2
5 (Typical)
*3
sec
Sleep/Standby - Ready
*2
3 (Typical)
*3
sec
7
Dimensions
•
W
×
H
×
D
•
70W
×
9.5H
×
100D
mm
Weight (Approximate value)
95
grams
8
DC Power Requirements
*4
(Typical)
+
5v
±
5% Ripple noise
100mvp-p or less
- Start up
*5
0.9 A(4.5W)
- Idle
*6
0.17 A(0.85W)
- Low Power Active
*7
0.35 A(1.75W)
-Seek
*8
0.45 A(2.25W)
- Read/Write
*9
0.40/0.42 A(2.0/2.1W)
- Standby
0.03 A(0.15W)
- Sleep
0.02 A(0.1W)