Hard Disk Specifications - NEC PowerMate VP75 User Manual

B-6 Specifications

HARD DISK SPECIFICATIONS

Specifications for the hard disk drives are given in Table Appendix B -5.
Table Appendix B -5 Specifications for 540-MB and 1.275-GB Hard
Features
Physical Configuration
Formatted Capacity
Actuator Type
Number of Disks
Data Heads
Servo
Tracks per Inch (tpi)
Bytes per Block
Blocks per Drive
Dimensions (H x W x D)
Weight
Performance
Track-to-track
Average read
Average write
Average Latency
Rotation Speed
Data Rate Transfer
Buffer to host
Start/Stop Cycles
Interface
Disk Drives
540-MB
540 MB
Rotary
voice-coil
1
2
Embedded
3300 tpi
512
528,192
1.0 x 4.0 x
5.75 in.
1.2 lb
4.0 ms
2
11 ms
2
13 ms
6.67 ms
4500 rpm
6.0 MB/s
sustained)
11.0 MB/s (burst)
50,000 min
IDE
1.275-GB
1278 MB
Rotary
voice-coil
3
6
Embedded
3849 tpi
512
833,010
1.0 x 4.0 x
5.75 in.
1.35 lb
3.0 ms
11.0 ms
11.5 ms
6.67 ms
4500 rpm
3.9 to 6.9 MB/s
16.7 MB/s w/flow
control
40,000 min
IDE