NEC POWERMATE V Service Manual page 183

C-2 Hard Disk Drive Specifications and Jumper Settings
Table C-1 Hard Disk Drive Specifications
540-MB
Features Hard Disk
Dimensions
Height 1.0 in. (25.4 mm)
Length 5.75 in. (146.2 mm)
Width 4.00 in. (101.6 mm)
Weight 0.85 lb. (383 gm)
Performance
Track-to-track seek 3.1 ms
Average seek 12 ms
Maximum seek 22 ms
Average Latency 5.56 ms
Rotation Speed 5400 rpm
Data Transfer Rate 8.4 MB/s max
(buffer to disk)
Data Transfer Rate 16.6 MB/s, Mode 4 PIO Mode 3
(buffer to host)
Start/Stop Cycles 40,000 min
Buffer Size 128 KB
Interface IDE
850-MB 1.2-GB
Hard Disk Hard Disk
1.0 in. (25.4 mm) 1.0 in. (25.4 mm)
5.75 in. (146.2 mm) 5.75 in. (146.2 mm)
4.00 in. (101.6 mm) 4.00 in. (101.6 mm)
1.0 lb (450 gm) 1.3 lb (585 gm)
4 ms 3 ms
10 ms 14 ms
23 ms 26 ms
6.67 ms 8.3 ms
4500 rpm 3600 rpm
45.4 MB/s max
16.6 MB/s, Mode 4 PIO Mode 4
DMA Mode 2
50,000 min 40,000 min
64 KB 64 KB
IDE IDE
1.6-GB
Hard Disk
1.0 in. (25.4 mm)
5.75 in. (146.2 mm)
4.00 in. (101.6 mm)
1.3 lb (585 gm)
3 ms
14 ms
28 ms
8.3 ms
3600 rpm
34.8 MB/s max
DMA Mode 2
40,000 min
64 KB
IDE