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"Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1683, 1685, 1687, 1688, and 1690
32-MB
128-MB 160-MB
64-MB
32-MB 96-MB
64-MB
64-MB 128-MB
64-MB
128-MB 192-MB
Diskette Drive
Diskette Drive
Diskette Size
Light
Height
3.5 in
None
.5" / 1.27 cm
Bytes per Sector:
Sectors per Track
High Density
Low Density
512
18 (1.44-MB) / 15 (1.2-MB)
9
Tracks per Side
High Density
Low Density
80 (1.44-MB) / 80 (1.2-MB)
80
Access Times
Track-to-Track (high/low)
Average (ms)
Setting Time (ms)
Latency Average
3 ms/6 ms
94 ms/174 ms
15 ms
100
Number of Read/Write Heads
2
Hard Drive
Hard Drives
6.4-GB 4.8-GB
Capacity Per Drive
6.4-GB 4.8-GB
Drive Type
65 65
Physical Configuration
Cylinders
Heads
Sectors per track
Bytes per sector
8647
6
240-250
512
8647
6
240-250
512
file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checked%20ok/NOTEBOOK...00%20SERIES%201683%201685%201687%201688%201690%201694/spec.html (9 of 12)6/27/2004 2:57:31 AM