HP Compaq Presario,Presario 1500 Maintenance And Service Manual page 175

Specifications
Physical configuration
3
Cylinders
Heads
Sectors per
3
track
Bytes per sector
3
Buffer size
Disk rotational
speed
Transfer rate
Interface max
2
(MB/s)
Media (Mb/s)
2
System capability may differ.
3
Actual drive specifications may differ slightly.
Certain restrictions and exclusions apply. Consult the Compaq Customer
Support Center for details.
6–8
Hard Drives (Continued)
40 GB
22,784
4
293 to 560
512
2 MB
4200 rpm
66.6
3
109 to 203
Table 6-5
30 GB
25,800
2
398 to 731
512
512 KB
4200 rpm
100
155 to 256
Maintenance and Service Guide
20 GB
22,784
4
293 to 560
512
512 KB
4200 rpm
66.6
109 to 203