Hard Drives - Compaq AP500 Maintenance And Service Manual

7-14 Physical and Operating Specifications

Hard Drives

Capacity
Transfer rate
Media
Asynchronous
Synchronous
Seek time (typical)
Single track
Average
Full stroke
Disk rotation speed
Cylinders
Data heads/cylinder
Sectors/track
Buffer size
NOTE: Drive performance may vary slightly depending upon the vendor.
Table 7-11
4.3-GB Wide-Ultra SCSI Hard Drive
7200 rpm drive
4.3 GB
13.56 to 21.58 MB/s
5.0 MB/s
Up to 40.0 MB/s
2.0 ms (read)
7.5 ms (read)
15.0 ms (read)
7200 rpm
8420
5
165-264 (8 zones)
384 KB
10K rpm drive
4.3 GB
19 to 28.9 MB/s
10.0 MB/s
Up to 40.0 MB/s
0.8 ms (read)
5.4 ms (read)
<12.2 ms (read)
10K rpm
6962
6
167-254 (11 zones)
1024 KB