Compaq AP500 - Manual (Page 147)

7-14 Physical and Operating Specifications
Hard Drives
Table 7-11
4.3-GB Wide-Ultra SCSI Hard Drive
7200 rpm drive 10K rpm drive
Capacity 4.3 GB 4.3 GB
Transfer rate
Media 13.56 to 21.58 MB/s 19 to 28.9 MB/s
Asynchronous 5.0 MB/s 10.0 MB/s
Synchronous Up to 40.0 MB/s Up to 40.0 MB/s
Seek time (typical)
Single track 2.0 ms (read) 0.8 ms (read)
Average 7.5 ms (read) 5.4 ms (read)
Full stroke 15.0 ms (read) <12.2 ms (read)
Disk rotation speed 7200 rpm 10K rpm
Cylinders 8420 6962
Data heads/cylinder 5 6
Sectors/track 165-264 (8 zones) 167-254 (11 zones)
Buffer size 384 KB 1024 KB
NOTE: Drive performance may vary slightly depending upon the vendor.