Compaq AP500 User Manual
Page 150
7-17
Compaq Professional Workstation AP500 Maintenance and Service Guide
Table 7-14
10-GB Ultra ATA Hard Drive (7200 RPM)
Drive Configuration
Drive Performance
User capacity
10.0-GB
Spin-up time (power on to not busy)
Typ. = 18 seconds
Max = 31 seconds
Data cylinders
Physical
Logical
13097
16383
Spin-down time
Typ. = N/A
Max = 20 seconds
Data heads
Physical
Logical
7
16
Seek times (busy to seek complete)
Single track read (ms)
Average read (ms)
Full stroke read (ms)
Typ. = 1.7; Max = 2.4
Typ. = 8.5; Max = 9.5
Typ. = 15.0; Max = 18.0
Sectors per track
Physical (ID or OD)
Logical
165 to 264
63
Average latency, maximum
4.17 ms
Max LBA
19,541,087
Data transfer rate
Disk to buffer (ID or OD)
Interface:
92.2 to 163.7 MB/s
Total number of LBAs
19,541,088
PIO mode 4, DMA mode 2
Ultra DMA mode 2
16.7 MB/s
33.3 MB/s
Data bytes per sector
512
RPM
7200 + 0.1 %
Sector interleave
1:1
Number of ECC bytes
returned on RL/WL
command
34
Recording method
16/17 PRML
NOTE: Drive performance may vary slightly depending upon the vendor.