HP 6000 330s Owner's Manual page 40

Models 330S and 660S
HARD DISK DRIVE PERFORMANCE
Rotational speed:
Average seek time (including settling):
Average rotational delay:
Average time to transfer 1 kilobyte:
Average controller overhead time:
Total average transaction time:
Disk performance index:
HP Series 6000
4,002 rpm ±0.05%
16.5 ms
7.5 ms ± 0.5%
0.7 ms
<0.5 ms
25.1 ms
39.8 I/Os per second
l
lMaximum disk transactions per second, for
1
kilobyte transfers, less system
overhead. Refers to fundamental disk performance; true I/O rates are
application dependent and must take into account system overhead, including
the individual host computer system configuration specifications.
HARD DISK DRIVE TRANSFER RATE
Data transfer rate (synchronous burst):
Data transfer rate (asynchronous burst):
4.0 Megabytes per second
1.5 Megabytes per second
HARD DISK DRIVE FUNCTIONAL CHARACTERISTICS
Average spin-up time
(from start of spin-up to ready for access): 19 seconds
1-20 Mass Storage System