Mass Storage - HP OmniBook 5000 Familiarization Manual

Mass storage

2.5" Hard Drive
Average seek
(read)
Track to track seek 3 ms
Full Track
Average latency
Rotational speed
Data transfer rate:
Media Transfer
rate
Buffer to host
Buffer size
Spindle start time
Reliability:
MTBF: Power-on
Hours
Unrecoverable
errors
Configuration:
2.5" Hard Drive
The hard disk drive can be removed by the user for easy upgrades. The hard drive
is located on the bottom case and with the removal of one screw the hard drive can
be replaced.
Hard drive manufacturer: IBM and Toshiba (subject to change without notice).
540MB 810 MB
AT Interface RLL ATA2 Interface
HDD (Toshiba) HDD (Toshiba)
Note: VL models
shipping 11/95
will have the
540MB option
12 ms 12 ms
3 ms
NA 25 ms
7.5 ms 7.1 ms
4000 rev/m 4200 rev/m
18.9-31.6 43.75 Mbits/sec
Mbits/sec (max.)
6 Mbytes/sec 11.1Mbytes/sec
128 Kbytes static 128Kbytes static
RAM RAM
5 sec (typical) 5 sec (typical)
300,000 hours 300,000 hours
1 in 1013 (bits) 1 in 1013 (bits)
540MB 810 MB
810 MB
ATA2 Interface
HDD (IBM)
Note: Current plan
is to dual source
the 810MB hard
drive, currently the
Toshiba 810 is the
major supplier
12 ms
4 ms
23 ms
6.1 ms
4900 rev/m
36.3 (inner), 57.0
(Outer) Mbits/sec
11.1Mbytes/sec
64KB (read and
write segmented
buffer)
NA
300,000 hours
1/1.0E 13 bits
transfer
810 MB
16
1,215MB
ATA2 Interface
HDD (IBM)
Note: Currently
the 1.2GB drive is
sole sourced from
IBM.
12 ms
4 ms
23 ms
6.1 ms
4900 rev/m
36.3 (inner), 57.0
(Outer) Mbits/sec
11.1Mbytes/sec
64KB (read and
write segmented
buffer)
NA
300,000 hours
1/1.0E 13 bits
transfer
1,215MB