14
ST12450W/WD Installation Guide, Rev. B
Characteristics
ST12450W/WD
Interface
Fast & Wide SCSI-2
1
Cache type
Multi-segmented
1,024 Kbytes
Capacity
Unformatted
2,437 Mbytes
Formatted
2
1,849 Mbytes
Recording
Cylinders (user accessible)
2,710
Heads (physical)
18
Heads (logical)
9
Modulation
RLL 1,7 code
SCSI rate
Max burst transfer
20 Mbytes/sec
Seek time
3
Average read
8.0 msec
Average write
9.0 msec
Disc rotation
RPM
7,200
Average latency
4.17 msec
1
Can also be operated according to SCSI-1 protocol.
2
Standard factory units are formatted as follows:
512 data bytes per sector
9 spare sectors per cylinder
1 cylinder at the inner track reserved for spares
3
Not including on-board controller overhead.
Содержание 2HP ST12450W/WD
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