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14 Elite 9 Installation Guide, Rev. B
Characteristics of ST410800 drives
N/ND W/WD
SCSI-2 Interface
1
Fast Fast & Wide
Multi-segmented cache
Physical 1,024 Kbytes 1,024 Kbytes
Available to user 960 Kbytes 960 Kbytes
Capacity
Unformatted 10,800 Mbytes 10,800 Mbytes
Formatted
2
9,090 Mbytes 9,090 Mbytes
Recording
Cylinders (user accessible) 4,925 4,925
Read/Write heads 27 27
Modulation RLL 1,7 code RLL 1,7 code
SCSI rates
Max burst transfer 10 Mbytes/sec 20 Mbytes/sec
Seek time
3
Average read 11 msec 11 msec
Average write 12 msec 12 msec
Disc rotation
RPM 5,400 5,400
Average latency 5.55 msec 5.55 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.