14 | ST12450W/WD Installation Guide, Rev. B | |
Characteristics | ST12450W/WD | |
Interface |
| Fast & Wide |
Cache type |
|
|
1,024 Kbytes | ||
Capacity |
|
|
Unformatted | 2,437 Mbytes | |
Formatted2 |
| 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 time3 |
|
|
Average read | 8.0 msec | |
Average write | 9.0 msec | |
Disc rotation |
|
|
RPM |
| 7,200 |
Average latency | 4.17 msec | |
1Can also be operated according to
2Standard 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
3Not including