4.0Performance characteristics
4.1Internal drive characteristics (transparent to user)
| ST3300007 | ST3146707 | ST373207 |
|
Drive capacity | 300.0 | 146.8 | 73.4 | GByte (formatted, rounded off values) |
Read/write heads | 8 | 4 | 2 |
|
Bytes/track | 556 | 556 | 556 | Kbytes (average, rounded off values) |
Bytes/surface | 50.5 | 50.5 | 50.5 | Gbytes (unformatted, rounded off values) |
Tracks/surface (total) | 90,774 | 90,774 | 90,774 | Tracks (user accessible) |
Tracks/inch | 105,000 | 105,000 | 105,000 | TPI |
Peak bits/inch | 658 | 658 | 658 | KBPI |
Internal data rate | 470 - 944 | 470 - 944 | 470 - 944 | Mbits/sec (variable with zone) |
Disc rotational speed | 10,000 | 10,000 | 10,000 | r/min |
Average rotational latency | 3.00 | 3.00 | 3.00 | msec |
4.2SCSI performance characteristics (visible to user)
The values given in Section 4.2.1 apply to all models of the Cheetah 10K.7 SCSI family unless otherwise spec- ified. Refer to Section 9.10 and to the SCSI Interface Product Manual for additional timing details.
Cheetah 10K.7 SCSI Product Manual, Rev. D | 11 |