Conner CFN250A specifications
Updated: 06/30/2020 by Computer Hope
Jumper settings
| SINGLE DRIVE | PRIMARY DRIVE | SECONDARY DRIVE |
|---|---|---|
| C AND D JUMPED | C AND D JUMPED | C AND D NOT JUMPED |
CMOS settings
| MODEL (CFS SERIES) | SIZE | CYL | HDS | SECT | WPCOMP | LZONE | Type |
|---|---|---|---|---|---|---|---|
| CFN250A | 250 MB | 489 | 16 | 63 | 0 | 489 | IDE |
Hard drive specifications
| Formatted capacity (MB=1,000,000): | 252.7 |
| Cylinders: | 1339 |
| Sectors: | 47-72 |
| Heads: | 6 |
| Disks: | 3 |
| Buffer size: | 32 KB, segmented, adaptive |
| Average seek: | 12 ms |
| Single track: | 2.6 ms |
| Rotation speed/avg. latency | 4500 RPM / 6.7ms |
| Transfer rate to/from media: | 18-28 MB/Sec |
| Transfer rate to/from buffer: | 8.0 MB/Sec |
| TPI | 2611 tracks per inch |
| BPI | 58,230 bits per inch |
| Size: | 0.770" Height x 4.0" Wide x 2.75" Depth |
| Weight: | 6 oz. |
Power requirements
| +12 Volts | +5 Volts | Power | |
| Read/write | N/A | 275 ma | 1.4 W |
| Seek | N/A | 210 ma | 1.1 W |
| Idle | N/A | 200 ma | 1.0 W |
| Standby | N/A | 40 ma | 0.20 W |
| Sleep | N/A | 40 ma | 0.20 W |
| Spin up (7 seconds) | N/A | 1.0 amp | N/A |