Conner CFA1275A specifications

Updated: 06/30/2020 by Computer Hope

Hard drive

Jumper settings

SINGLE DRIVE PRIMARY DRIVE SECONDARY DRIVE
C AND D JUMPED C AND D JUMPED C AND D NOT JUMPED

A/C out when primary or secondary with non-CFA/CFA Conner drives (except CP30254 and CP30344). A/C in with CFA/CFS and all other drives.

CMOS settings

MODEL (CFS SERIES) SIZE CYL HDS SECT WPCOMP LZONE Type
CFA1275A 1.2 GB 2479 64 63 0 2479 IDE

Hard drive specifications

Formatted capacity (MB=1,000,000): 1275
Cylinders: 3665
Sectors: 80-144
Heads: 6
Disks: 3
Buffer size: 256 KB, segmented, adaptive
Average seek: 12.0ms
Single track: 3.0ms
Rotation speed/avg. latency 4500 RPM / 6.7ms
Transfer rate to/from media: 3.4-5.76MB / sec
Transfer rate to/from buffer: 10.0 MB / sec
TPI N/A
BPI N/A
Size: 1.0" Height x 4.0" Wide x 5.75" Depth
Weight: 1.25 lbs.

Power requirements

+12 Volts +5 Volts Power
Read/write 170 ma 430 ma 4.2 W
Seek 270 ma 430 ma 5.6 W
Idle 170 ma 370 ma 3.9 W
Standby 0 ma 190 ma 1.0 W
Sleep 0 ma 190 ma 1.0 W
Spin up (7 seconds) 1200 ma 500 ma N/A