14 Barracuda 2LP Installation Guide, Rev. E
Characteristics ST31250 ST32550
Interface Fast SCSI-2
1
Fast SCSI-2
1
Capacity
Unformatted 1,205.3 Mbytes 2,541.3 Mbytes
Formatted
2
1,020.9 Mbytes 2,147.4 Mbytes
Recording
Cylinders (user) 3,711 3,510
Read/write data heads 5 11
Servo heads 1 1
Avg bytes/track 64,160 64,160
Seek time
3
Average read 8.0 msec 8.0 msec
Average write 9.0 msec 9.0 msec
Disc rotation
RPM 7,200 7,200
Average latency 4.17 msec 4.17 msec
Internal transfer rate 47.5 to 72.0 49.4 to 72.0
(Mbits/sec)
Max sync. SCSI transfer rate
N/ND 10 Mbytes/sec 10 Mbytes/sec
W/WD/WC/DC 20 Mbytes/sec 20 Mbytes/sec
Multi-segmented cache 512 Kbytes 512 Kbytes