Seagate ST446452W Computer Drive User Manual


 
Elite 47 Installation Guide, Rev. B 15
Table 1: Drive characteristics
Interface Ultra SCSI
1
Capacity
Unformatted 62.6 Gbytes
Formatted
2
47.0 Gbytes
Recording
Cylinders (user) 9,996
Read/write data heads 28
Servo Embedded
Seek time (typical)
3
Average read 13.0 msec
Average write 14.0 msec
Disc rotation
r/min 5,357 +
0.5%
Average latency 5.60 msec
Internal transfer rate 125 to 185
(Mbits/sec, variable with zone)
Max sync. SCSI transfer rate 40 Mbytes/sec
Multi-segmented cache 4,096 Kbytes
1
SCSI-3 can also be operated according to SCSI-1 and SCSI-2
protocols.
2
Standard factory units are formatted as follows:
512 data bytes per sector
6 cylinders per region
82 spares per region
3
Not including on-board controller overhead.