Seagate ST34555N Installation Guide download pdf (Page 17)

Hawk 4XL Installation Guide, Rev. A 15

Table 1. Drive characteristics

Interface Ultra SCSI [1]

Capacity

Formatted [2] 4.55 Gbyte

Unformatted 6.5 Gbyte

Recording

Cylinders (user) 6,311

Read/write data heads 8

Access time [3]

Average read 10.1 msec

Average write 11.2 msec

Disk rotation

RPM 7,200 r/min

Average latency 4.17 msec

Internal transfer rate

(variable with zone) 92–140 Mbits/sec

Maximum synchronous SCSI transfer rate

N model 20 Mbytes/sec

W model 40 Mbytes/sec

Multi-segmented cache 480 Kbytes

[1] Can also be operated according to SCSI-1 and SCSI-2 protocols.

Referred to also as “SCSI Fast-20.”

[2] Standard factory units are formatted 512 data bytes per sector with

sparing equivalent to 118 spare sectors per six cylinder region.

Spares are located at the end of each sparing region.

[3] Includes controller overhead.

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Seagate ST34555N Installation Guide Page 17