Seagate ST34555N/W ユーザーズマニュアル

Hawk 4XL Installation Guide, Rev. A

15

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.