Seagate BARRACUDA 9 Przewodnik Instalacji Pobierz pdf (Strona 14)

12 Barracuda 9 Installation Guide, Rev. A

Characteristics ST19171

Interface UltraSCSI

Capacity

Unformatted 11.7 Gbytes

Formatted

9.1 Gbytes

Recording

Cylinders (user) 5,273

Read/write data heads 20

Servo heads Embedded

Seek time

Average read 9.0 msec

Average write 10.5 msec

Disc rotation

RPM 7,200

Average latency 4.17 msec

Internal transfer rate 80 to 124

(Mbits/sec, variable with zone)

Max sync. SCSI transfer rate

N 20 Mbytes/sec

W/WD/WC/DC 40 Mbytes/sec

Multi-segmented cache 512 Kbytes

2,048 Kbytes (optional)

Can also be operated according to SCSI-1 and SCSI-2 proto-

cols.

Standard factory units are formatted as follows:

512 data bytes per sector

9 spare sectors per cylinder

1 cylinder at the inner track reserved for spares

Not including on-board controller overhead.

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 43 44

Brak uwag

Seagate BARRACUDA 9 Przewodnik Instalacji Strona 14