Seagate ST31276A Spezifikationen PDF herunterladen (Seite 7)

ST3144 Family Installation Guide, Rev. D

Master/Slave configuration.

The table below defines jumper

settings for configuring

up to

two drives on a single AT bus,

Refer to Figure 1 for jumper locations.

System Configuration

Jumper

Master

Slave Present

Only drive in system

Installed

Removed

Drive l in a two-drive system

Installed

Drive 2 in a two-drive system

Removed

Drive Activity LED jumper.

If you install a jumper on pins 9

and 10 of the User Configuration jumper block, the drive

indicates activity to the system through a connector on the host

adapter or motherboard.

Attach the

40-pin

AT interface cable. A dual-drive system

requires a

40-pin

AT interface daisy-chain cable. Pin 20 has

been removed on the connector for keying purposes.

Most interface cables have a stripe on one side to designate

Make sure Pin

on the cable connector is aligned to Pin

on the drive connector and Pin

on the host connector. The

maximum cable length is 18 inches

(457

mm).

For systems without an embedded AT interface connector on

the motherboard, Seagate offers the

ST07A/ST08A

AT inter-

face host adapters.

Note.

To prevent improper pin alignment during installation, it

is recommended that the mating cable connector be keyed, by

inserting a plug into the Pin-20 location of the cable connector.

Attach a system power cable to

the

drive power

connec-

tor.

The ST31 44 family drives have both 3-pin and 4-pin power

connectors.

Mount the drive in the host system chassis.

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