Seagate ST32272W Guía de instalación descargar pdf (Pagina 43)

Barracuda 4XL Installation Guide, Rev. B 41

N drives

Other applicable jumper options

Several other jumper options are available as illustrated.

Figure 10. Additional jumper options

Enable parity check of 

SCSI bus.

Disable parity check.

Pin 1

Reserved

Parity Check option

Write protect = Off 

(enables writing).

Write protect = On 

(disables writing).

Write Protect option

Disable the Delay Motor 

Start option.

Motor start delay equal 

to the SCSI ID multiplied 

by 12 seconds. For 

example, if the SCSI 

ID = 2, the drive starts 

in 24 seconds.

Delay Motor Start option 

(valid only if the Enable 

Motor Start jumper is 

not connected)

Enable motor start. The 

drive waits for the Start 

Unit command from the 

host before starting the 

spindle motor.

Disable motor start. 

The drive starts 

according to the 

Delay Motor Start option.

Motor Start option

Pin 1

End

SCSI I/O

Connector

Drive with

HDA up, PCB

down, viewed

from front

Pin 1

DC Power

Connector

Drive Front

Pin 1

HDA

Reserved

Remote

LED

L

E

R

E

R

E

Reserved

Shipped with cover installed.

Do not remove.

Do not install jumpers

on these four positions.

J6

Jumper Type

(enlarged to

show detail)

CATH

J2 Jumper Type

(enlarged to

show detail)

(default)

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 51 52

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Seagate ST32272W Guía de instalación Pagina 43

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