Barracuda 9 Installation Guide, Rev. B

39

W/WD drives

Terminator power

There are three possible terminator power configurations for ST19171W drives (see Figure 12). You will not normally need to change this option and can leave the drive configured as it was shipped from the factory.

There are two possible terminator power configurations for ST19171WD drives (see Figure 12).

Pin 1

 

J2

R

ST19171W

 

T D M W P E T T

 

E S E P D S P P

Term. Power from Drive (default)

Term. Power to SCSI Bus

Term. Power from SCSI Bus

ST19171WD

Position A

Term. Power to SCSI Bus (default)

Host adapter or other device provides term. power to external terminator.

 

J6

J2

 

SCSI I/O J1

 

 

 

 

Connector

 

Drive

 

J2 Jumper Type

Front

 

 

DC Power

(enlarged to

 

show detail)

 

Connector

Figure 12. Setting terminator power jumpers

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Seagate ST19171DC, ST19171N, ST19171WD, ST19171WC manual