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34 Barracuda 9 Installation Guide, Rev. B
N drives
Terminator power
There are three possible terminator power configurations for
ST19171N drives (see Figure 7). You will not normally need to
change this option and can leave the drive configured as it was
shipped from the factory.
Figure 7. Setting terminator power jumpers
Term. Power to SCSI Bus
Term. Power from Drive (default)
T
E
D
S
M
E
W
P
P
D
R
E
S
T
P
T
P
Term. Power from SCSI Bus
Position A
SCSI I/O
Connector
Pin 1
J2
DC Power
Connector
J2
Drive
Front
J6
J1
J2 Jumper Type
(enlarged to
show detail)