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Barracuda 4LP Installation Guide, Rev. B
Terminator power
There are three possible terminator power (TP) configurations
for "W" model drives (see Figure 14). 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 (TP) configurations for
"WD" model drives (see Figure 14).
"W" model drives
Term. Power from Drive
Term. Power to SCSI Bus
Term. Power from SCSI Bus
"WD" model drives
Term. Power to SCSI Bus
Host adapter or other device provides
term. power to external terminator.
J2 Jumper Type
(enlarged to
show detail)
Figure 14. Setting terminator power jumpers
J2
T
D
E
S
Position A
J6
Drive
Front
W/WD drives
Pin 1
R
M
W
P
E
T
T
E
P
D
S
P
P
(default)
(default)
J2
SCSI I/O
J1
Connector
DC Power
Connector
43
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