Seagate ST39173N/W/WD/LW/WC/LC ユーザーズマニュアル
Barracuda 9LP Installation Guide, Rev. E
49
W/WD drives
Terminator power
There are four 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.
“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).
“WD” model drives (see Figure 14).
Figure 14. Setting terminator power jumpers
Term. Power to SCSI Bus
Term. Power from Drive
(default)
“W” model drives
T
E
E
D
S
S
M
E
W
P
P
D
D
R
E
S
E
S
T
P
P
T
P
P
M
E
W
P
R
E
S
E
S
D
S
S
P
D
D
R
E
S
E
S
R
E
S
E
S
T
P
P
Host adapter or other device provides
term. power to external terminator.
term. power to external terminator.
Term. Power to SCSI Bus
(default)
“WD” model drives
Drive furnishes power both to its
own terminators and to SCSI bus
own terminators and to SCSI bus
Term. Power from SCSI Bus
Position A
Pin 1
J2
J2
Jumper Plug
(enlarged to
show detail)
show detail)
J2
Drive
Front
Front
J6