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Barracuda 9LP Installation Guide, Rev. E 53
WC drives
Applicable jumper options
Options available for all models are selected by jumpers as illus-
trated in Figures 17 through 19.
Figure 17. Jumper options for “WC” drives
Enable parity check of SCSI bus.
Disable parity check.
Parity Check option
Write protect = Off (enables writing)
Write protect = On (disables writing)
Write Protect option
The host system has complete control over
motor start functions. Do not install a jumper
on these pins.
Delay Motor Start option
The host system has complete control over
motor start functions. Do not install a jumper
on these pins.
Enable Motor Start option
R
E
S
D
S
M
E
W
P
P
D
R
E
S
R
E
S
R
E
S
Pin 1
J2
(default)
(default)
(default)
(default)
J2 Jumper Plug
(enlarged to
show detail)
J2
Drive
Front
J6