Seagate ST373455LC - Cheetah 73.4 GB Hard Drive Installation Manual page 45

Barracuda 18LP Installation Guide, Rev. B
Other applicable jumper options
Other option jumpers are available as illustrated in Figures 9 and
10.
Drive with
HDA up, PCB
down, viewed
from front
Reserved
Reserved
Remote
LED
Shipped with cover installed.
Do not remove.
Do not install jumpers
on these four positions.
Drive Front
DC Power
Connector
SCSI I/O
Connector
[1] See Figure 10 for this jumper position option for "LW" drives.
Figure 9. Additional jumper options for "LW" drives
Pin 1
HDA
J6
L R
E E
A 3 A 2 A 1 A 0
D S
11
12
CATH
J6
J6
Jumper Type
(enlarged to
show detail)
Pin 1
End
J2
Pin 1
J1
J2 Jumper Type
(enlarged to
show detail)
J2
Reserved
Delay Motor Start option
(valid only if the Enable
Motor Start jumper is
not connected)
Disable the Delay Motor
Start option.
Motor start delay equal
to the SCSI ID multiplied
by 12 seconds. For
example, if the SCSI
ID = 2, the drive starts
in 24 seconds.
Motor Start option
Disable motor start
(default). The drive
starts according to the
Delay Motor Start option.
Enable motor start. The
drive waits for the Start
Unit command from the
host before starting the
spindle motor.
Write Protect option
Write protect = Off
(enables writing.
Write protect = On
(disables writing).
Parity Check option
Enable parity check of
SCSI bus.
Disable parity check.
LW drives
Pin 1
[1]
(default)
(default)
(default)
(default)
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