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50 Medalist Pro Installation Guide, Rev. B
W/LW drives
Other applicable jumper options
Other option jumpers are available as illustrated below.
Figure 15. Additional jumper options for W/LW drives
Enable parity check of
SCSI bus.
Disable parity check.
J2
Pin 1
Reserved
Parity Check option
Write protect = Off
(enables writing.
Write protect = On
(disables writing).
Write Protect option
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.
Delay Motor Start option
(valid only if the Enable
Motor Start jumper is
not connected)
Enable motor start. The
drive waits for the Start
Unit command from the
host before starting the
spindle motor.
Disable motor start
(default). The drive
starts according to the
Delay Motor Start option.
Motor Start option
Pin 1
End
SCSI I/O
Connector
Drive with
HDA up, PCB
down, viewed
from front
Pin 1
DC Power
Connector
J2
Drive Front
J6
J1
Pin 1
HDA
J6
A
2
A
3
A
1
A
0
Reserved
Remote
LED
L
E
D
R
E
S
Reserved
Shipped with cover installed.
Do not remove.
Do not install jumpers
on these four positions.
J6
Jumper Type
(enlarged to
show detail)
CATH
11
12
J2 Jumper Type
(enlarged to
show detail)
(default)
(default)
(default)
(default)