Cheetah 9 Installation Guide, Rev. B 49
WC/DC drives
Applicable jumper options
Option jumpers are available as illustrated below.
Figure 16. Jumper options
Enable parity check of SCSI bus
(default).
Disable parity check.
Parity Check option
Write protect = Off
(enables writing – default)
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
SCSI I/O
Connector
DC Power
Connector
J2
Drive
Front
J6
J1
J2 Jumper Type
(enlarged to
show detail)
Pin 1
J2