Seagate ST19101N/W/WC/WD/DC Car Video System User Manual


 
Cheetah 9 Installation Guide, Rev. B 47
W/WD drives
Other applicable jumper options
Other option jumpers are available as illustrated below.
Figure 15. Additional jumper options
T
E
D
S
M
E
W
P
P
D
R
E
S
T
P
2
T
P
1
J2
SCSI I/O
Connector
DC Power
Connector
J2
Pin 1
Drive
Front
J6
J1
Pin 1
Pin 2
J2 Jumper
(enlarged to 
show detail)
Enable parity check of SCSI bus (default).
Disable parity check.
Reserved
Parity Check option
Write protect = Off (enables writing – default).
Write protect = On (disables writing).
Write Protect option
Disable the Delay Motor Start option (default).
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