Seagate barracuda 9 st19171wd Manual Do Utilizador

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Barracuda 9 Installation Guide, Rev. A
31
N drives
Other applicable jumper options
Several other jumper options are available as illustrated.
Figure 8.
Additional jumper options
Enable parity check of 
SCSI bus (default).
Disable parity check.
J2
Pin 1
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
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
A2 A1 A0
Reserved
Remote
LED
L
E
D
R
E
S
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)