Seagate Elite 9 Installation Manual page 27

Elite 9 Installation Guide, Rev. B
J4A
SCSI I/O
Connector
J01
DC Power
Connector
Write Protect
Write Enable (factory setting)
Reserved
LED Connections
Connect the anode to the desired LED
connector and the cathode to the ground pin.
Active LED connector (+)
Ready LED connector (+)
Fault LED connector (+)
Ground (–)
Spinup Delay Option
Immediate spinup. Valid only if the Start Command
Option jumper is disconnected. (factory setting)
Spinup delay equal to the SCSI bus ID multiplied by 10 seconds.
Valid only if the Start Command jumper is disconnected.
Start Command Option
Start spindle according to the Spinup Delay Option jumper.
(factory setting)
Start spindle after the SCSI bus sends a Start Unit command.
SCSI Bus Parity Check
Check the parity of data bytes read from the
SCSI bus. (factory setting)
Ignore parity check.
Reserved.
Figure 7. Additional jumper options
J4B
J4A
Pin 1
J4B
Pin 1
25