Seagate ST410800W/WD - Manual (Page 27)

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