Seagate ST410800W/WD Computer Hardware User Manual


 
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