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28 Elite 47 Installation Guide, Rev. B
Other applicable jumper options
Other option jumpers are available as illustrated below.
Figure 8. Additional jumper options
Immediate spinup (if the Start Command
option jumper is disconnected)
Spinup delay equal to the SCSI Bus ID
multiplied by 12 seconds (if the Start
Command option jumper is disconnected).
Spinup Delay Option (DS)
Pin 1
J4B
Start spindle according to the Spinup
Delay option jumper.
Start spindle after the SCSI Bus sends
a Start Unit command.
Start Command Option (ME)
Check the parity of data bytes read from
the SCSI Bus.
Ignore parity check.
SCSI Bus Parity Check (PD)
Reserved
J01
J4B
J4A
Pin 1
Pin 1