24 | ST12450W/WD Installation Guide, Rev. B |
J4 Pin 1
J01
RES EDT PAR DMS
RES RES MTR WP
J4
Reserved (RES)
Reserved for future use.
Parity Check option (PAR)
Enable parity check of SCSI bus data.
Disable parity check of SCSI bus data (default).
Motor Start option (MTR)
Enable motor start. This makes the drive wait for the Start Unit command from the host before starting 
the spindle motor.
Disable motor start. This causes the drive to start according to the Delay Motor Start option setting as described below (default).
Delay Motor Start option (DMS)
(valid only if the Motor Start option is disabled)
Motor start delay equal to the SCSI ID multiplied by 10 seconds , plus 3 additional seconds max. For example, if the SCSI ID = 2, the drive will delay for 23 seconds before starting.
Disable the delay motor start option (default).
Write Protect option (WP)
Write Protect = On (disables writing).
Write Protect = Off (enables writing – default).