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46
Figure 17 illustrates ST11950N/ND and ST12550N/ND SCSI ID and option
select jumper connectors.
J4
11
SCSI ID = 0
SCSI ID = 1
SCSI ID = 2
SCSI ID = 3
SCSI ID = 4
SCSI ID = 5
SCSI ID = 6
SCSI ID = 7
Reserved
Parity Disable
Enable Motor Start
Delay Motor Start
Write Protect
Remote LED Connector
Reserved
Spindle Sync Cable Connector
Term. Power from Drive
*
Term. Power from SCSI Bus
*
Term. Power to SCSI Bus
Term. Power to SCSI Bus and Drive
*
*
Valid for single-ended ("N") drives only.
Figure 17. ST11950N/ND and ST12550N/ND jumper connectors
Barracuda 1 and 2 Product Manual, Rev. C
Pin 1
10
9
8
7
6
5
4
3
2
1
Pin 3
Pin 1
J01
Pin 2
Position 1
Position 2
Position 1
Position 2
Position 1
Position 2
Position 1
Position 2
SCSI
Connector
J01
J4
SSREF
Power
Connector
Pin 1
Pin 1
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