Seagate ST12550N/ND/W/WD, ST11950N/ND/W/WD manual Setting the Scsi ID on N- and ND-type drives

ST11950 and ST12550 Installation Guide, Rev. D 21

Also check your system or controller user’s manual to ensure that you have not violated its SCSI ID numbering recommendations.

SCSI
Connector
DC Power	J01
Connector
	Pin 1
	J4
	ID1
ID2	ID0

Select SCSI ID by placing jumpers as shown below. J4

SCSI ID = 0

SCSI ID = 1

SCSI ID = 2

SCSI ID = 3

SCSI ID = 4

SCSI ID = 5

SCSI ID = 6

SCSI ID = 7

Figure 3. Setting the SCSI ID on N- and ND-type drives