Seagate BARRACUDA 2LP ST31250W/WD/WC/DC - Manual (Page 45)

J2
J4
J4
Pin 1
Pin 1 (front view of J4)
Pin 2
Pin 1
SCSI ID = 0
Fault LED pin (+)
SCSI ID = 1
Vendor Unique
SCSI ID = 2
SSREF (+)
SCSI ID = 3
Unit Active LED pin (+)
Enable termination
Ground
+5 volts
Not connected
Reserved
SCSI I/O
Connector
J5
Pin 1 Pin 1
Remote unit active
LED connector GND (cathode)
POS (anode)
Barracuda 2LP Installation Guide, Rev. E 43
Figure 14b. Additional jumper options
W/WD drives