Figure 9A. Physical Interface For "N" Model Drives - Seagate ST39173N Product Manual

Barracuda 9LP Product Manual, Rev. C
SCSI I/O Connector
Figure 9a. Physical interface for "N" model drives
Pin 1
Pin 1
J1
J2
Pin Power
1P +12V
2P +12V ret
3P + 5V ret
4P + 5V
J1
4P 3P 2P 1P
DC Power
Connector
J6
53