Seagate HAWK 2LP Family Installation Manual page 27

Hawk 2LP (Wide) Installation Guide, Rev. A
68 Pin
SCSI I/O +5V
Ground
Connector
Pin 1
J1
SCSI ID = 0
SCSI ID = 1
SCSI ID = 2
SCSI ID = 3
SCSI ID = 4
SCSI ID = 5
SCSI ID = 6
SCSI ID = 7
[3]
SCSI ID = 8
SCSI ID = 9
SCSI ID = 10
SCSI ID = 11
SCSI ID = 12
SCSI ID = 13
SCSI ID = 14
SCSI ID = 15
A 3 A 2 A 1 A 0
11 9 7 5 3 1
[4] Host Alternate
Usage Plug:
8 6 4 2
+5V
Ground
Remote LED
[4] Dashed area is optional host circuitry (external to the drive)
connected to host supplied optional usage plug. Drive PCB
circuitry for Pin 8 includes a 150 series resistor.
Figure 3b. Drive configurator Hawk 2LP family
W/WD models
J1-Auxiliary Drive
Pin 1A HDA
J1-DC Power
[3]
4P 3P 2P 1P
PCB
Optional connections to switching circuits in host
equipment to establish drive ID. Pins 2, 4, 6, and
8 are driven low for 250 ms after PWR ON and
reset to allow jumper selectable SCSI ID.
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[4]