Seagate ST3300655LW Product Manual page 48

Drive HDA (rear view, PCB facing downward)
68 Pin
SCSI I/O Connector
J1
[4]
Dashed area is optional host circuitry (external to the
drive) connected to host supplied optional usage plug.
Figure 10. J5 jumper header (on LW models only)
42
Pin 1 +5V Ground
SCSI ID = 0
SCSI ID = 1
SCSI ID = 2
SCSI ID = 3
SCSI ID = 4
SCSI ID = 5
SCSI ID = 6
SCSI ID = 7
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
Reserved
Host
N.C.
Alternate
11 9 7 5 3 1
Usage Plug
[4]
+5V 12 10 8 6 4 2
N.C.
+5V
Ground
Drive Activity LED
J5 [1] [2]
Pin 1
4P 3P 2P
[2] J1-DC Power
(default)
For ID selection use
jumpers as shown or
connect a cable for
remote switching as
shown below.
A 0
Pins 1, 3, 5, and 7 are
optional connections to
switching circuits in host
equipment to establish
drive ID.
A 0 A 1 A 2 A 3
Remote Switches
Pins 2, 4, 6, and 8 are
normally not grounded.
They are driven low (ground)
for 250 ms after a Reset
or PWR ON to allow drive to
read SCSI ID selected.
Cheetah 15K.5 SCSI Product Manual, Rev. D
1P
PCB