Cheetah 73LP Product Manual, Rev. E 37

Figure 16. J5 jumper header (on LW/LWV models only)

SCSI ID = 8
SCSI ID = 9
SCSI ID = 10
SCSI ID = 11
SCSI ID = 12
SCSI ID = 13
SCSI ID = 14
SCSI ID = 15
A3A2A1
SCSI ID = 0 (default)
SCSI ID = 1
SCSI ID = 2
SCSI ID = 3
SCSI ID = 4
SCSI ID = 5
SCSI ID = 6
SCSI ID = 7
A0
J1-DC Power
68 Pin
SCSI I/O Connector
J1

J5

Pin 1

[1] [2]

Drive HDA (rear view, PCB facing downward)
[2]

Pin 1

PCB
1P2P3P4P

+5V Ground

[4]

Host

Alternate

Usage Plug

Pins 1, 3, 5, and 7 are
optional connections to
switching circuits in host
equipment to establish
drive ID.

Remote Switches

For ID selection use
jumpers as shown or
connect a cable for
remote switching as
shown below.
Dashed area is optional host circuitry (external to the
drive) connected to host supplied optional usage plug.
[4]
Reserved
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.
A0A1A2A3
1197531
12 10 8 6 4 2
+5V
Drive Activity LED
+5V
N.C.
N.C.
Ground