44 Cheetah 9 Installation Guide, Rev. B
W/WD drives
Figure 12. Model “W” and “WD” drive alternate ID select
and LED connection
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
J1-DC Power
68 Pin
SCSI I/O Connector
J1
Pin 1
Pin 1
J1A [2][4]
J1A Pin 1
Pin 12
1P2P3P4P
SCSI Address A0
SCSI Address A1
SCSI Address A2
SCSI Address A3
No connection
+5V
Fault LED*
Vendor Unique*
Reserved
Activity LED*
Ground*
These pins are driven low for
250 ms after PWR ON or
RESET to allow jumper
selectable SCSI ID as shown
to the right.
*