A-4

System Cabling
L— Ultra wide SCSI Hard disk drives in internal bays
M— System board
N—I/O riser board
O—External narrow SCSI cable
P— External narrow SCSI device
Q—SCSI termin ator
R— Front panel connector
S— SCSI distribution panel
Figure A-2. Standard SCSI Bus Cable Routing
POWER
STATUS
DISK
POWER
RESET
A B C D E
A
B
C
D
E
Narrow SCSI
Cable (50 pins)
Ultra Wide SCSI
Cable (68-pins)
012
543
To HDD
SCSI Distribution Panel