Group 1 and group 2 have the same configuration.
1
SCSI connector (external)
2
Configuration jumper pin
3
Battery (lithium battery)
4
Cooling fan connector
5
Power connector
6
IDE connector
7
Power switch connector
8
LED connector
9
SCSI connector (internal)
Chassis Board Layout
Rack-mount model
PCI module board
Backplane
Interface board
Clock board
Back panel
2-15