NEC Express 5800/320Lc - Manual (Page 50)

2-16 General Description
PCI module board
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
9 LED connector
SCSI connector (internal)
Chassis Board Layout
Rack-mount model
Back panel
Interface board
Clock board
Backplane