NEC Express5800/120Rg-2, User Manual, Page: 41 / 338

General Description 2-9
Mother Board
1 Main power connector
2 Lithium battery
3 CMOS clear jumper switch
4 Hard disk drive access lamp pin header
(Connect the LED relay cable of an additional SCSI/RAID controller.)
5 Remote management card socket
6 SCSI 1 connector
(for SCSI hard disk drives)
7 SCSI 2 connector (for backup file device)
8 Password clear jumper switch
9 Connectors for external device
10 PCI riser card slot
(For full-height boards. 100 MHz/64-bit, 3.3V, PCI-X)
11 PCI riser slot
(For only low-profile boards. 66MHz/64-bit, 3.3V, PCI-X)
12 DIMM sockets (for the interleave type)
(The sockets are called #6, #5, #4, #3, #2, and #1 sequentially from top.)
13 Processor sockets
13 -1 Processor #1 (CPU #1) 13 -2 Processor #2 (CPU #2)
14 Redundant fan jumper switch
1
2 3 4 5 6 7 8
10 11 12
FRONT
13 -1
14
REAR
13 -2
9