Motherboard - NEC Express5800/R120b-2 User Manual

2-10 General Description

MOTHERBOARD

(1)
(21)
(22)-2
(22)-1
(21)
FRONT
(1) Power connector
(2) USB backup device connector
(3) Unused connector
(4) USB connector (front)
(5) SATA DVD connector
(6) SATA backup device connector
(7) SATA connector
(8) Fan connector
(9) Optional COM connector
(10) HDD BP connector
(11) Unused jumper switch
(12) Password clear jumper switch (see page 4-43)
(13) CMOS clear jumper switch (see page 4-43)
(14) Lithium battery
(15) Connector for PCI riser card slot (for low-profile card)
(16) Connector for PCI riser card slot (for full-height card)
(17) Connector for RAID controller
(18) USB memory module connector
(19) Front panel connector
(20) Front video connector
(21) DIMM (CPU) sockets (see page 9-27)
(22) Processor sockets
(22)-1 Processor #1 (CPU#1)
(2) (3)
(4) (5) (6)
(20) (19) (18)(15) (16)
(22)-2 Processor #2 (CPU#2)
(7) (8) (10) (9) (3)
(11) (12)
(17)
(See PCI Card on page
9-51.)
(13)
External
connectors
(see page
158)
REAR
(14)