User`s guide

2-10 General Description
Mother Board
External
connectors
REAR
FRONT
1 Power connector
2 Unused connector
3 USB Floppy Disk Drive connector
4 USB connector (front)
5 SATA DVD connector
6 SATA HDD connector
Used only when 3.5-inch SATA2 hard disk drive is installed.
7 Fan connector
8 Option COM connector
9 HDD BP connector
10 Unused jumper switch
11 CMOS clear jumper switch
12 Password clear jumper switch
13 RAID configuration jumper switch
With 2.5-inch disk model, leave the factory setting as is.
14 Lithium battery
15 Connector for PCI riser card slot (for low-profile board)
16 Connector for PCI riser card slot (for full-height board)
(See Chapter 9 for available
boards.)
17 Connector for RAID controller
18 USB memory module connector
19 Front panel connector
20 Front video connector
21 DIMM sockets
22 Processor sockets
22-1 Processor #1 (CPU#1) 22-2 Processor #2 (CPU#2)