AR-B7290
2
Contents
Safety Information
.......................................................................................................... 5
Technical Support
............................................................................................................ 6
Conventions Used in This Guide
.................................................................................... 6
Packing List
....................................................................................................................... 7
Revision History
............................................................................................................... 8
Specifications Summary
.................................................................................................. 9
Block Diagram
................................................................................................................. 12
Production Introduction
............................................................................................... 14
1.1
Before you Proceed
................................................................................................ 14
1.2
Motherboard Overview
............................................................................................ 15
1.2.1
Placement Direction ....................................................................................................................... 15
1.2.2
Screw Holes ................................................................................................................................... 15
1.3
Motherboard Layout
................................................................................................ 16
1.3.1
Layout Content List ........................................................................................................................ 17
1.4
Central Processing Unit (CPU)
................................................................................ 19
1.4.1
Installing the CPU ........................................................................................................................... 20
1.4.2
Installing the CPU Heatsink and Fan ............................................................................................. 23
1.5
System Memory
...................................................................................................... 26
1.5.1
DIMM Sockets Location ................................................................................................................. 26
1.5.2
Memory Configurations .................................................................................................................. 27
1.5.3
Installing a DDR2 DIMM ................................................................................................................. 28
1.5.4
Removing a DDR2 DIMM ............................................................................................................... 29
1.6
Expansion Slots
...................................................................................................... 30
1.6.1
Installing an Expansion Card ......................................................................................................... 30
1.6.2
Configuring an Expansion Card ..................................................................................................... 30
1.6.3
Standard Interrupt Assignments ..................................................................................................... 31
1.6.4
PCI Slot .......................................................................................................................................... 31
1.7
Jumpers
.................................................................................................................. 32
1.7.1
Clear CMOS (CLRTC) .................................................................................................................... 32
1.7.2
COM1 RI/+5V/+12V Selection (JCOMPWR1) ............................................................................... 33
1.7.3
COM2 RI/+5V/+12V Selection (JCOMPWR2) ............................................................................... 33