
ATX Main board 
 
2 
 
Contents 
 
Safety Information ..........................................................................................................4
Technical Support ............................................................................................................5
Conventions Used in This Guide....................................................................................5
Packing List.......................................................................................................................6
Revision History ...............................................................................................................7
Specifications Summary..................................................................................................8
Block Diagram.................................................................................................................10 
Production Introduction ...............................................................................................12 
1.1 Before you Proceed ................................................................................................12 
1.2 Motherboard Overview............................................................................................13 
1.2.1 Placement Direction....................................................................................................................... 13 
1.2.2 Screw Holes................................................................................................................................... 13 
1.3 Motherboard Layout................................................................................................14 
1.3.1 Layout Content List ........................................................................................................................ 15 
1.4 Central Processing Unit (CPU)................................................................................17 
1.4.1 Installing the CPU........................................................................................................................... 18 
1.4.2 Installing the CPU Heatsink and Fan.............................................................................................20 
1.4.3 Uninstalling the CPU Heatsink and Fan......................................................................................... 22 
1.5 System Memory......................................................................................................24 
1.5.1 DIMM Sockets Location ................................................................................................................. 24 
1.5.2 Memory Configurations.................................................................................................................. 25 
1.5.3 Installing a DIMM............................................................................................................................ 30 
1.5.4 Removing a DIMM.......................................................................................................................... 31 
1.6 Expansion Slots ......................................................................................................32 
1.6.1 Installing an Expansion Card ......................................................................................................... 32 
1.6.2 Configuring an Expansion Card..................................................................................................... 32 
1.6.3 Standard Interrupt Assignments..................................................................................................... 33 
1.6.4 PCI Slots ........................................................................................................................................ 34 
1.6.5 PCI Express X16 Slot..................................................................................................................... 34 
1.6.6 PCI Express X4 Slot....................................................................................................................... 34 
1.7 Jumpers..................................................................................................................35 
1.7.1 Clear RTC RAM (CLRTC).............................................................................................................. 35 
1.7.2 Keyboard Power (KBPWR)............................................................................................................ 36 
1.8 Connectors..............................................................................................................37 
1.8.1 Rear Panel Connectors.................................................................................................................. 37 
1.8.2 Internal Connectors........................................................................................................................ 40