User`s manual
AIMB-240 Series 
6 AIMB-240 Series User’s Manual 
Contents 
1.  Getting Started..........................................................................................................10 
1.1  Safety Precautions..................................................................................................10 
1.2  Packing List.............................................................................................................10 
1.3  Document Amendment History ...............................................................................11 
1.4  Manual Objectives...................................................................................................12 
1.5  System Specifications.............................................................................................13 
1.6  Architecture Overview.............................................................................................16 
1.6.1  Block Diagram................................................................................................................................16 
1.7  Architecture Overview.............................................................................................17 
1.6.2  Block Diagram................................................................................................................................17 
1.6.3  Intel 852GME and ICH4................................................................................................................. 18 
1.6.4  DRAM Interface (Intel 852GME) .................................................................................................... 20 
1.6.5  PCI Interface .................................................................................................................................. 20 
1.6.6  IDE Interface (Bus Master Capability and Synchronous DMA Mode ) .......................................... 20 
1.6.7  USB 2.0.......................................................................................................................................... 21 
1.6.8  Realtek
TM
 ALC655 supports 5.1CH AC97 Audio ........................................................................... 21 
1.6.9  Chrontel CH7009A TV/DVI Transmitter ......................................................................................... 23 
1.6.10  Ethernet...................................................................................................................................... 23 
1.6.11  Winbond W83627HF.................................................................................................................. 24 
1.6.12  Compact Flash Interface............................................................................................................ 24 
2.  Hardware Configuration...........................................................................................25 
2.1  Product Overview....................................................................................................26 
2.2  Installation Procedure .............................................................................................27 
2.2.1  Processor Installation..................................................................................................................... 27 
2.2.2  Main Memory.................................................................................................................................. 30 
2.3  Jumper....................................................................................................................32 
2.4  Setting Jumpers & Connectors ...............................................................................33 
2.4.1  Clear CMOS................................................................................................................................... 33 
2.4.2  Serial Port Connector (COM1)....................................................................................................... 33 
2.4.3  Serial Port Header (COM1_1)........................................................................................................ 34 
2.4.4  Serial Port Header RS-232/422/485 Select (COM2/COM2 RS).................................................... 35 
2.4.5  Serial Port Header (COM 3/4/5/6).................................................................................................. 36 
2.4.6  ATX Power Connector (ATXPWR)................................................................................................. 37 
2.4.7  ATX Power Connector (ATX12V)................................................................................................... 37 
2.4.8  CPU Fan Connector....................................................................................................................... 38 
2.4.9  System Fan Connector................................................................................................................... 38 










