0-1Contents Motherboard 4S648/4S648NMotherboard 4S648/4S648N1.1 Introduction ......................................................... 51. 4S648/4S648N Specifications ...........51.2 Package Contents ............................................... 61.3 Specifications and Features................................ 7CPU Processor ........................................................................... 7Chipset ........................................................................................ 7PCI .............................................................................................. 7Integrated LAN Controller (for 4S648N only) ........................... 7Universal Serial Bus .................................................................. 7WOL (Wake On LAN) ................................................................ 7Award BIOS ................................................................................ 8ATA 100/133 On Board .............................................................. 8PCI-Based AC 97 Digital Audio Processor ............................... 8AGP 4X/8X On Board ................................................................ 81.4 4S648/4S648N Layout Diagram...................... 101.5 CPU and CPU Fan Installation ......................... 121.5.1 CPU Installation with Socket 478 ................................... 121.5.2 CPU Fan Installation with P4 Fan Base ........................... 131.6 DDR SDRAM Installation............................... 14