.............................................................................................. 1 What's in this manual ........................................................................................................... 2 You Must Notice................................................................................................................. 10 Before You Start .................................................................................................................11 Overview............................................................................................................................ 12 AK73 Series Comparison Table ......................................................................................... 13 Quick Installation Procedure .............................................................................................. 21 Motherboard Map............................................................................................................... 22 Block Diagram ................................................................................................................... 23 Block Diagram ................................................................................................................... 24 Hardware Installation............................................................................ 25 JP14 Clear CMOS.............................................................................................................. 26 CPU Installation ................................................................................................................. 27 FSB/PCI Clock & Ratio ...................................................................................................... 28 Setting CPU Frequency ..................................................................................................... 29   Supported CPU Frequency ................................................................................................ 30 CPU Overheat Protection................................................................................................... 33 CPU and Housing Fan Connector (With H/W Monitoring) .................................................. 35 Fansink on North Bridge .................................................................................................... 36 DIMM Socket ..................................................................................................................... 37 3.3V Main Power Adjustable .............................................................................................. 39 3.3V RAM Power LED........................................................................................................ 40 Front Panel Connector ....................................................................................................... 41 ATX Power Connector........................................................................................................ 43 AC Power Auto Recovery................................................................................................... 44 IDE and Floppy Connector ................................................................................................. 45 IrDA Connector .................................................................................................................. 48 WOM (Zero Voltage Wake on Modem)............................................................................... 49 WOL (Wake on LAN).......................................................................................................... 52 AGP (Accelerated Graphic Port) ........................................................................................ 54 AMR (Audio/Modem Riser) ................................................................................................ 55   PC99 Color Coded Back Panel .......................................................................................... 56 Support 2nd USB Port ......................................................................................................... 57 Onboard IEEE 1394 Controller........................................................................................... 58 JP12 Enable/Disable Onboard Sound ................................................................................ 59 CD Audio Connector .......................................................................................................... 60 Modem Audio Connector.................................................................................................... 61 Video-Audio-IN Connector ................................................................................................. 62 Front Panel Audio .............................................................................................................. 63 Battery-less and Long Life Design ..................................................................................... 64 Over-current Protection...................................................................................................... 65 Hardware Monitoring.......................................................................................................... 67 Resettable Fuse................................................................................................................. 68 JP30 Die-Hard BIOS (100% Virus Protection).................................................................... 69 GPO (General Purpose Output) Connector ........................................................................ 72 Dr. LED Connector............................................................................................................. 73 Dr. Voice ............................................................................................................................ 76   Low ESR Capacitor............................................................................................................ 78 Layout (Frequency Isolation Wall)...................................................................................... 80 Driver and Utility ................................................................................... 81 Autorun Menu from Bonus CD Disc ................................................................................... 82 Installing Windows 95 ........................................................................................................ 83 Installing Windows 98 ........................................................................................................ 84 Installing Windows 98 SE, Windows ME & Windows2000 .................................................. 85 Installing VIA 4 in 1 Driver ................................................................................................. 86 Installing Onboard Sound Driver ........................................................................................ 87 Installing Hardware Monitoring Utility................................................................................. 88 ACPI Suspend to Hard Drive.............................................................................................. 89 ACPI Suspend to RAM (STR) ............................................................................................ 96 AWARD BIOS .......................................................................................... 98 About BIOS Function Description... ................................................................................... 99 How To Use AwardTM BIOS Setup Program ..................................................................... 100 How To Enter BIOS Setup................................................................................................ 103   BIOS Upgrade.................................................................................................................. 104 Overclocking ........................................................................................ 106 VGA Card & Hard Disk..................................................................................................... 107 Glossary ............................................................................................... 108 AC97................................................................................................................................ 108 ACPI (Advanced Configuration & Power Interface) .......................................................... 108 AGP (Accelerated Graphic Port) ...................................................................................... 109 AMR (Audio/Modem Riser) .............................................................................................. 109 AOpen Bonus Pack CD.................................................................................................... 109 APM (Advanced Power Management)...............................................................................110 ATA (AT Attachment).........................................................................................................110 ATA/66 ..............................................................................................................................110 ATA/100 ............................................................................................................................110 BIOS (Basic Input/Output System) .................................................................................... 111 Bus Master IDE (DMA mode) ............................................................................................ 111 CNR (Communication and Networking Riser) ................................................................... 111   CODEC (Coding and Decoding)........................................................................................112 DDR (Double Data Rated) SDRAM ...................................................................................112 DIMM (Dual In Line Memory Module)................................................................................112 DMA (Direct Memory Access) ...........................................................................................113 ECC (Error Checking and Correction) ...............................................................................113 EDO (Extended Data Output) Memory ..............................................................................113 EEPROM (Electronic Erasable Programmable ROM) .......................................................114 EPROM (Erasable Programmable ROM) ..........................................................................114 EV6 Bus ............................................................................................................................114 FCC DoC (Declaration of Conformity) ...............................................................................115 FC-PGA (Flip Chip-Pin Grid Array) ...................................................................................115 Flash ROM........................................................................................................................115 FSB (Front Side Bus) Clock ..............................................................................................116 I2C Bus..............................................................................................................................116 IEEE 1394.........................................................................................................................117 Parity Bit ...........................................................................................................................117   PBSRAM (Pipelined Burst SRAM).....................................................................................118 PC-100 DIMM ...................................................................................................................118 PC-133 DIMM ...................................................................................................................118 PC-1600 or PC-2100 DDR DRAM .....................................................................................118 PCI (Peripheral Component Interface) Bus .......................................................................119 PDF Format ......................................................................................................................119 PnP (Plug and Play)..........................................................................................................119 POST (Power-On Self Test) ............................................................................................. 120 RDRAM (Rambus DRAM) ...... ...