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VIA Technologies KM400 Quick User Manual

Mainboard for amd socket a processor
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TRADEMARK
All products and company names are trademarks or registered
trademarks of their respective holders.
These specifications are subject to change without notice.
60000018KMX11
Quick User
Quick User 's 's 's 's 's
Quick User
Quick User
Quick User
G u i d e
G u i d e
G u i d e
G u i d e
G u i d e
G u i d e
G u i d e
G u i d e
G u i d e
G u i d e
KM400
KM400
KM400
KM400
KM400
VIA
VIA
VIA
VIA
VIA
for AMD Socket A processor
for AMD Socket A processor
for AMD Socket A processor
for AMD Socket A processor
for AMD Socket A processor
Manual Revision 1.1
mainboard
mainboard
mainboard
mainboard
mainboard
March 25, 2005

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Summary of Contents for VIA Technologies KM400

  • Page 1 G u i d e G u i d e G u i d e G u i d e G u i d e G u i d e G u i d e KM400 KM400 KM400 KM400 KM400 mainboard mainboard...

  • Page 2: Disclaimer Of Warranties

    DISCLAIMER OF WARRANTIES: THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE OF THE MANUFACTURER LIMITED WARRANTY. THE MANUFACTURER EXPRESSLY EXCLUDES ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, REGARDING ITS PRODUCTS; INCLUDING ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.

  • Page 3: Specification

    Processor Support Supports 462-pin Socket A for AMD Athlon XP processors with 266/333MHz Front Side Bus Chipset VIA KM400 + VT8237 Chipset - with VIA Unichrome Graphics core Main Memory 184-pin DDR DIMM sockets for PC2100/PC2700 (DDR266/333) DIMMs Supports up to 2GB memory size...

  • Page 4: Other Features

    Other Features Magic Health – a BIOS H/W monitoring utility for voltage, temperature and fan- speed sensing displayed during POST EZ Boot – A simple shortcut to select the boot device, e.g. hard drive, CD-ROM or floppy without entering CMOS setup Supports exclusive KBPO (Keyboard Power On) function Form Factor 244mm x 220 mm Micro-ATX size...

  • Page 5: Cpu Installation

    2. Setting up the mainbaord Before assembling the mainboard into the PC case we recommend you to perform. 1. CPU Installation 2. DDR Memory Insertion After the mainboard is fitted into the case, you may 3. Install Add-on VGA Or PCI cards 4.
  • Page 6 Step 3 Step 4 Install the cooling fan assembly. Close the socket by lowering and locking the actuation lever. • Installing without a cooling fan will cause CPU overheat and damage the CPU. • Apply heatsink thermal compound/paste to the CPU. 3.2 DDR Memory Insertion The mainboard accommodates two PC2100/PC2700 184-pin DIMMs (Dual In-line Memory Modules):...
  • Page 7 3.3 VGA and PCI card installation To install a VGA card into the AGP slot or a PCI expansion card: 1. Remove the bracket (on the PC case) for the slot you intend to use. 2. Firmly press down the card into the slot until it is completely seated. For an AGP card ensure the AGP slot clicker is locked as shown in the picture below.

  • Page 8: Internal Connectors

    3.4 Rear IO Port RJ-45 Parallel Port Line-in/Rear out (Light blue) PS/2 Mouse Line-out/Front out (Lime) PS/2 Mic-in/Center&Subwoofer (Pink) Keyboard VGA1 USB2.0 ports COM1 3.5 Internal Connectors...
  • Page 9 Connectors Figure Discriptions CPU / System Fan Power Connectors JCPU_FAN JCPU_FAN: The CPU must be kept cool by JSYS_FAN Ground Sense using a heatsink with fan assembly. +12V JSYS_FAN: Use this connector if you are installing an additional fan in the unit. Floppy Drive Connector IDE1 Primary/Secondary IDE Connector...
  • Page 10 Connectors Figure Discriptions CUSB3/CUSB4: Four USB2.0 header This mainboard includes 4 additional onboard CUSB3 USB ports. CUSB4 To use these additional USB ports, a USB bracket is required. Please contact your retailer for details. CFP: Case Front Panel Connector HD_LED This LED indicates hard drive activity.
  • Page 11 4. BIOS BIOS Setup When you start up the computer for the first time you need to enter the BIOS CMOS Setup Utility. Power on the computer and press <Del> key during POST (Power On Self Test). The BIOS CMOS SETUP UTILITY opens as shown below: <...

  • Page 12: Driver Installation

    Once the operating system has been installed, you need to install the drivers for the mainboard. Auto Installation Method 1 Selective Installation Method 2 [VIA KM400 SERIES] VIA SERVICE PACK 4_IN_1 Driver GRAPHICS Driver AC’97 AUDIO Driver VIA LAN Driver USB 2.0 Driver...

  • Page 13: Update Bios

    6. Update BIOS Download the xxxxx.EXE file corresponding to your model from our website to an empty directory on your hard disk or floppy. Run the downloaded xxxxx.EXE file and it will self extract. Copy these extracted files to a bootable floppy disk. Note: The floppy disk should contain NO device drivers or other programs.

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