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K8N
User Guide
Motherboard
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Checklist E1868 Revised Edition V2 January 2005 Copyright © 2005 ASUSTeK COMPUTER INC. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”). Product warranty or service will not be e
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Contents Notices ........................................................................................... vi Safety information ......................................................................... vii About this guide ............................................................................ viii Conventions used in this guide ........................................... viii Typography.......................................................................... viii K8N specifications sum
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Safeguards Contents Chapter 2: BIOS Information 2.1 Managing and updating your BIOS .................................... 2-2 2.1.1 Creating a bootable floppy disk ............................. 2-2 2.1.2 Using AFUDOS to update the BIOS ...................... 2-3 2.1.3 Using AFUDOS to copy BIOS from PC ................. 2-4 2.1.4 Using ASUS EZ Flash to update the BIOS ............ 2-5 2.1.5 Recovering the BIOS with CrashFree BIOS 2 ....... 2-6 2.2 BIOS Setup program ..............................
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Contents 2.6 Boot menu ........................................................................ 2-28 2.6.1 Boot Device Priority ............................................. 2-28 2.6.2 Hard Disk Drives .................................................. 2-29 2.6.3 Boot Settings Configuration ................................. 2-29 2.6.4 Security ................................................................ 2-30 2.7 Exit menu ......................................................................
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Notices Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: • This device may not cause harmful interference, and • This device must accept any interference received including interference that may cause undesired operation. The use of shielded cables for connection of the monitor to the graphics card is required to assure compliance with FCC regulations. Changes or modifications to this unit not ex
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Safety information Electrical safety •To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. • When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device. • Before connecting or removing signal cables from the motherboard, ensure that all power cable
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About this guide Conventions used in this guide To make sure that you perform certain tasks properly, take note of the following symbols used throughout this manual. WARNING: Information to prevent injury to yourself when trying to complete a task. CAUTION: Information to prevent damage to the components when trying to complete a task. IMPORTANT: Information that you MUST follow to complete a task. NOTE: Tips and additional information to aid in completing a task. Typography Bold text Indicates
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K8N specifications summary CPU Socket 754 for AMD Athlon™ 64 and AMD Sempron™ CPUs Supports AMD 64 architecture that enables simultaneous 32-bit and 64-bit computing Supports AMD Cool ‘n’ Quiet!™ Technology ® Chipset NVIDIA nForce™ 3 250 System Bus 800 MHz Memory 3 x 184-pin DDR DIMM sockets for up to 3GB unbuffered ECC and non-ECC PC3200/PC2700/PC2100/PC1600 SDRAM memory Expansion slots 1 x AGP 8X/4X 5 x PCI ® Storage NVIDIA nForce™ 3 250 supports: - 2 x Ultra ATA 133 connector - 2 x Serial ATA
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K8N specifications summary Internal I/O 2 x USB 2.0 connector for 4 additional USB ports CPU/Chassis/Power fan connectors 20-pin/4-pin ATX 12V power connectors Chassis intrusion connector CD/AUX connectors GAME/MIDI connector Front Panel connector BIOS features 4Mb Flash EEPROM AMI BIOS, PnP, DMI2.0, WfM2.0, Multi-Language BIOS, SM BIOS 2.3, ASUS EZ Flash, ASUS MyLogo2, ASUS CrashFree BIOS 2 PCI 2.2, USB 2.0 Industry standard Manageability WfM2.0, DMI 2.0, WOL by PME, WOR by PME, Chassis intrusi
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Chapter 1 This chapter describes the features of the motherboard. It includes brief descriptions of the motherboard components, and illustrations of the layout, jumper settings, and connectors. Product introduction
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1.1Welcome! ® Thank you for buying the ASUS K8N motherboard! The motherboard delivers a host of new features and latest technologies making it another standout in the long line of ASUS quality motherboards! The motherboard combines the powers of the AMD Athlon™ 64 or AMD ® Sempron™ processor with the NVIDIA nForce3 250 chipset to set a new benchmark for an effective desktop platform solution. Supporting up to 3GB of system memory with PC3200/PC2700/PC2100/PC1600 DDR SDRAM, high-resolution graphi
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1.3 Special features 1.3.1 Product Highlights Latest processor technology The motherboard supports the AMD Athlon™ 64 and AMD Sempron™ desktop processors. The AMD Athlon™ 64 is based on AMD’s 64-bit architecture, which represents the landmark introduction of the industry’s first x86-64 technology. This processor provides a dramatic leap forward in compatibility, performance, investment protection, and reduced total cost of ownership and development. The AMD Sempron™ is a 32-bit processor that p
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S/PDIF out The motherboard’s S/PDIF out function turns your computer into a high-end entertainment system with digital connectivity to powerful speaker systems. USB 2.0 technology The motherboard implements the new Universal Serial Bus (USB) 2.0 specification, extending the connection speed from 12 Mbps on USB 1.1 to a fast 480 Mbps on USB 2.0 - supporting up to eight USB 2.0 ports. The higher bandwidth of USB 2.0 allows connection of devices such as high resolution video conferencing cameras, n
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1.4 Before you proceed Take note of the following precautions before you install motherboard components or change any motherboard settings. 1. Unplug the power cord from the wall socket before touching any component. 2. Use a grounded wrist strap or touch a safely grounded object or to a metal object, such as the power supply case, before handling components to avoid damaging them due to static electricity. 3. Hold components by the edges to avoid touching the ICs on them. 4. Whenever you uninst
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1.5 Motherboard overview 1.5.1 Motherboard layout 24.5cm (9.6in) PS/2KBMS T: Mouse CPU_FAN B: Keyboard ATX12V SPDIF_O1 SPDIF_O2 COM1 USB1 USB2 USBPW12 USBPW34 USB2.0 Top: T: USB3 RJ-45 B: USB4 Top: Rear Surround L/R Middle: Side surround L/R Bottom: PWR_FAN Center/Subwoofer Top:Line In Center:Line Out SATA2 SATA1 Below:Mic In FP_AUDIO Accelerated Graphics Port (AGP) Audio Codec nVIDIA PCI1 nForce3 250 PCI2 R 4Mbit BIOS CHA_FAN PCI3 FLOPPY USBPW56 PCI4 USBPW78 Super CR2032 3V SB_PWR I/O K8N Lithi
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1.5.2 Placement direction When installing the motherboard, make sure that you place it into the chassis in the correct orientation. The edge with external ports goes to the rear part of the chassis as indicated in the image below. 1.5.3 Screw holes Place nine (9) screws into the holes indicated by circles to secure the motherboard to the chassis. Do not overtighten the screws! Doing so may damage the motherboard. Place this side towards the rear of the chassis R K8N ASUS K8N motherboard 1-7
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1.6 Central Processing Unit (CPU) 1.6.1 Overview The motherboard comes with a surface mount 754-pin Zero Insertion Force (ZIF) socket designed for the AMD Athlon™ 64 and AMD Sempron™ processors. The 128-bit-wide data paths of these processors can run applications faster than processors with only 32-bit or 64-bit wide data paths. ® K8N Gold Arrow K8N CPU Socket 754 Incorrect installation of the CPU into the socket may bend the pins and severely damage the CPU! 1-8 Chapter 1: Product introduction
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1.6.2 Installing the CPU Follow these steps to install a CPU. 1. Locate the 754-pin ZIF socket on the motherboard. 2. Unlock the socket by pressing the lever sideways, then lift it up to a 90°-100° angle. Socket Lever Make sure that the socket lever is lifted up to 90°-100° angle, otherwise the CPU does not fit in completely. 3. Position the CPU above the socket such that the CPU corner with the gold triangle matches the socket corner with a small triangle. 4. Carefully insert the CPU into the
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1.7System memory 1.7.1 DIMM sockets location The following figure illustrates the location of the DDR DIMM sockets. ® K8N K8N 184-pin DDR DIMM sockets Make sure to unplug the power supply before adding or removing DIMMs or other system components. Failure to do so may cause severe damage to both the motherboard and the components. 1.7.2 Memory configurations You may install 64MB, 128MB, 256MB, 512MB, and 1GB DDR DIMMs into the DIMM sockets using the memory configurations in this section. Importa
