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®
A7V266-EX
JumperFree™ DDR DRAM
266MHz FSB AGP Pro/4X
Socket A Motherboard
USER’S MANUAL
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USER'S NOTICE 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”). ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WAR
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ASUS CONTACT INFORMATION ASUSTeK COMPUTER INC. (Asia-Pacific) Marketing Address: 150 Li-Te Road, Peitou, Taipei, Taiwan 112 Telephone: +886-2-2894-3447 Fax: +886-2-2894-3449 Email: info@asus.com.tw Technical Support MB/Others (Tel): +886-2-2890-7121 (English) Notebook (Tel): +886-2-2890-7122 (English) Desktop/Server (Tel):+886-2-2890-7123 (English) Fax: +886-2-2890-7698 Email: tsd@asus.com.tw WWW: www.asus.com.tw FTP: ftp.asus.com.tw/pub/ASUS ASUS COMPUTER INTERNATIONAL (America) Marketing Addre
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CONTENTS 1. INTRODUCTION ............................................................................. 7 1.1 How This Manual Is Organized ................................................... 7 1.2 Item Checklist .............................................................................. 7 2. FEATURES ........................................................................................ 8 2.1 ASUS A7V266-EX Motherboard ................................................ 8 2.1.1 Specifications
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CONTENTS 4.3.2 Keyboard Features ............................................................ 54 4.4 Advanced Menu ......................................................................... 56 4.4.1 Chip Configuration ........................................................... 60 4.4.2 I/O Device Configuration ................................................. 63 4.4.3 PCI Configuration ............................................................ 65 4.5 Power Menu .................................
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FCC & DOC COMPLIANCE Federal Communications Commission Statement This device complies with FCC Rules Part 15. 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. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provid
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1. INTRODUCTION 1.1 How This Manual Is Organized This manual is divided into the following sections: 1. INTRODUCTION Manual information and checklist 2. FEATURES Production information and specifications 3. HARDWARE SETUP Instructions on setting up the motherboard. 4. BIOS SETUP Instructions on setting up the BIOS 5. SOFTWARE SETUP Instructions on setting up the included software 6. SOFTWARE REFERENCE Reference material for the included software 7. APPENDIX Optional items and general reference
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2. FEATURES Specifications 2. FEATURES 2.1 ASUS A7V266-EX Motherboard The ASUS A7V266-EX motherboard is the perfect answer for home PCs, ® ™ workstations and servers. The A7V266-EX is powered by the AMD Athlon / ™ Duron processor and is bundled with advanced features to provide superlative performance. 2.1.1 Specifications ® ™ ™ ™ • AMD Athlon / Athlon XP and Duron Processor Support ® • North Bridge System Chipset: Features the VIA KT266A North Bridge that supports AGP 4X/2X mode, 133/100MHz
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2. FEATURES • Smart BIOS: 2Mb firmware enables Vcore and CPU/DDR SDRAM frequency adjustments, boot block write protection, and HD/SCSI/MO/ZIP/CD/Floppy boot selection. 2.1.2 Connections ® • CPU socket: Socket A (462) for AMD processors. • PCI Expansion Slots: Provides five 32-bit Legacy Free PCI slots, (PCI 2.2 compliant) with no ISA, eliminating bottlenecks and system memory management issues. All PCI slots can support Bus Master PCI cards, such as SCSI or LAN cards. (PCI supports up to 133MB
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2. FEATURES Performance 2. FEATURES 2.1.2 Performance • DDR DRAM Optimized Performance: This motherboard supports a new generation memory, Double Data Rate (DDR) Dynamic Random Access Memory (DDR DRAM). This new memory technology increases performance by executing two actions per clock cycle, resulting in data transfer rates of up to 2.1 GB/s for 133MHz DDR SDRAM and 1.6GB/s for 100MHz DDR SDRAM. • Onboard Audio: Audio models come with the six-channel C-Media CMI8738 PCI audio controller that
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2. FEATURES 2.1.3 Intelligence • Auto Fan Off: The system fans powers off automatically even in sleep mode. This function reduces both energy consumption and system noise, and is an important feature in implementing silent PC systems. • Dual Function Power Button: Pushing the power button for less than 4 seconds when the system is in the working state places the system into one of two states: sleep mode or soft-off mode, depending on the BIOS or OS setting (See PWR Button < 4 Secs in 4.5 Power
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2. FEATURES M/B Components 2. FEATURES 2.2 Motherboard Components Location See opposite page for locations. ® ™ ™ Processor Support Socket A for AMD Athlon XP and Duron Processors ........ 2 Feature Setting DIP Switches ................................................... 8 ® Chipsets VIA KT266A North Bridge .................................................... 1 ® VIA VT8233A South Bridge ................................................ 13 Promise IDE / RAID controller .........................
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2. FEATURES 2.2.1 Component Locations 1426 3 5 24 7 8 23 22 21 20 19 18 9 17 10 16 15 14 13 12 11 25 26 27 33 32 31 30 29 28 ASUS A7V266-EX User’s Manual 13 2. FEATURES Motherboard Parts
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Socket 462 3. H/W SETUP Motherboard Layout 3. HARDWARE SETUP 3.1 Motherboard Layout 24.5cm (9.64in) VID4 VID3 PS/2 T: Mouse KBWK VID2 OVER2 B: Keyboard VID1 THERMTRIP USB01_PWR OVER1 USB1 USB2 COM1 COM2 Line Out VIA Line VT8366 In Chipset CPU_FAN Mic In 0 1 2 3 4 5 PWR_FAN NB_FAN PROMISE Accelerated Graphics Port (AGP Pro) IDE Controller DSW SYSCLK PCI 1 LED Super I/O VIA VT8233A PCI 2 Chipset RAID_EN 2Mb A7V266-EX SMARTCARD BIOS R AUX BACK_LT PCI 3 BACK_RT CR2032 3V JTPWR Lithium Cell C
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3. HARDW 3. HARDWARE SETUP ARE SETUP 3.2 Layout Contents Motherboard Settings 1) JEN p. 18 JumperFree Mode Setting (Disable / Enable) 2) DIP_SW p. 19 CPU External Frequency Selection (Switches 1–4) 3) DSW p. 20 Manual CPU Ratio Settings (Switches 1-5) 4) VID1, 2, 3, 4 p. 21 Voltage Regulator Output Volt. Setting (1.675V-1.85 V) 5) BCS p. 21 Bass Center Setting (Center/Bass, Bass/Center) 6) KBWK p. 22 Keyboard Power Up (Enable / Disable) 7) ACRUSB1, ACRUSB2 p. 22 ACR/USB Selection (USB to Conn. /
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3. H/W SETUP Layout Contents 3. HARDWARE SETUP 16) SMB p. 38 SMBus Connector (5-1 pin) 17) CD/AUX/MODEM p. 39 Internal Audio Connectors (Three 4-1 pin) (optional) 18) JTPWR p. 39 Power Supply Thermal Sensor Connector (2 pin) 19) SPDIFOUT / CDSPDIFIN p. 40 Digital audio Interfaces (2 pin) (optional) 20) CHASSIS p. 40 Chassis Intrusion Lead (2 pin) 21) IPANEL p. 41 ASUS iPanel Audio Connector (10-1 pin) 22) SMARTCON p. 41 ASUS SmartCard Connector (14-1 pin) 23) BACK_LT/BACK_RT p. 42 ASUS Internal
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3. HARDWARE SETUP 3.3 Hardware Setup Procedure Complete the following steps before using your computer: 1. Check motherboard settings 2. Install memory modules 3. Install the Central Processing Unit (CPU) 4. Install Expansion Cards 5. Connect ribbon cables, panel wires, and power supply cables 6. Configure the BIOS parameter settings 3.4 Motherboard Settings This section tells you how to change motherboard function settings through the switches and/or jumpers. WARNING! Computer motherboards and
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3. H/W SETUP Motherboard Settings 3. HARDWARE SETUP Motherboard Frequency Settings (DIP Switches) The motherboard frequency is adjusted through the DIP switches. The white block represents the switch’s position. The illustration below shows all the switches in the OFF position. SYSCLK ON 12 34 ON OFF A7V266-EX 1.Frequency Selection R 2.Frequency Selection 3.Frequency Selection 4.Frequency Selection A7V266-EX DIP Switch 1) JumperFree™ Mode (JEN) This jumper allows you to enable or disable the Jum
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3. HARDWARE SETUP 2) CPU External Frequency Selection (DIP_SW Switches 1–4) This option tells the clock generator what frequency to send to the CPU, DRAM, and the PCI bus. This allows the selection of the CPU’s External frequency (or BUS Clock). The BUS Clock multiplied by the Frequency Multiple equals the CPU’s Internal frequency (the advertised CPU speed). SYSCLK ON ON ON ON 12 34 12 34 12 34 12 34 A7V266-EX R CPU 100MHz 133.33MHz 140MHz (JumperFree Mode) AGP 60.67MHz 66.67MHz 70MHz PCI 33.33M
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3. H/W SETUP Motherboard Settings 3. HARDWARE SETUP 3) Voltage Over Setting (OVER1, OVER2) This jumper opens or closes the circuit to control the use of voltage increases to enhance CPU performance. The default setting, [2-3] disables the use of “over- voltage” increases. Switch the jumper cap to [1-2] before attempting changes with the VID jumpers. NOTE: It is not recommended to use this feature unless confident that the CPU will not be damaged. OVER2 OVER1 1 2 2 3 OVER Voltage OVER Voltage
