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®
A7M266
266MHz FSB DDR RAM AGP Pro
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, EI- THER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED W
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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: +886-2-2893-7775 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 The ASUS A7M266 ..................................................................... 8 2.1.1 Specifications ..................................................................... 8 2.1.2 Specifications – Optional Components .............................. 9 2.1.3 Spe
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CONTENTS 4.3 Main Menu ................................................................................. 54 4.3.1 Primary & Secondary Master/Slave ................................. 55 4.3.2 Keyboard Features ............................................................ 58 4.4 Advanced Menu ......................................................................... 60 4.4.1 Chip Configuration ........................................................... 63 4.4.2 I/O Device Configuration ..............
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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 The ASUS A7M266 The ASUS A7M266 motherboard is carefully designed for the value-conscious PC user who wants advanced features processed by the fastest processors. 2.1.1 Specifications • AMD Athlon™/Duron™ Processor Support: Supports Socket A-based AMD Athlon™/Duron™ processors. • North Bridge System Chipset: AMD-761™ chipset with AGP/PCI/Memory controller supports a 266MHz Front Side Bus (FSB), supports DDR SDRAM DIMM, complies with AGP 2.0 specificat
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2. FEATURES • One Touch Management: Supports an optional ASUS iPanel, an easy to access box with system information LED display, front I/O ports, and space reserved for a hard disk drive. With an ASUS iPanel, you can monitor your computer system’s vital components. • PC Health Monitoring: Provides an easy way to examine and manage system status information, such as CPU and systerm voltages, temperatures, and fan status through the onboard hardware ASUS ASIC and the bundled ASUS PC Probe. • SMBu
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2. FEATURES Performance 2. FEATURES 2.1.3 Special Features • ACPI Ready: Advanced Configuration Power Interface (ACPI) provides more Energy Saving Features for operating systems that support OS Direct Power Management (OSPM) functionality. With these features implemented in the OS, PCs can be ready around the clock, yet satisfy all the energy saving standards. To fully utilize the benefits of ACPI, an ACPI-supported OS, such as Windows 98/2000/Millenium must be used. • Easy Installation: Incor
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2. FEATURES 2.1.5 Intelligence • Dual Function Power Button: Pushing the power button for less than 4 sec- onds 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 Menu). When the power button is pressed for more than 4 seconds, the system enters the soft-off mode regardless of the BIOS setting. • Fan Status Monitoring and Alarm: To prevent system overheat and sys
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2. FEATURES Motherboard Parts 2. FEATURES 2.2 Motherboard Components See opposite page for locations. Location Processor Support Socket 462 for AMD Athlon/Duron Processors ....................... 2 (NOTE: A CPU thermal sensor is integrated on the motherboard, located near the center of the CPU heat source, just below the CPU socket) Chipsets AMD 761 system controller ...................................................... 1 VIA VT82C686B PCIset ..................................................
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2. FEATURES 2.2.1 Component Locations 3 4 5 1 2 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 ASUS A7M266 User’s Manual 13 2. FEATURES Motherboard Parts
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Socket A C-Media CMI-8738 PCI Audio 3. H/W SETUP Motherboard Layout 3. HARDWARE SETUP 3.1 Motherboard Layout 24.5cm (9.64in) CPU_FAN PWR_FAN PS/2 T: Mouse B: Keyboard DSFID Top: USB RJ-45 T: USB1 B: USB2 COM1 USBPWR1 COM2 VIO1 AMD761 Line Out System Line Controller In Mic In 0 1 2 3 AUX NB_FAN HPHONE CD Accelerated Graphic Port (AGP PRO) MIC2 PCI Slot 1 VIO PCI Slot 2 DSCKF AUDIO_EN VIA A7M266 VT82C686B PCI Slot 3 3Com ® PCIset Fast CR2032 3V Enternet Lithium Cell WOLCON CMOS Power LAN_EN
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3. HARDWARE SETUP 3.2 Layout Contents Motherboard Settings 1) JEN p. 19 JumperFree Mode (JumperFree / Jumper Mode) 2) VIO p. 20 Clock Generator Voltage Setting (3.30V / 3.56V / 3.45V) VIO1 +2.5V Voltage Setting (2.7V / 2.9V / 2.8V) 3) LAN_EN p. 20 Onboard PCI LAN Setting (Disable / Enable) 4) USBPWR1/USBPWR2 p. 21 USB Device Wake Up (+5V / +5VSB) 5) AUDIO_EN p. 21 Onboard PCI Audio Setting (Disable / Enable) 6) DSCKF 1–4 p. 22 CPU External Frequency Setting 7) VID1/VID2/VID3/VID4 p. 24 Voltage R
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3. H/W SETUP Layout Contents 3. HARDWARE SETUP 19) JTPWR p. 41 Power Supply Thermal Sensor Connector (2 pins) 20) ATXPWR p. 42 ATX Power Supply Connector (20 pins) 21) IDELED p. 42 IDE Activity LED (2 pins) 22) PWR.LED (PANEL) p. 43 System Power LED Lead (3 pins) 23) SPEAKER (PANEL) p. 43 System Warning Speaker Connector (4 pins) 24) MSG.LED (PANEL) p. 43 System Message LED (2 pins) 25) SMI (PANEL) p. 43 System Management Interrupt Lead (2 pins) 26) PWR.SW (PANEL) p. 43 ATX / Soft-Off Switch Lea
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3. HARDWARE SETUP 3.3 Getting Started Before using your computer, you must complete the following steps: 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 6. Setup the BIOS Software ASUS A7M266 User’s Manual 17 3. H/W SETUP Getting Started
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3. H/W SETUP Motherboard Settings 3. HARDWARE SETUP 3.4 Motherboard Settings This section explains in detail how to change your motherboard’s function settings through the use of switches and/or jumpers. WARNING! Computer motherboards and expansion cards contain very delicate Integrated Circuit (IC) chips. To protect them against damage from static electric- ity, you should follow some precautions whenever you work on your computer. 1. Unplug your computer when working on the inside. 2. Use a gr
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ON 12 34 3. HARDWARE SETUP Motherboard Features Settings (DIP Switches - DSCKF) The motherboard’s onboard functions are adjusted through the DIP switches. The white block represents the switch’s position. The example below shows all the switches in the OFF position. DSCKF 1. Frequency Selection A7M266 ® 2. Frequency Selection 3. Frequency Selection 4. Frequency Selection A7M266 DIP Switch OFF ON 1) JumperFree™ Mode (JEN) This jumper allows you to enable or disable the JumperFree™ mode. The Jumpe
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3. H/W SETUP Motherboard Settings 3. HARDWARE SETUP 2) Voltage Settings (VIO/VIO1) VIO allows you to select the voltage supplied to the clock generator and VIO1 (for overclocking only) allows you to select the voltage supplied to the chipset and DDR DIMM modules. The default voltage should be used for better system reliability. Setting VIO1 Setting VIO 2.7 Volt [1-2] (default) 3.30 Volt [1-2] (default) 2.9 Volt [2-3] 3.56 Volt [2-3] 2.8 Volt [3-4] 3.45 Volt [3-4] VIO1 4 3 3 2 2 1 2.8 Volt 2.7 Vo
