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®
A7N266-E
JumperFree™ DDR DRAM
266MHz FSB
®
NVIDIA nForce 420-D™ Chipset
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 A7N266-E Motherboard ................................................... 8 2.1.1 Core Specific
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CONTENTS 4.2.1 BIOS Menu Bar ................................................................ 50 4.2.2 Legend Bar ....................................................................... 50 4.3 Main Menu ................................................................................. 52 4.3.1 Primary & Secondary Master/Slave ................................. 53 4.3.2 Keyboard Features ............................................................ 56 4.4 Advanced 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 A7N266-E Motherboard The ASUS A7N266-E motherboard is a high-performance motherboard powered by ® ™ ™ ™ ® AMD Athlon XP / Athlon /Duron processors. It sports the new nVidia nForce ™ ™ 420-D chipset and features GeForce2 MX GPU performance. The board offers users advanced features to provide superlative performance. The A7N266-E meets today’s demand for a superior quality, fully integrated system. 2.1.1 Core Specifications ® ™ ™ ™ • AMD Athlo
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2. FEATURES 2.1.2 Connections ™ ™ ™ • CPU socket: Socket A (462) for Athlon XP / Athlon / Duron processors. • PCI Expansion Slots: Provides five 32-bit PCI slots, (PCI 2.2 compliant) with no ISA. All PCI slots can support Bus Master PCI cards, such as SCSI or LAN cards. (PCI supports up to 133MB/s maximum throughput.) The MB supports Concurrent PCI, which allows multiple PCI transfers from PCI master bus to the memory and processor. • IDE connectors: Dual-channel bus master IDE connectors s
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2. FEATURES Performance 2. FEATURES 2.1.4 Performance and Intelligence • UltraDMA/100 Support: Comes with an onboard PCI Bus Master IDE controller with two connectors that support four IDE devices on two channels. Supports UltraDMA/100, UltraDMA/66, UltraDMA/33, PIO Modes 3 & 4, Bus Master IDE DMA Mode 2, and Enhanced IDE devices, such as DVD-ROM, CD-ROM, CD-R/RW, LS-120, and Tape Backup drives. • Super Multi-I/O: The multi-I/O chipset offers complete support for a variety of I/O functions. Pr
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2. FEATURES • Two Onboard LEDs: 1) A green LED lights up to indicate that power is available onboard. It reminds users that standby power is available. The LED also serves as a reminder to disconnect the power supply when making any change to the configuration. 2) A red onboard warning LED lights up only if the wrong type of AGP card is connected to the board. • Concurrent PCI: Concurrent PCI allows multiple PCI transfers from PCI master busses to the memory and processor. • SMBus: Features t
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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, Athlon and Duron CPUs 1 ® ™ Chipsets nVidia nForce IGP-128 North Bridge .................................. 2 ® ™ nVidia nForce MCP-D South Bridge ................................. 12 Multi-I/O controller .................................................................. 8 2Mbit Programmable Flash EEPROM ...............................
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2. FEATURES 2.2.1 Component Locations 123 45 6 25 24 23 22 21 20 19 18 7 8 9 17 10 16 15 14 13 12 11 ASUS A7N266-E User’s Manual 13 2. FEATURES Motherboard Parts
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3. H/W SETUP Motherboard Layout 3. HARDWARE SETUP 3.1 Motherboard Layout 24.5cm (9.64in) USBPWR01 A7N266-E PS/2 T: Mouse CPU_FAN B: Keyboard Socket 462 Bottom: Top: CHA_FAN USB1 RJ-45 USB2 COM1 VDDR PLED nVidia VGA nForce IGP-128 Chipset ® 0 1 2 3 4 5 JEN BSEL0 NB_FAN BSEL1 Accelerated Graphics Port (AGP Pro) CR2032 3V Lithium Cell CMOS Power WARNING PCI 1 nVidia MCP-D 2Mb Chipset BIOS PCI 2 Super I/O PCI 3 COM2 CLRTC VID1 VID2 PCI 4 JTPWR VID3 VID4 BUZZER IR USBPWR45 SMB PCI 5 IDELED US
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3. HARDW 3. HARDWARE SETUP ARE SETUP 3.2 Layout Contents Motherboard Settings 1) LED p. 17 Onboard System Indicators (Green:power / Red: AGP warning) 2) JEN p. 18 Jumperfree Setting (Enable / Disable) 3) BSEL0, BSEL1 p. 18 CPU:DRAM Frequency Setting (100:100, 100:133, 133:100, 133:133) 4) VID1, 2, 3, 4 p. 19 Voltage Regulator Output Volt. Setting (1.675V-1.85 V) 5) VDDR p. 19 DDR Voltage Setting (2.7V, 2.6V, 2.5V) USB01 / USB23 / USB45PWR p. 20 USB Device Wake-up (+5V / +5VSB) 6) 7) CLR_RTC
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3. H/W SETUP Layout Contents 3. HARDWARE SETUP 19) PWR.LED p. 42 System Power LED Lead (3 pin) 20) KEYLOCK p. 42 System Keyboard Lock Switch Lead (2 pin) 21) SPEAKER p. 42 System Warning Speaker Lead (4 pin) 22) LED p. 42 System Message LED Lead (2 pin) 23) SMI p. 42 System Management Interrupt Lead (2 pin) 24) PWR p. 42 ATX / Soft-Off Switch Lead (2 pin) 25) RESET p. 42 Reset Switch Lead (2 pin) 3.3 Hardware Setup Procedure Complete these procedures before powering up the computer: 1. Check mot
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3. HARDWARE SETUP 3.4 Motherboard Settings This section tells you how to change motherboard function settings through the switches and/or jumpers. WARNING! Computer motherboards and expansion cards contain very delicate Integrated Circuit (IC) chips. To avoid damaging them due to static electricity, follow these precautions whenever you work on your computer. 1. Unplug the computer when working on the internal components. 2. Use a grounded wrist strap or touch a safely grounded object or to a m
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3. H/W SETUP Motherboard Settings 3. HARDWARE SETUP 2) Jumperfree Setting (JEN) Normally, all changes to frequency settings can be made through BIOS immediately upon starting up the computer. Therefore, the default setting for this jumper, [2-3] enables easy BIOS adjustments. If the BSEL jumpers are used, it is necessary to set this JEN jumper to [1-2]. A7N266-E JEN 12 23 ® Disable Enable (Default) A7N266-E Jumper Mode Setting 3) CPU:DRAM Frequency Setting (BSEL0, BSEL1) This jumper sets the e
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3. HARDWARE SETUP 4) Voltage Regulator Output Setting (VID1, VID2, VID3, VID4) This jumpers allow you to manually adjust the CPU core voltage. It is recommended to use CPU Default as the CPU core voltage. CPU Default means the Vcore is generated according to the CPU VID configuration. For each jumper setting, there are two voltage options, depending on the CPU used. A7N266-E 12 34 12 34 12 34 VID1 VID1 VID1 VID2 VID2 VID2 VID3 VID3 VID3 VID4 VID4 VID4 (CPU Default) 1.85/1.825Volts 1.80/1.775Vol
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3. H/W SETUP Motherboard Settings 3. HARDWARE SETUP 6) USB Device Wake-up (USB01PWR / USB23PWR / USB45PWR) Set these jumpers to +5V to allow wake up from the S1 sleep state (CPU stopped; RAM refreshed; system running in low power mode). The default setting for the three jumpers is [1-2] to select +5V, since not all computers have the appropriate power supply. NOTE: This feature requires an ATX power supply that can supply at least 2A on the +5VSB lead when these jumpers are set to +5VSB. Othe
