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®
CUA266
JumperFree™ 133MHz FSB
DDR/SDR SDRAM AGP Pro/4X
Socket 370 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: +886-2-2893-7775 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 ASUS CUA266 Motherboard ...................................................... 8 2.1.1 Specificatio
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CONTENTS 4. BIOS SETUP ..................................................................................... 43 4.1 Managing and Updating Your BIOS .......................................... 43 4.1.1 Upon First Use of the Computer System.......................... 43 4.1.2 Updating BIOS Procedures .............................................. 45 4.2 BIOS Setup Program .................................................................. 47 4.2.1 BIOS Menu Bar .......................................
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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 CUA266 Motherboard ® ® Powered by Intel Pentium III/Celeron™ processors, the CUA266 motherboard bundles select features and compatible interfaces to deliver value and flexibility. 2.1.1 Specifications • Latest Processor Support ® Intel Pentium III 100/133MHz FSB Coppermine core FC-PGA Intel Celeron™ 100/66MHz FSB Coppermine core PPGA/FC-PGA • North Bridge System Chipset: Features the ALi M1651 North Bridge that provides optimum architecture desi
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2. FEATURES • SMBus: Features the System Management Bus interface used to physically transport commands and information between SMBus devices. • PCI Expansion Slots: Provides five 32-bit PCI (Rev. 2.2) expansion slots that support Bus Master PCI cards, such as SCSI or LAN cards, with 133MB/s maximum throughput. • AMR Slot: Supports an Audio Modem Riser (AMR) slot that accommodates a specially designed audio/modem card. • Advanced Super I/O: Provides two high-speed UART compatible serial ports a
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2. FEATURES Performance 2. FEATURES 2.1.2 Performance • 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 employed in the OS, PCs can be ready around the clock but comply with energy saving standards. To fully utilize the ACPI benefits, use an ACPI-supported OS such as Windows 98. • PC’99 Compliant: Both the BIOS and hardware levels of ASUS smart
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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 370 for Pentium III Coppermine Processors ................ 2 Feature Setting DIP Switches ................................................... 8 Chipsets ALi M1651 North Bridge ......................................................... 1 Ali M1535D+ South Bridge ................................................... 15 2Mbit Programmable Flash EEPROM .................
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2. FEATURES 2.2.1 Component Locations 1 2 3 4 5 6 7 24 23 22 21 20 19 18 17 16 15 14 131211 109 8 ASUS CUA266 User’s Manual 13 2. FEATURES Motherboard Parts
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Socket 370 3. H/W SETUP Motherboard Layout 3. HARDWARE SETUP 3.1 Motherboard Layout 24.5cm (9.64in) PS/2 T: Mouse CPU_FAN B: Keyboard USB1 USB2 COM1 JTPWR COM2 Line Out ALi Line M1651 PWR_FAN In Chipset Mic In 0 1 2 3 4 5 MIC2 0 1 2 3 AUDIO_PANEL AUX CD1 LED Accelerated Graphics Port (AGP Pro) CR2032 3V JP25V Lithium Cell CMOS Power MODEM PCI 1 CL_RTC FLOPPY CUA266 Flash EEPROM PCI 2 ALi (Programable BIOS) M1535D+ Chipset JEN PCI 3 WOR PCI 4 IR AFPANEL WOL_CON CHASSIS SMB PCI 5 USB2 USB1 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 1–4 p. 19 CPU External Frequency Selection 3) JP25V p. 19 SDRAM Voltage Selection 4) R220 p. 20 Clear RTC RAM Expansion Slots/Sockets 1) DDR DIMM 1/2 p. 23 System Memory Support SDR DIMM 1/2/3 2) Socket 370 p. 25 CPU Support 3) PCI 1/2/3/4/5 p. 27 32-bit PCI Bus Expansion Slots 4) AGP Pro p. 29 Accelerated Graphics Port Slot 5) AMR Slot p. 30 Audio Modem R
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3. H/W SETUP Layout Contents 3. HARDWARE SETUP 14) CD/AUX/MODEM p. 41 Internal Audio Connectors (4-1 pin) 15) MIC2 p. 41 Internal Microphone Connector (3-pin) 16) JTPWR p. 42 Power Supply Thermal Sensor (2-pin) 17) PWR.LED (PANEL) p. 43 System Power LED Lead (3-pin) 18) SPEAKER (PANEL) p. 43 System Warning Speaker Lead (4-pin) 19) MSG.LED (PANEL) p. 43 System Message LED Lead (2-pin) 20) SMI (PANEL) p. 43 System Management Interrupt Lead (2-pin) 21) PWR.SW (PANEL) p. 43 ATX / Soft-Off Switch Lea
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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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ON 12 34 ON 12 34 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. DSW 1. Frequency Multiple CUA266 2. Frequency Multiple 3. Frequency Multiple 4. Frequency Multiple OFF ON CUA266 DIP Switch 1) JumperFree™ Mode (JEN) This jumper allows you to enable or disable the Jumpe
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ON 12 34 ON 12 34 ON 12 34 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 and SDRAM. 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). DSW CUA266 CPU→ 66MHz 100MHz 133MHz → SDRAM 100MHz 100MHz 133MHz CUA266 CPU External Frequency Selection WARNING! Set the CPU
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3. H/W SETUP Motherboard Settings 3. HARDWARE SETUP 4) Clear RTC RAM (R220) These solder points allow you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The RAM data in CMOS, that include system setup information such as system passwords, is powered by the onboard button cell battery. To erase the RTC RAM: 1. Turn OFF the computer and unplug the power cord. 2. Remove the battery. 3. Short
