Intel ASUS TUA266 Socket 370 Pentium 3 Motherboard w/ Audio
Contents
1. 1 Locate the ZIF socket on the motherboard 2 Unlock the socket by pressing the lever sideways then lifting it up to a 90 100 angle 3 Position the CPU above the socket such that its notched or marked corner matches the socket corner near the end of the lever while making sure that the CPU is parallel to the socket 4 Carefully insert the CPU into the socket until it fits in place CAUTION The CPU fits only in one orientation Do not force the CPU into the socket to prevent bending the pins and damaging the CPU If the CPU does not fit completely check its orientation or check for bent pins 5 When the CPU is in place press it firmly on the socket while you push down the socket lever to secure the CPU The lever clicks on the socket indicating that it is locked 6 Attach the heatsink and fan to the CPU if they were not pre installed by the vendor Refer to the installation instructions that came with the heatsink and fan NOTE Do not forget to set the correct Bus Frequency and Multiple frequency multiple setting is available only on unlocked processors for the processor to avoid start up problems ASUS TUA266 User s Manual 3 HARDWARE SETUP 3 Expansion Cards In the future you may need to install expansion cards The motherboard has five PCI expansion slots to support these cards Follow the steps in the next section when installing expansion cards WARNING Unplug the system power cord when adding o2. 1 01 E802 Release Date July 2001 ASUS TUA266 User s Manual 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 A SUS ASUS COMPUTER INTERNATIONAL America Marketing Address 6737 Mowry Avenue Mowry Business Center Building 2 Newark CA 94560 USA Fax 1 510 608 4555 Email tmd1 asus com Technical Support Fax 1 510 608 4555 Email tsd asus com WWW www asus com FTP ftp asus com Pub ASUS ASUS COMPUTER GmbH Europe Marketing Address Harkortstr 25 40880 Ratingen BRD Germany Fax 49 2102 442066 Email sales asuscom de for marketing requests only Technical Support Hotline MB Others 49 2102 9599 0 Notebook 49 2102 9599 10 Fax 49 2102 9599 11 Support Email www asuscom de de support for online support WWW www asuscom de FTP ftp asuscom de pub ASUSCOM ASUS TUA266 User s Manual CONTENTS he INTRODUCTION araceas srren EErEE E EEE a 7 1 1 How This Manual Is Organized ccecccccccsessseceeeeeeeeeeeeeaeeees 7 k2 INST C hecki basee a R EREE 7 Dis FEATURES canion E NE vi
3. Connector 2 pin WOR This connector connects to internal modem cards with a Wake On Ring output The connector powers up the system when a ringup packet or signal is received through the internal modem card NOTE For external modems Wake On Ring is detected through the COM port IMPORTANT This feature requires that Wake On Ring features are enabled see 4 4 3 Power Management and that your system has an ATX power supply with at least 720mA 5V standby power WOR Ground Rl E TUA266 Wake On Ring Connector ASUS TUA266 User s Manual 6 3 HARDWARE SETUP CPU Fan Power Fan and Chassis Fan Connectors CPU_FAN PWR_FAN CHA_FAN The three fan connectors support cooling fans of 350mA 4 2 Watts or less Orient the fans so that the heat sink fins allow airflow to go across the onboard heat sinks instead of the expansion slots The fan wiring and plug may vary depending on the fan manufacturer Connect the fan cable to the connector making sure that the black wire matches the ground pin NOTE Use the Rotation signal only with a specially designed fan with a rotation signal You can monitor the Rotations Per Minute RPM using ASUS PC Probe see 6 SOFTWARE REFERENCE WARNING Make sure to connect the fan cables to the fan connectors Lack of sufficient airflow within the system could cause damage to the motherboard These are not jumpers do not place jumper caps over these connectors 7 CPU_FAN GND 12
4. are used only for identification or explanation and to the owners benefit without intent to infringe e Intel and Pentium are registered trademarks of Intel Corporation e C Media is a registered trademark of C Media Electronics Inc e Windows and MS DOS are registered trademarks of Microsoft Corporation e Adobe and Acrobat are registered trademarks of Adobe Systems Incorporated Trend and ChipAway Virus are trademarks of Trend Micro Inc e Symbios is a registered trademark of Symbios Logic Corporation The product name and revision number are both printed on the product itself Manual revisions are released for each product design represented by the digit before and after the period of the manual revision number Manual updates are represented by the third digit in the manual revision number For previous or updated manuals BIOS drivers or product release information contact ASUS at http www asus com tw or through any of the means indicated on the following page SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT Copyright 2001 ASUSTeK COMPUTER INC All Rights Reserved Product Name ASUS TUA266 Manual Revision
5. ia i is ER i eee TOP VIEW 20 pin bay 28 pin bay Rib inside slot Rib TUA266 Accelerated Graphics Port AGP PRO CAUTION The AGP Pro slot is shipped with a warning label over the 20 pin bay DO NOT remove this label and the safety tab underneath it if you are using an AGP card without a retention notch Removing may cause the card to shift and may cause damage to the card slot and motherboard Remove the label and tab ONLY if you are using an AGP Pro card Use a rigid tip such as a pen tip to dislodge and remove the tab from the bay S O 9 f Removing the tab ASUS TUA266 User s Manual 27 X i 7 S s f 28 3 HARDWARE SETUP 3 7 4 Audio Modem Riser AMR Slot The AMR slot support a specially designed audio and or modem card called an Audio Modem Riser AMR Main processing is done through software and controlled by the system chipset There are two types of AMR one defined as primary and another defined as secondary You can only use primary AMRs with this motherboard NOTE The motherboard package does not include the AMR card IMPORTANT The AMR slot on the motherboard shares the same expansion slot with PCI Slot 5 TUA266 Audio Modem Riser AMR Slot ASUS TUA266 User s Manual 3 HARDWARE SETUP 3 8 Connectors 3 8 1 External Connectors 1 PS 2 Mouse Port Green 6 pin PS2KBMS The system automatically directs IRQ12 to the PS 2 mouse if one 1s dete
6. the programmable flash ROM on the motherboard This file works only in DOS mode To determine the BIOS version of your motherboard check the last four numbers of the code displayed on the upper left hand corner of your screen during bootup Larger numbers represent a newer BIOS file 1 Type FORMAT A S at the DOS prompt to create a bootable system disk DO NOT copy AUTOEXEC BAT and CONFIG SYS to the disk 2 Type COPY D AFLASH AFLASH EXE A assuming D is your CD ROM drive to copy AFLASH EXE to the boot disk you created NOTE AFLASH works only in DOS mode It does not work in the DOS prompt within Windows and does not work with certain memory drivers that may be loaded when you boot from the hard drive It is recommended that you reboot using a floppy disk 3 Reboot the computer from the floppy disk NOTE BIOS setup must specify Floppy as the first item in the boot sequence 4 In DOS mode type A AFLASH lt Enter gt to run AFLASH E Li iT COAFUTER PH EAs Se FPL PIUS Eoevimion IB IMPORTANT If the word unknown appears after Flash Memory the memory chip is either not programmable or is not supported by the ACPI BIOS and therefore cannot be programmed by the Flash Memory Writer utility ASUS TUA266 User s Manual 43 4 BIOS SETUP 5 Select 1 Save Current BIOS to File from the Main menu and press lt Enter gt The Save Current BIOS To File screen appears or Er Carvrent HINS Ta Fils iN ACPI
7. 200 266 DDR and AGP Pro 4X interface solution South Bridge System Chipset ALi M1535D South Bridge chipset provides a high integration bridge between PCI bus and peripheral bus The chipset comes with built in advanced Super I O controller and power management feature DDR SDR Memory Support Equipped with two Double Data Rate DDR Dual Inline Memory Module DIMM sockets to support up to 2GB of memory using the latest high speed 2 5V PC1600 PC2100 SDRAM modules and three Single Data Rate SDR sockets for a maximum of 3GB memory using 3 3V PC133 100 SDRAM e JumperFree Mode Allows processor settings and easy overclocking of frequency and Vcore voltage through BIOS setup when the JumperFree mode is enabled Easy to use DIP switches come with the motherboard board to allow manual adjustment of the processor external internal frequency e 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 amp 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 e AGP Pro Slot Comes with an Accelerated Graphics Port AGP Pro slot that supports high performance AGP cards targeted at 3D graphical applications supporting 133MHz 4X mode The slot is backward compatible with AGP 4X 2X cards e Wake On LAN Supports Wake On LAN activi
8. 22 2 Serial Ports COM1 COM2 cessere Bottom 22 USB Connectors Port 0 amp Port 1 eesse 23 USB Connectors Ports 2 3 4 5 wooo ceeessssessssseeesssseseseseens 14 1 PS 2 M se Conecto econ aaa Top 24 1 PS 2 Keyboard Connector ccecceeseeseeeeeees Bottom 24 Hardware Monitoring System Voltage Monitoring integrated in ASUS ASIC 10 3 Fan Power and Speed Monitoring Connectors Special Features Onboard LED oo cccccscssescsessescsesescsesecsesessescseesseeen 4 Wake On LAN Connector ccccccicceccccccecssssseseesssssccesessseeeens 16 Wake On Ring Connector cccceccescesseesscesseesscesessseeseeses 11 Audio Features on audio models only CMI8738 Audio Controller wo ceeeecccceesssseccssssssseseeeees 18 VORE MIDE OF recni R Top 21 Line Out Connector 8 iicccnssnesiceieeccica Bottom left 21 Line In Connector wee eeeesssseeeeeeees Bottom center 21 1 Microphone Connector ccceseeeeees Bottom right 21 Power ATX Power Supply Connector cccccccecseescsscseesesseseeeeteeees 6 Form Factor ATX 12 ASUS TUA266 User s Manual 2 FEATURES 2 2 1 Component Locations 16 15 14 131211 1098 ASUS TUA266 User s Manual 13 3 HARDWARE SETUP 3 1 Motherboard Layout 24 5cm 9 64in ke CPUSEL CPU_FAN CPUSEL OZE 3490S Secondary IDE Primary IDE ALi M1651 PWR_FAN DDR DIMM1 64 72 bit 184 pin module DDR DIMM2 64 72 bit 184
9. 2KBMS p 29 PS 2 Keyboard Port 6 pin female 3 USB p 29 Universal Serial Bus Ports 1 amp 2 two 4pin female 4 PRINTER p 30 Parallel Port 25 pin female 5 COM1 COM2 p 30 Serial Ports 9 pin 10 1 pin male 6 GAME_AUDIO Top p 30 Game MIDI Port 15 pin female 7 GAME_AUDIO Bottom p 31 Audio Connectors 1 8 jacks Internal Connectors 1 IDELED p 32 IDE Activity LED 2 pin 2 FLOPPY p 32 Floppy Disk Drive Connector 34 pin 3 PRIMARY IDE p 33 IDE Connectors Two 40 1 pin SECONDARY IDE 4 WOL_CON 34 Wake On LAN Connector 3 pin p 5 WOR p 34 Wake On Ring Connector 2 pin 6 CPU PWR CHA_FAN p 35 CPU Power and Chassis Fan Connectors four 3 pin 7 USBI1 USB2 p 35 USB Headers 10 1 pin 8 IR p 36 Standard Infrared Module Connector 5 pin 9 CHASSIS p 36 Chassis Intrusion Lead 2 pin 10 ATXPWR p 37 ATX Power Supply Connector 20 pin 11 SMB p 37 SMBus Connector 5 1 pin 12 AFPANEL p 38 ASUS iPanel Connector 24 1 pin p 13 AUDIO_PANEL 38 Audio Panel Connector 10 1 pin ASUS TUA266 User s Manual 15 3 HARDWARE SETUP 14 CD AUX MODEM p 39 Internal Audio Connectors 4 1 pin 15 MIC2 p 39 Internal Microphone Connector 3 pin 16 JTPWR p 40 Power Supply Thermal Sensor 2 pin 17 PWR LED PANEL p 41 System Power LED Lead 3 pin 18 SPEAKER PANEL p 41 System Warning Speaker Lead 4 pin 19 MSG LED PANEL p 41 System Message LED Lead 2 pin 20 SMI PANEL p 41 System Manag
10. DUS TUA266 JumperFree 133MHz FSB DDR SDR SDRAM AGP Pro 4X Socket 370 Motherboard USER S MANUAL 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 WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT SHALLASUS ITS DIRECTORS OFFICERS EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING DAMAGES FOR LOSS OF PROFITS LOSS OF BUSINESS LOSS OF USE OR DATA INTERRUPTION OF BUSINESS AND THE LIKE EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT Product warranty or service will not be extended if 1 the product is repaired modified or altered unless such repair modification of alteration is authorized in writing by ASUS or 2 the serial number of the product is defaced or missing Products and corporate names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies and
11. GIR Beeiaion 10 6 Type a filename and the path for example A XXX XX X XX and then press lt Enter gt 44 ASUS TUA266 User s Manual 4 BIOS SETUP 4 1 2 Updating BIOS Procedures WARNING Update the BIOS only if you have problems with the motherboard and you know that the new BIOS revision will solve your problems Careless updating can result in your motherboard having more problems 1 Download an updated ASUS BIOS file from the Internet WWW or FTP see ASUS CONTACT INFORMATION on page 3 for details and save to the boot floppy disk you created earlier 2 Boot from the floppy disk 3 At the A prompt type AFLASH and then press lt Enter gt 4 At the Main Menu type 2 then press lt Enter gt The Update BIOS Including Boot Block and ESCD screen appears 5 Type the filename of your new BIOS and the path for example A XXX XX XXX then press lt Enter gt NOTE To cancel this operation press lt Enter gt Update BIDS lrmelodiey Bert Block one ESL ee Le LPL BUS F ilkiga net 6 When prompted to confirm the BIOS update press Y to start the update Update BLS Lee b Hes j Wirt i I La of CHUREEEHT 1 A Lunt gwi MEF n Il Prii LCUREEMT J De j Lee amil AS ASUS TUA266 User s Manual 45 46 4 BIOS SETUP The utility starts to program the new BIOS information into the Flash ROM The boot block is updated automatically only when necessary This minimizes the poss
12. S 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 series motherboards are PC 99 compliant The new PC 99 requirements for systems and components are based on the following high level goals Support for Plug n Play compatibility and power management for configuring and managing all system components and 32 bit device drivers and installation procedures for Windows 95 98 NT Color coded connectors and descriptive icons make identification easy as required by PC 99 High Speed Data Transfer Interface Support for UltraDMA 100 through the onboard IDE bus master controller triples the UltraDMA 33 burst transfer rate UltraDMA 100 is backward compatible with DMA 66 DMA 33 and other existing DMA devices to save the need to upgrade current EIDE IDE drives UltraDMA 66 requires a 40 pin 80 conductor cable Concurrent PCI Concurrent PCI allows multiple PCI transfers from PCI master busses to the memory and processor ASUS TUA266 User s Manual 2 2 FEATURES 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 sy
13. Socket 2 Rows 2 amp 3 64MB 128MB 256MB 512MB IGB xl Socket 3 Rows 4 amp 5 64MB 128MB 256MB 512MB IGB xl Total System Memory Using SDR DIMMs Max 3GB 4 5 1 General DIMM Notes DIMMs that have more than 18 chips are not supported on this motherboard e For the system CPU bus to operate 200MHz 266MHz use PC1600 PC2100 compliant DDR DIMMs ASUS motherboards support Serial Presence Detect SPD DIMMs This is the memory of choice for best performance vs stability BIOS shows SDRAM memory on bootup screen ASUS TUA266 User s Manual 21 3 HARDWARE SETUP 3 0 2 Memory Installation WARNING Make sure that you unplug the power supply when adding or removing memory modules or other system components Failure to do so may cause severe damage to both the motherboard and the components A 184 pin DDR SDRAM DIMM has a single notch near the center The number of pins are different on either side of the notch so the module only fits in one direction Insert a DDR DIMM into the DDR socket as shown TUA266 184 Pin DDR DIMM Sockets 104 Pins 80 Pins A 168 pin SDR SDRAM DIMM has two notches This feature differentiates an SDR DIMM from a DDR DIMM The SDR DIMM notches match the breaks on the DIMM socket so the module only fits in one direction Insert an SDR DIMM into the SDR socket as shown TUA266 168 Pin DIMM Sockets 22 ASUS TUA266 User s Manual 3 HARDWARE SETUP 3 6 Central Processing Unit CPU
14. TUP Instructions on setting up the motherboard Eg 4 BIOS SETUP Instructions on setting up the BIOS m 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 1 2 Item Checklist Check that your package is complete If you discover damaged or missing items contact your retailer Package Contents Optional Item MV 1 ASUS Motherboard C ASUS IrDA compliant infrared module Wv 1 40 pin 80 conductor ribbon cable for internal UltraDMA 66 or UltraDMA 33 IDE drives MV 1 Ribbon cable for two 3 5 floppy disk drives M 1 ASUS Support CD with drivers and utilities Wv 1 Bag of spare jumper caps M 1 ASUS 2 port USB Connector Set Mv 1 User s Manual ASUS TUA266 User s Manual 7 2 FEATURES 2 1 ASUS TUA266 Motherboard Powered by the latest Intel processors the TUA266 motherboard bundles select features and compatible interfaces to deliver value and flexibility 2 1 1 Specifications e Processor Support Intel Pentium I 100 133MHz FSB Tualatin core FC PGA2 Intel Pentium II 100 133MHz FSB Coppermine core FC PGA Intel Celeron 100 66MHz FSB Coppermine core FC PGA e North Bridge System Chipset Features the ALi M1651 North Bridge that provides optimum architecture design to support Intel Pentium III Celeron CPUs with 133 100 FSB a memory interface for both 66 100 133 SDR and
15. The motherboard comes with a ZIF Socket for the supported CPUs listed in section 2 1 1 Specifications The following illustration shows the CPU socket location on the motherboard and the correct CPU orientation Pentium III Celeron Coppermine FC PGA Gold Arrow gt Q Pentium III Tualatin TUA266 Socket A Gold Arrow gt 2 Note in the illustration that CPUs have marks usually a notch or a gold mark on one corner to help you identify the proper orientation and enable you to correctly install a CPU It is important that you match the marked corner of the CPU with the corresponding corner on the socket so as not to damage the CPU pins The CPU picture above is for reference only Usually when you buy a CPU the heatsink and fan are already attached to the CPU If a heatsink and fan did not come with the package make sure you obtain one before installing the CPU WARNING You must install the proper heatsink and fan to the CPU Failure to do so will cause the CPU to overheat and may damage both the CPU and the motherboard Install an auxillary fan if necessary CAUTION Be careful not to scrape the motherboard when mounting unmounting a clamp style processor fan to avoid damaging the motherboard Proceed to the next section for the steps on how to properly install a CPU ASUS TUA266 User s Manual 23 i j 24 3 HARDWARE SETUP 3 6 1 CPU Installation Follow these steps to install a CPU
16. User s Manual 47
17. V Rotation 4 PWR_FAN ian Rotation USB Headers 10 1 pin USB1 USB2 If the USB port connectors on the back panel are inadequate two USB headers are available for four additional USB port connectors Connect a 2 port USB connector set to a USB header and mount the USB bracket to an open slot in the chassis USB Power USBP2 USBP2 GND NC ASUS TUA266 User s Manual 35 3 HARDWARE SETUP 8 Infrared Module Connector 5 pin IR This connector supports an optional wireless transmitting and receiving infrared module This module mounts to a small opening on system cases that support this feature You must also configure the setting through UART2 Use Infrared see 4 4 2 I O Device Configuration to select whether UART2 is directed for use with COM2 or IrDA Use the five pins as shown in Back View and connect a ribbon cable from the module to the motherboard SIR connector according to the pin definitions NOTE The SIR module does not come with the motherboard package The CIR module is currently not available TUA266 Infrared Module Connector 9 Chassis Open Alarm Lead 4 pin CHASSIS This lead is for a chassis designed for chassis intrusion detection This requires an external detection mechanism such as a chassis intrusion monitor sensor or microswitch When any chassis component is removed the sensor is triggered and a high level signal is sent to this lead to record a chassis intrusion event The event i
18. as eevmncuns 8 2 1 ASUS TUA266 Motherboard 5 csscscinsdctwsadsnesvvyseartunncdssasceenessscerciors 8 2 Vel SPCCHAC AMOS soueno n R 8 D Me Pee Ola aa A tied 10 aN Dees aa E e e E re Serre women a re mene ee arnt 11 2 2 Motherboard Component seas ccnseisaiaeetwcanesawinereaicntaeeriaaroontecase s 12 22M COMPONEN LOCATIONS a xsexceessncusieeaccaxaavesheassvaanaxdacsivautavaanse 13 SHARD WARE SETUP vercion aa 14 DV Motherboard Layout uessa E EE 14 DoD ay OUt CONEIS rire a A E Meee dunetsluiaacoess 15 33 Hardware Sep Procedure eisein T 17 34 Motherboard SeN Senese iia tnesczabaredaaseloneds 17 Io O eE ME MO aa ae ne E ee ee et 21 Jol General DD TMIIMIN O 6Scaceus caret ctaiieassuiudetede Sccbinstealodicaeinesden 21 5 0 2 Memory msta lio ener E adaware 22 5 0 Central Processing Umit CPU cerina trast a 23 AAR O a AS AUN ONG EE EE E EE E E 24 So EXPN On C dS anea i a 25 3 7 1 Installing an Expansion Card cccccccsssseseeeeeeceeeeeeeees 25 3 7 2 Assigning IRQs for Expansion Cards cccccceseeeeees 26 3 7 3 Accelerated Graphics Port AGP Pro Slot a 21 3 7 4 Audio Modem Riser AMR Slot ccc eee ee 28 IS COE 1 10 be een er nooo te ora ter Mee SO eee N 29 500k Exem l COnN ac antares cua vie ds tadetae ee ave aneataads 29 Ded AUCTION ONS sunsets cer Sec setia dete cieden EE 32 39 Starting Up the First TMe sareni 42 ASUS TUA266 User s Manual CONTENTS A DIOS SE FUP weseseicscceccscesesace
19. ashedssasessetecuedecassecdvavcadeusesecetaceivendsosseensesss 43 4 1 Managing and Updating Your BIOS ce ecccceseeeceeeeeeeeees 43 4 1 1 Upon First Use of the Computer System cee 43 AA2 Updating BIOS Procedures eissien noninar 45 AZ BIOS Setup Proet aii eeren a N 47 42l BIOS MEDU ape nr a a 48 A EAD Wo 9d 16 BaF ciconia A E 48 AES MAM E DU ieee eRe eT PE 50 4 3 1 Primary amp Secondary Master Slave cccccccceesseeeeeees 51 Ao ICY WO ATCC QUIRES acti renace teehee ae a 54 AN Advanced MENU ersari ore EET emanating e 56 4 4 1 Chip Configuration cccccccesscccccccssssecceeeaeeeecceseaaeeeeeees 60 4 4 2 I O Device Configuration ccccceeeeecceecessesceeeeaenseeees 63 AAS PCC On Ura ON soren a aE A avin EN 65 Ae POW CT NICH UW acessianoto seis ction awtaatatiutasaustaadedaistaiehaiesdestashatapsanteacsuadsanciease 67 Aa POWT UP CONTO staccercsscntcncnrecessecncisicieneiaaseacovnneateaneneitets 69 45 2 HardWare Monitor nrcierctsmiiscannsnin enin o e 71 APO DOONM O D eaa ANEA E O O Io As TENE aE E E EAEE AEE 14 Se SOETWARE SETUP nviccoscisicssseoisssescecsovosnenesuiiressso oisi 77 SE Operaine Sy SiC MS aeia T ad 5 1 1 Windows 98 First Time Installation 00 ees 71 5 2 TUA266 Motherboard Support CD sss ssssssssenesssssseeeessssssseeeree gt 71 S2 l Tns lanon M AUS ronen e eta rba sass hires T1 52 2 APP CAON S oai E CENT 78 6 SOFTWARE REFERENCE ccccccsss
20. c c O 5 3 J X gt oO gt 0 ox ion Oo x o OOWn LO izj g TUA266 System Panel Connectors 17 System Power LED Lead 3 1 pin PWR LED This 3 1 pin connector connects to the system power LED The LED lights up when you turn on the system power and blinks when the system is in sleep or soft off mode 18 System Warning Speaker Lead 4 pin SPEAKER This 4 pin connector connects to the case mounted speaker and allows you to hear system beeps and warnings 19 System Message LED Lead 2 pin MSG LED This 2 pin connector is for the system message LED that indicates receipt of messages from a fax modem The normal status for this LED is ON when there is no incoming data signal The LED blinks when data is received The system message LED feature requires an ACPI OS and driver support 20 System Management Interrupt Lead 2 pin SMI This 2 pin connector allows you to manually place the system into a suspend mode or Green mode where system activity 1s instantly decreased to save power and to expand the life of certain system components Attach the case mounted suspend switch this 2 pin connector 21 ATX Power Switch Soft Off Switch Lead 2 pin PWR SW The system power is controlled by a momentary switch attached to this connector Pressing the button switches the system between ON and SLEEP or ON and SOFT OFF depending on the BIOS or OS settings Pressing the button while in the ON mode for more than 4 second
21. cable NOTES 1 Pin 20 on each IDE connector is removed to match the covered hole on the UltraDMA cable connector This prevents incorrect orientation when you connect the cables 2 The hole near the blue connector on the UltraDMA 100 66 cable is intentional TIP You may configure two hard disks to be both Masters with two ribbon cables one for the primary IDE connector and another for the secondary IDE connector IMPORTANT For UltraDMA 100 66 IDE devices use a 40 pin 80 conductor IDE cable The UltraDMA 66 cable included in the motherboard package also supports UltraDMA 100 NOTE Orient the red markings usually zigzag on the IDE ribbon cable to PIN 1 Secondary IDE Connector Primary IDE Connector TUA266 IDE Connectors PUNA ASUS TUA266 User s Manual 33 34 4 5 3 HARDWARE SETUP Wake On LAN Connector 3 pin WOL_CON This connector connects to a LAN card with a Wake On LAN output such as the ASUS PCI L101 Ethernet card see 7 Appendix The connector powers up the system when a wakeup packet or signal is received through the LAN card IMPORTANT This feature requires that Wake On LAN features are enabled see 4 4 3 Power Management and that your system has an ATX power supply with at least 720mA 5V standby power IMPORTANT Requires an ATX power supply with at least 720mA 5 volt standby power WOL_CON 5 Volt Standby PME Ground TUA266 Wake On LAN Connector Wake On Ring
22. ccosssscccsescccssesccesessccssessceses 1 OI ASUS PC PODE ey ae Ce nT RR E Nn ee ar Sl Onis Starine ASUS PE Probe sorgan nR e 81 OL USME ASUS PC Prove xisacicctnceeteiasceerabuastdcadeaneagiatedesieheia 82 6 1 3 ASUS PC Probe Task Bar IcOnsiscsscvsssicssisicestassevidenrtanteass 86 Te APPENDIX crocosan an E cess avescaecvaveskactoussiecessuedsens 87 T AO TEN E EA NETE E T EESE 87 INDE A cunn a T s 91 ASUS TUA266 User s Manual FCC amp DOC COMPLIANCE Federal Communications Commission Statement This device complies with FCC Rules Part 15 Operation is subject to the following two conditions e 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 provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with manufacturer s instructions may cause harmful interference to radio communications However there 1s no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off an
23. cted If no mouse is detected IRQ12 become available to expansion cards See PS 2 Mouse Function Control in 4 4 Advanced Menu PS 2 Mouse 6 pin Female Z ooo0oo0oo0 IZ i oooo 2 PS 2 Keyboard Port Purple 6 pin PS2KBMS This connection is for a standard keyboard using an PS 2 plug mini DIN This connector does not allow standard AT size large DIN keyboard plugs You may use a DIN to mini DIN adapter on standard AT keyboards PS 2 Keyboard 6 pin Female 3 Universal Serial Bus Ports 1 amp 2 Black two 4 pin USB Two USB ports are available for connecting USB devices Universal Serial Bus USB 2 ASUS TUA266 User s Manual 29 3 HARDWARE SETUP 4 Parallel Port Burgundy 25 pin PRINTER You can enable the parallel port and choose the IRQ through Onboard Parallel Port see 4 4 2 I O Device Configuration NOTE Serial printers must be connected to the serial port Parallel Printer Port 25 pin Female 5 Serial Ports Teal Turquoise 9 pin COM1 9 pin COM2 Two serial ports can be used for pointing devices or other serial devices To enable these ports see Onboard Serial Port 1 Onboard Serial Port 2 in 4 4 2 I O Device Configuration for the settings COM 1 COM 2 Serial Ports 9 pin Male 6 Game MIDI Port Gold 15 pin GAME AUDIO optional This connector supports a joystick or a game pad for playing games and MIDI devices for playing or edit
24. d on the user is encouraged to try to correct the interference by one or more of the following measures e Re orient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment to an outlet on a circuit different from that to which the receiver 1s connected e Consult the dealer or an experienced radio TV technician for help WARNING Any changes or modifications to this product not expressly approved by the manufacturer could void any assurances of safety or performance and could result in violation of Part 15 of the FCC Rules Reprinted from the Code of Federal Regulations 47 part 15 193 1993 Washington DC Office of the Federal Register National Archives and Records Administration U S Government Printing Office Canadian Department of Communications Statement This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications This Class B digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe B est conforme a la norme NMB 003 du Canada ASUS TUA266 User s Manual 1 INTRODUCTION 1 1 How This Manual Is Organized 6 x This manual is divided into the following sections F y 1 INTRODUCTION Manual information and checklist a J 2 FEATURES Production information and specifications g 3 HARDWARE SE
25. eceive stereo audio input from sound sources as a CD ROM TV tuner or MPEG card The MODEM connector allows the onboard audio to interface with a voice modem card with a similar connector It also allows the sharing of mono_in such as a phone and a mono_out such as a speaker between the audio and a voice modem card CD1 Black AUX White Left Audio Channel Ground bird Right Audio Channel HOD p amp g MODEM za a O o O O 7 E goog 5 OO TUA266 Internal Audio Connectors gt 2 15 Internal Microphone Connector 3 pin MIC2 optional This connector allows you to connect chassis mounted microphone to the motherboard instead of connecting an external microphone to the ATX connector NOTE The internal microphone does not work 1f there is an external microphone connected to the external Mic pink jack You may only use one microphone at a time MIC Power MIC Input Ground TUA266 Internal Microphone Connector ASUS TUA266 User s Manual 39 3 HARDWARE SETUP 16 Power Supply Thermal Sensor Connector 2 pin JTPWR If you have a power supply with thermal monitoring connect its thermal sensor cable to this connector JTPWR Ba Power Supply Thermal Sensor TUA266 Thermal Sensor Connector 40 ASUS TUA266 User s Manual 3 HARDWARE SETUP The following 20 pin PANEL illustration is for items 17 22 Requires an ATX power supply Speaker Power LED gt D I A x D o oO Q9 c
26. ectors cause the IDE LED to light up IDELED TIP If the case mounted LED does not TUA266 IDE Activity LED light try reversing the 2 pin plug 2 Floppy Disk Drive Connector 34 1 pin FLOPPY This connector supports the provided floppy drive ribbon cable After connecting the single end to the board connect the two plugs on the other end to the floppy drives Pin 5 is removed to prevent inserting in the wrong orientation when using ribbon cables with pin 5 plugged NOTE Orient the red markings on the floppy ribbon cable to PIN 1 PIN 1 TUA266 Floppy Disk Drive Connector 32 ASUS TUA266 User s Manual 3 HARDWARE SETUP 3 Primary Blue Secondary IDE Connectors 40 1 pin IDE1 IDE2 These connectors support the provided UltraDMA 100 66 IDE hard disk ribbon cable Connect the cable s blue connector to the primary recommended or secondary IDE connector then connect the gray connector to the UltraDMA 100 66 slave device hard disk drive and the black connector to the UltraDMA 100 66 master device It is recommended that non UltraDMA 100 66 devices be connected to the secondary IDE connector If you install two hard disks you must configure the second drive as a slave device by setting its jumper accordingly Refer to the hard disk documentation for the jumper settings BIOS supports specific device bootup see 4 6 Boot Menu If you have more than two UltraDMA 100 66 devices purchase another UltraDMA 100 66
27. ement Interrupt Lead 2 pin 21 PWR SW PANEL p 41 ATX Soft Off Switch Lead 2 pin 22 RESET PANEL p 41 Reset Switch Lead 2 pin 16 ASUS TUA266 User s Manual 3 HARDWARE SETUP 3 3 Hardware Setup Procedure Complete the following steps before using your computer Check motherboard settings Install memory modules Install the Central Processing Unit CPU Install Expansion Cards 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 S e i a 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 metal object such as the power supply case before handling computer components 3 Hold components by the edges and try not to touch the IC chips on them 4 Whenever you uninstall any component place the components on a grounded antistatic pad or in the bag that came with the components 5 Before you install or remove any component ensure that the ATX power supply is switched off or the power cord is detached from the power supply Failure to do so may ca
28. er SMBus devices SMBus is a specific implementation of an I C bus a multi device bus that allows multiple chips to connect to the same bus and enabling each one to act as a master by initiating data transfer SMB f 5V SMBCLK Ground SMBDATA TUA266 SMBus Connector ASUS TUA266 User s Manual 37 3 HARDWARE SETUP 12 ASUS iPanel Connector 24 1 pin AFPANEL This connector allows you to connect an optional ASUS 1Panel an easy to access drive bay with front I O ports and status LEDs If you are not using an ASUS iPanel you can connect an optional wireless transmitting and receiving infrared module to the SIR connector AFPANEL LOCKKEY NC V IRRX GND SMBDATA 3VSB SMBCLK 5 NC IRTX NC GND NC e IRRX lt Nc O U D I 5V i CIRRX fa GND l 5VSB 5V MLED NC PCIRST BATT CIRRX 5VSB CHASSIS EXTSMI IRTX Standard Infrared SIR Front View Back View NC GND Q O Z TUA266 Front Panel Connectors 13 Digital Audio Interfaces 10 pin AUDIO_PANEL optional This connector accommodates the optional ASUS 1Panel to allow convenient audio control from the front panel AUDIO_PANEL MIC2 MICPWR AGND Line in_L Line out_L AGND2 AGND3 Line in_R Line out_R TUA266 Audio Panel Connector 38 ASUS TUA266 User s Manual 3 HARDWARE SETUP 14 Internal Audio Connectors 4 1 pin CD AUX MODEM optional These connectors allow you to r
29. ibilities of boot problems in case of update failures When the programming is done Flashed Successfully appears Update BIOS Irmeludiey Beal Bleck asd ESL AIER LUEEER i tart neal 1 ELUS Midi LIREER ALA a tart i 1 w ali ir BRIE CUREFHT J HHHH EHH IE Tou Mase Plaszhed Lhe EPROP LL ia a jy hom JETIF evel LIAE Jeij ee rrcopereded that you turn Sff amp Petr en Pe a he Ai CADE igdated with mai PT ah ih bef ailt in i WARNING If you encounter problems while updating the new BIOS DO NOT turn off the system because this may cause boot problems Just repeat the process and if the problem still persists load the original BIOS file you saved to the boot disk If the Flash Memory Writer utility 1s not able to successfully update a complete BIOS file the system may not boot If this happens call the ASUS service center for support ASUS TUA266 User s Manual 4 BIOS SETUP 4 2 BIOS Setup Program This motherboard supports a programmable EEPROM that you can update using the provided utility described in 4 1 Managing and Updating Your BIOS The utility is used 1f you are installing a motherboard reconfiguring your system or prompted to Run Setup This section describes how to configure your system using this utility Even if you are not prompted to use the Setup program at some time in the future you may want to change the configuration of your computer For example you may want to enable the Secur
30. indows 98 2000 ME compatibility built in firmware based virus protection and autodetection of most devices for a virtual automatic setup IrDA Supports an optional infrared port module for wireless interface Desktop Management Interface DMI Supports DMI through BIOS that allows hardware to communicate within a standard protocol and create a higher level of compatibility Requires DMI enabled components Onboard LED Comes with a power LED that lights up if there is any standby power on the motherboard This LED acts as a reminder to turn off the system power before plugging or unplugging devices to prevent damage to the motherboard peripherals and other system components Onboard Audio optional Audio models come with the four channel C Media CMI8738 PCI audio controller that supports the legacy audio SB PRO FM emulator DLS wavetable music synthesis and HRTF 3D positional audio functions Easy Connectivity and System Information Access Supports an optional ASUS 1Panel an easy to access box with system diagnostic display area system status LEDs USB ports and hot keys The AFPANEL connector on the motherboard accommodates the ASUS 1Panel ASUS TUA266 User s Manual 10 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 O
31. ing audio files Joystick Midi 15 pin Female Ly t 5 MO OOOOOOOOCOOOO G OOQOOOOOO OOOO O p lo 30 ASUS TUA266 User s Manual 7 3 HARDWARE SETUP Audio Ports Three 1 8 AUDIO optional The Line Out lime connects a headphone or speakers The Line In light blue connects a tape players or other audio sources The Mic pink connects a microphone NOTE The functions of the audio connectors Line Out Line In and Mic change when the 6 channel audio feature is enabled Refer to Chapter 5 SOFTWARE SETUP A LMOOOOOOOOOOOOOTZ i N O 7 sO O Owe JO Line Out Lineln Mic 1 8 Stereo Audio Connectors J ASUS TUA266 User s Manual 31 3 HARDWARE SETUP 3 8 2 Internal Connectors WARNING Some pins are used for connectors or power sources These are clearly distinguished from jumpers in the Motherboard Layout Placing jumper caps over these connector pins will cause damage to your motherboard IMPORTANT Always connect ribbon cables with the red stripe to Pin 1 on the connectors Pin is usually on the side closest to the power connector on hard drives and CD ROM drives but may be on the opposite side on floppy disk drives 1 IDE Activity LED 2 pin IDELED This connector supplies power to the cabinet s IDE activity LED Read and write activity by devices connected to the Primary or Secondary IDE conn
32. ise between the two PCI groups that will make the system unstable or cards inoperable The following table lists the default IRQ assignments for standard PC devices Use this table when configuring your system and for resolving IRQ conflicts Standard Interrupt Assignments IRQ Priority Standard Function 0 l System Timer m l 2 Keyboard Controller 2 N A Programmable Interrupt nf oy 11 Communications Port COM2 4 12 Communications Port COM1 a 13 Sound Card sometimes LPT2 al 6 14 Floppy Disk Controller i 15 Printer Port LPT 1 8 3 System CMOS Real Time Clock is 4 ACPI Mode when used 10 5 IRQ Holder for PCI Steering 11 6 IRQ Holder for PCI Steering 12 7 PS 2 Compatible Mouse Port 13 8 Numeric Data Processor 14 9 Primary IDE Channel 15 10 Secondary IDE Channel These IRQs are usually available for ISA or PCI devices Interrupt Request Table for this Motherboard IN A INEB INC INID INLE IN F INIG INIH ilai hed Z Oaa Xid kt L aw ida3 a PIga4 _ mda Isas mmda aGPPodt daed lt ANR oe o Cr ee ee S s a s nn ObadUB oc L Iad oo 26 ASUS TUA266 User s Manual 3 HARDWARE SETUP 3 7 3 Accelerated Graphics Port AGP Pro Slot This motherboard has an Accelerated Graphics Port AGP Pro slot to support the new generation graphics cards with ultra high memory bandwidth AGP Card without Retention Notch eg M
33. ity Password Feature or make changes to the power management settings It will then be necessary to reconfigure your system using the BIOS Setup program so that the computer can recognize these changes and record them in the CMOS RAM of the EEPROM The EEPROM on the motherboard stores the Setup utility When you start up the computer the system provides you with the opportunity to run this program This appears during the Power On Self Test POST Press lt Delete gt to call up the Setup utility If you are a little bit late in pressing the mentioned key POST will continue with its test routines thus preventing you from calling up Setup If you still need to call Setup restart the system by pressing lt Ctrl gt lt Alt gt lt Delete gt or by pressing the Reset button on the system chassis You can also restart by turning the system off and then back on again But do so only 1f the first two methods fail The Setup program has been designed to make it as easy to use as possible It is a menu driven program which means you can scroll through the various sub menus and make your selections among the predetermined choices To access the BIOS Setup program press the lt Delete gt key after the computer has run through its POST NOTE Because the BIOS software is constantly being updated the following BIOS setup screens and descriptions are for reference purposes only and may not exactly match what you see on your screen ASUS TUA266
34. nformation such as system passwords is powered by the onboard button cell battery To erase the RTC RAM Turn OFF the computer and unplug the power cord Remove the battery Short the solder points Re install the battery Plug the power cord and turn ON the computer Hold down the lt Del gt key during the boot process and enter BIOS setup to re enter data Se ae LS Cx CL_RTC Short solder points to Clear CMOS TUA266 Clear RTC RAM ASUS TUA266 User s Manual 3 HARDWARE SETUP 3 5 System Memory This motherboard supports either Double Data Rate DDR and Single Date Rate SDR Dual Inline Memory Modules DIMMs Two DDR DIMM sockets are available for 2 5V power level DDR Synchronous Dynamic Random Access Memory DDR SDRAM of 64 128 256 512MB or IGB densities for a system memory configuration up to 2GB Three SDR DIMM sockets are also onboard for 3 3V unbuffered SDRAM of 64 128 256 512MB or 1GB densities for a maximum system memory of 3GB WARNING Do not mix DDR DIMMs and SDR DIMMs Mixed configurations do not work on this motherboard Install memory in any combination as follows DIMM Location 184 pin DIMM DDR Total Memory Socket 1 Rows 0 amp 1 64MB 128MB 256MB 512MB IGB xl Socket 2 Rows 2 amp 3 64MB 128MB 256MB 512MB IGB xl Total System Memory Using DDR DIMMs Max 2GB DIMM Location 168 pin DIMM SDR Total Memory Socket 1 Rows 0 amp 1 64MB 128MB 256MB 512MB IGB xl
35. pin module DIMM Socket 3 64 72 bit 168 pin module DIMM Socket 3 64 72 bit 168 pin module DIMM Socket 3 64 72 bit 168 pin module Chipset ATX Power Connector om m AUDIO_PANEL Accelerated Graphics Port AGP Pro one CR2032 3V Lithium Cell PCI 1 PCI 3 PCI 4 IR PCI 5 ELIT HARRRRRRRRRE USB2 USB1 IDE_LED PANEL HARB BBEB AEE FEED TT HA FAN TUA266 FLOPPY Flash EEPROM M1535D Programable BIOS Chipset wor Lu gt lt z Audio Modem Riser NOTE The C Media CMI8738 audio chipset external GAME AUDIO connectors and internal audio connectors are optional components and present in audio models only The components are grayed in the above motherboard layout 14 ASUS TUA266 User s Manual 30 5cm 12 0in 3 HARDWARE 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 CPUSEL CPUSEL1 p 20 CPU Selection 5 CLRTC p 20 Clear RTC RAM Expansion Slots Sockets 1 DDR DIMM 1 2 p 21 System Memory Support SDR DIMM 1 2 3 2 Socket 370 p 23 CPU Support 3 PCI 1 2 3 4 5 p 25 32 bit PCI Bus Expansion Slots 4 AGP Pro p 27 Accelerated Graphics Port Slot 5 AMR Slot p 28 Audio Modem Riser Slot External Connectors 1 PS2KBMS p 29 PS 2 Mouse Port 6 pin female 2 PS
36. r removing expansion cards or other system components Failure to do so may cause severe damage to both the motherboard and expansion cards 3 7 1 Installing an Expansion Card 1 Read the documentation that comes with the expansion card and make any necessary hardware settings for the card before installing it 2 Remove the system unit cover and the bracket plate on the slot you intend to use Keep the screw for later use 3 Align the card connectors with the slot and press firmly until the card fits in place 4 Secure the card to the slot with the screw you removed earlier 5 Replace the system cover 6 Change the necessary BIOS settings if any see section 4 4 3 PCI Configuration to change the settings 7 Install the necessary software drivers for the expansion card z U 5 e f ASUS TUA266 User s Manual 25 3 HARDWARE SETUP 3 2 Assigning IRQs for Expansion Cards Some expansion cards need an IRQ to operate Generally an IRQ must be exclusively assigned to one use In a standard design there are 16 IRQs available but most of them are already in use leaving 6 IRQs free for expansion cards If your motherboard has PCI audio onboard an additional IRQ will be used If your motherboard also has MIDI enabled another IRQ will be used leaving 4 IRQs free IMPORTANT If using PCI cards on shared slots make sure that the drivers support Share IRQ or that the cards do not need IRQ assignments Conflicts ar
37. s then be processed by software such as LDCM When not using the chassis intrusion lead place a jumper cap over the pins to close the circuit Power Supply Stand By gnal Chassis Si Ground TUA266 45Volt T CHASSIS TUA266 Chassis Open Alarm Lead 36 ASUS TUA266 User s Manual 3 HARDWARE SETUP 10 Power Supply Connectors 20 pin block ATXPWR This connector connects to an ATX 12V power supply The plug from the power supply fits in only one orientation because of the different hole sizes Find the proper orientation and push down firmly making sure that the pins are aligned IMPORTANT Make sure that the ATX 12V power supply minimum recommended wattage 230W can supply at least 10mA on the 5 volt standby lead 45VSB The system may become unstable and may experience difficulty powering up if the power supply is inadequate For Wake On LAN support the ATX power supply must supply at least 720mA 5 VSB 12 0Volts 5 0 Volts 5V Standby E 5 0 Volts Power Good 5 0 Volts Ground Ground 5 0 Volts Ground Ground Ground 5 0 Volts Power Supply On Ground Ground 3 3 Volts 12 0Volts 3 3 Volts 3 3Volts TUA266 ATX Power Connector 11 SMBus Connector 5 1 pin SMB This connector allows you to connect SMBus System Management Bus devices SMBus devices communicate by means of the SMBus with an SMBus host and or oth
38. s turns the system off 22 Reset Switch Lead 2 pin RESET This 2 pin connector connects to the case mounted reset switch for rebooting the system without turning off the power switch This is a preferred method ASUS TUA266 User s Manual 41 3 HARDWARE SETUP 3 9 Starting Up the First Time After making all the connections replace the system case cover Be sure that all switches are off in some systems marked with O Connect the power cord to the power connector at the back of the system chassis Connect the power cord to a power outlet that is equipped with a surge protector u eV ND Turn on the devices in the following order a Monitor b External SCSI devices starting with the last device on the chain c System power For ATX power supplies you need to switch on the power supply as well as press the ATX power switch on the front of the chassis 6 The power LED on the front panel of the system case lights up For ATX power supplies the system LED lights up when you press the ATX power switch If the monitor complies with green standards or if it has a power standby feature the monitor LED may light up or switch between orange and green after the system LED does The system then runs the power on tests While the tests are running the BIOS beeps or additional messages appear on the screen If you do not see anything within 30 seconds from the time you turn on the power the system may have failed a power on
39. stem 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 lt 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 system damage the CPU and system fans can be monitored for RPM and failure All fans are set for its normal RPM range and alarm thresholds Power LED requires ACPI OS support The power LED indicates the system Status Remote Ring On requires modem This allows a computer to be turned on remotely through an internal or external modem With this benefit on hand users can access vital information from their computers anywhere System Resources Alert Today s operating systems such as Windows 98 ME and Windows NT 2000 require much more memory and hard drive space to present enormous user interfaces and run large applications The system resource monitor warns the user before the system resources are used up to prevent possible application crashes Suggestions provide the user some information on managing their limited resources more efficiently Temperature Monitoring and Alert CPU temperature is monitored by the ASUS ASIC through the CPU s internal thermal diode on Pentium III and Celeron to prevent system overheat and system damage Voltage Monitoring and Alert Sy
40. stem voltage levels are monitored to ensure stable voltage to critical motherboard components Voltage specifications are more critical for future processors so monitoring 1s necessary to ensure proper system configuration and management Chassis Intrusion Detection Supports chassis intrusion monitoring through the ASUS ASIC A chassis intrusion event is kept in memory on battery power for more protection ASUS TUA266 User s Manual 11 2 FEATURES 2 2 Motherboard Components i Location See opposite page for locations Processor Support Socket 370 for Pentium III Coppermine Processors 2 Feature Setting DIPS Witches aziass a denraie fsoiwlawaetusnaeteisixiaenss 8 Chipsets ALi M1651 North Bridge oo ccecscescsesecsesessessseteeecsesees 1 Ali M1535D South Bridge iiss rcsnesviaserdesartolseencenendeeiasealiees 15 2Mbit Programmable Flash EEPROM ossessi 12 Main Memory Maximum 3GB support 2 DDR DIMINGSOCKEIS ionin ninakaa 3 S SDR DIMM SOCK GUS aione aaa 5 Expansion Slots 5 PCP SIOUS esseen A R 19 Accelerated Graphics Port AGP Pro 4X Slot oe 20 Audio Modem RISET sazcchssiectocitsriincsvactstrasSoRantiveatiahieene 17 System I O 1 Floppy Disk Drive Connector 0 0 ccecccesceseeseseseeeeseseeeees 13 2 IDE Connectors UltraDMA 100 Support 0 eee 7 LASUS iPanel Connector ssaisectisataetermactauriceeedamacrorsucsieessmnsl 9 oP arale POT cicainuscassthertandsiceetudsssewtatonsdasieimisweseeatuenss Top
41. test Check the jumper settings and connections or call your retailer for assistance Award BIOS Beep Codes Beep Meaning One short beep when No error during POST displaying logo Long beeps in an endless loop No DRAM installed or detected One long beep followed by Video card not found or video card three short beeps memory bad High frequency beeps when CPU overheated system is working System running at a lower frequency 7 At power on hold down lt Delete gt to enter BIOS Setup Follow the instructions in 4 BIOS SETUP Powering Off the computer You must first exit or shut down the system before switching off the power switch For ATX power supplies you can press the ATX power switch after exiting or shutting down the operating system If you use Windows 9X click the Start button click Shut Down then click Shut down the computer The power supply should turn off after Windows shuts down NOTE The message You can now safely turn off your computer does not appear when shutting down with ATX power supplies 42 ASUS TUA266 User s Manual 4 BIOS SETUP 4 1 Managing and Updating Your BIOS 4 1 1 Upon First Use of the Computer System It is recommended that you save a copy of the original motherboard BIOS along with a Flash Memory Writer utility AFLASH EXE to a bootable floppy disk in case you need to reinstall the BIOS later AFLASH EXE is a Flash Memory Writer utility that updates the BIOS by uploading a new BIOS file to
42. tiple equals the CPU s Internal frequency the advertised CPU speed DSW CPU gt 66MHz 100MHz 133MHz SDRAM 100MHz 100MHz 133MHz TUA266 CPU External Frequency Selection WARNING Set the CPU frequency only to the recommended settings Frequencies other than the recommended CPU bus frequencies are not guaranteed to be stable Overclocking the processor is not recommended It may result in a slower speed 3 SDRAM Voltage Selection JP25V This jumper allows you to select the specific voltage supplied to the DDR DIMMs for overclocking The setting 1 2 allows for 2 5V while setting 2 3 allows for 2 6V The default setting 1s 2 5V JP25V 1 2 23 EE 2 5V 2 6V TUA266 JP25V WARNING Using a higher voltage may help when overclocking but may result in shortening the computer components life It is receommended that you keep this jumper to its default setting ASUS TUA266 User s Manual 19 20 4 5 3 HARDWARE SETUP CPU Selection CPUSEL CPUSEL1 These jumpers allow you to select the CPU type The default setting for both jumpers is 1 2 to select Intel CPUs 1 2 2 3 CPUSEL1 CPUSEL Baa o INTEL CYRIX Default TUA266 CPU Selection Clear RTC RAM CLRTC 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 i
43. ty through a WOL connector or an optional ASUS PCI L101 10 100 Fast Ethernet PCI card e Wake On Ring Supports Wake On Ring activity through a PCI modem card that supports a WOR connector g ASUS TUA266 User s Manual 2 FEATURES PC Health Monitoring Provides an easy way to test and manage system status information such as CPU and system voltages temperatures and fan status through the onboard hardware ASUS ASIC and the bundled ASUS PC Probe 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 and one parallel port with EPP and ECP capabilities UART2 can also be directed from COM2 to the Infrared Module for wireless connections The Super I O controller built in the M1535D South Bridge also supports a floppy disk drive PS 2 keyboard and PS 2 mouse Smart BIOS 2Mb firmware provides Vcore and CPU DDR SDRAM frequency adjustments boot block write protection and HD SCSI MO ZIP CD Floppy boot selection Enhanced ACPI and Anti Boot Virus Protection Programmable BIOS Flash EEPROM that offers enhanced ACPI for W
44. use severe damage to the motherboard peripherals and or components TIP When lit the onboard LED indicates that the system is in suspend or soft off mode not powered OFF See illustration below LED OFF Standby Powered Power Off TUA266 Onboard LED ASUS TUA266 User s Manual 17 18 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 1 N 1 Frequency Multiple 2 Frequency Multiple 3 Frequency Multiple 4 Frequency Multiple TUA266 DIP Switch ne JumperFree Mode JEN This jumper allows you to enable or disable the JumperFree mode The JumperFree mode allows processor settings to be made through the BIOS setup see 4 4 Advanced Menu Setting JEN Enable JumperFree 2 3 default Disable Jumper Mode 1 2 JEN 1 2 2 3 EEI Jumper Mode Jumper Free efault DSW TUA266 Jumper Mode Setting OFF ON Default NOTE In JumperFree mode set all DIP switches DSW to OFF ASUS TUA266 User s Manual 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 Mul
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