Abit AX5 Specifications

Part No:MN-096-2C1-41 Rev:1.21ForewordForewordThank you for purchasing the AB-PX5/AX5/TX5 as the heart of your computer’s system.We hope this instruct

1-6 Chapter 17. System BIOSl AWARD BIOSl Supports Plug-and-Play (PnP)l Supports Advanced Configuration Power Interface (ACPI)l Supports Desktop Manage

Appendix FF-22Example 2: With a system including the mainboard (with CPU, DRAM,COAST...) HDD, CD-ROM, FDD, VGA CARD, LAN CARD,MPEG CARD

Technical Support F-3$ $ Main instructions...To fill in this “Technical Support Form”, refer to the step-by-stepinstructions given below:*1.

Appendix FF-44. DRIVER REV: Note the driver version number indicated on the DEVICE DRIVER disk as “Release *.**”.Example:< IDE Device Dri

Technical Support F-59. System Memory (DRAM): Indicate the brand and specifications (SIMM/DIMM)of your system memory.Examples:In the Brand space, w

Appendix FF-6

Technical Support F-7& Technical Support FormCompany name: ( Phone #:J Contact: /Fax #: Model * BIOS ID # * Mainboard model no

Appendix FF-8

Appendix G Flash BIOS UserInstructionsExample 1 To update BIOS and create a backup of the current system BIOSexecute this command:AWDFLASH NEWBIOS

G-2Appendix GExplanation of parameter names:/CC: Clears CMOS data/CP: Clears PnP dataRemarks:¬ When executing AWDFLASH.EXE, do not run HIMEM.SYS andEM

How to install the Ultra DMA/33 drive.H-1 Appendix H How to install the Ultra DMA/33 drive.For best results from your Ultra DMA/33, your

Introduction of AX5/PX5/TX5 Features 1-7nLayout diagramFig 1-2 Layout diagram

H-2Appendix H 2. License: Notebook - close the view3. Question: Click ‘Yes’

How to install the Ultra DMA/33 drive.H-34. Select Components: Click ‘INSTALL 5. Question: Click ‘Yes’ 6. Question: Click ‘Yes’

H-4Appendix H 7. Information: Click ‘OK’ After previous instructions have been followed, the driver will automatically install.It will automatic

How to install the PCI bridge driver for 430TX chipsetI-1Appendix IHow to install the PCI bridge driver for 430TX chipsetThis product CD-Title has att

I-2Appendix I Step2. Execute the Product CD-Title ABIT95.EXE and choice Driver è PCI Bridge Driverfor Windows 95, then you will see the screen below:

How to install the PCI bridge driver for 430TX chipsetI-3Step3. Click NEXTStep 4. You will see the license agreement dialog screen, click Yes.

I-4Appendix IStep 5. Click Next, then wait a while, until you see the installation complete screen.

How to install the PCI bridge driver for 430TX chipsetI-5Step 6. Restart your computer, then check the Device Manager again. First, you can check H

I-6Appendix I

How to install the PCI bridge driver for 430TX chipsetI-7Step 7. Also check System Device, to find out if three devices are identified as well. ( Plea

1-8 Chapter 1®TX5nSpecifications1. Supports AT and ATX power supply2. CPU frequency and voltage setup with CPU “SOFT MENU™”l Setup of the mainboard

Introduction of AX5/PX5/TX5 Features 1-9l Up to 256MB memory configuration possible7. System BIOSl AWARD BIOSl Supports Plug-and-Play (PnP)l Supports

1-10 Chapter 1The EISCA(Enhanced Intelligent System Cooler Architecture)is a specially designed 12-pin interface which integrates theMainboard

Introduction of AX5/PX5/TX5 Features 1-11nLayout diagramFig 1-3 Layout diagram

1-12 Chapter 1¯System block diagramFig. 1-4 System block diagramPentium Processor3.3VHost BUSDataAddressControlCtrl AddrSecondLevel CachePCI BUSCt

Installing the Mainboard 2-1Chapter 2 Installing theMainboardThis AX5/PX5/TX5 mainboard not only provides all standard equipment forclassic personal

2-2 Chapter 2&Us r ri nd y ns ru ti nsOur objective is to enable the novice computer user to perform the installationby themselves. We have a

Installing the Mainboard 2-3¬ Installing the Mainboard to the CasingMost computer cases will have a base on which there will be many mountingholes tha

the ZIF socket (if you are installing a fan, install it on top). Plug DRAM module inand then plug the keyboard in. Plug in the electrical cord (ensure

2-4 Chapter 2-Standard External ConnectorsInside the case of any computer several cables and plugs have to beconnected. These cables

Installing the Mainboard 2-5PN1 - Power ON/OFF connectorsThere is no specific orientation. Since most cases do not support this feature,most of you

2-6 Chapter 2PN2 - Speaker connectorThere is no specific orientation. Connect the four-thread speaker cable tothe PN2 connector pins on the

Installing the Mainboard 2-7FAN1 - CPU Fan power connector (TX5)This has a specific orientation. Connect the three-threads CPU fan cable to theFAN1 co

2-8 Chapter 2ATXPWR - ATX Power input ConnectorsThese have a specific orientation. The three warning marks indicate that if youmake a mistake in pin n

Installing the Mainboard 2-9Mechanics of Mouse/Keyboard/USB/COM1/COM2/LPT (AX5)Mouse - PS/2 Mouse connector Watch the pin number and the orientatio

2-10 Chapter 2This has an orientation pin. Connect your keyboard connector to the connectoron the mainboard.Pin number Name of the signal or significa

Installing the Mainboard 2-11LM1 - Enhanced Intelligent System Coller Architecture Connectors(TX5)This has an orientation pin. Connect your EISCA conn

2-12 Chapter 2®Jumpers and SwitchesCCMOS : Delete the contents of the CMOSThis jumper is set on pins 1 and 2 at the factory, in order fo

Installing the Mainboard 2-13¯Presentation and Installation of the CPUJumperless Mainboard (Mainboard with no DIP Switch or Jumper)The AX5/PX5/TX5 m

Part No:MN-096-2C1-41 Rev:1.21Table of Contents ForewordChapter 1 Introduction of AX5/PX5/TX5 Features¬ AX5 ...

2-14 Chapter 2Related terminology :External clockAlso referred to as the external CPU clock, or “Bus clock”, it is the inputclock of the CPU. For inst

Installing the Mainboard 2-15CPU Voltage - Vcore and VioFrom the voltage point of view, 586 series CPU can be divided into twocategories: single vol

2-16 Chapter 2°Installing System Memory¡iDRAMMemory¡jWhen this mainboard was designed, we not only have taken into accountthe present needs, but w

Installing the Mainboard 2-17correction feature, this mainboard does not support it.

2-18 Chapter 23. Maximum memory capacity 256M bytes supported by this mainboard.¡iRelationships between memory modules and PentiumCPUs¡jPentium P54C .

Installing the Mainboard 2-19¡i168-pin DIMM modules specifications¡jAccording to the standards defined by JEDEC, there are a lot ofdifferent types of

2-20 Chapter 2Scenario 3: You use 72-pin SIMM modules and 168-pin DIMM modules:l The maximum memory size is: 256M bytes.l Support possible for single

Installing the Mainboard 2-21Table 2-1 72-pin SIMM Module Installation¡i SIMM1, SIMM2 ¡j ¡i SIMM3, SIMM4 ¡j *1st¡i 2nd pair ¡j 2nd¡i 1st pair ¡jTotal

2-22 Chapter 2Table 2-2 168-pin DIMM Module Installation¡i DIMM1 ¡j ¡i DIMM2 ¡j ¡i DIMM3 ¡j1st¡i 2nd or 3rd¡jpair2nd¡i 1st or 3rd¡jpair3rd¡i 1st or 2n

Installing the Mainboard 2-238Mx64 ¡i 64M¡jINSERTED 80MB16Mx64¡i 128M ¡j144MB¡i DIMM1 ¡j ¡i DIMM2 ¡j ¡i DIMM3 ¡j1st¡i 2nd or 3rd¡jpair2nd¡i 1st or 3rd

³ Load Setup Defaults ...3-28´ Password Setting...

2-24 Chapter 216Mx64¡i 128M ¡j192MB1Mx64 ¡i 8M¡j72MBNO2Mx64 ¡i 16M¡j80MB8Mx64 ¡i 64M ¡jMODULE4Mx64 ¡i 32M¡j96MBINSERTED8Mx64 ¡i 64M¡j128MB16Mx64¡i 128

Installing the Mainboard 2-25The voltage for the 72pin SIMM is +5V, and the 168pin DIMMis +3V, according the specification, it strongly recommend that

Introduction of BIOS 3-1Chapter 3 Introduction of BIOSThe BIOS is a program located on a Read-Only Memory chip on themainboard. This pro

3-2 Chapter 3Three to five seconds after the message is displayed, if you press the Delkey, or if you press simultaneously the Ctrl Alt Esc keys, you

Introduction of BIOS 3-3¬CPU Setup¡iCPU SOFT MENU™¡jThe CPU can be setup through a programmable switch (CPU SOFTMENU™ ), that replaces tradi

3-4 Chapter 3CPU Operating Speed:This option sets the CPU speed. Different CPU brands use differenttechniques to indicate the CPU speed. For

Introduction of BIOS 3-5various brands and types available.Normally, we do not recommend that you use the “User Define” option to setupCPU speed and m

3-6 Chapter 3Method 2: Try turning the system on a few times (3~4 times) and thesystem will automatically use its standard parameters

Introduction of BIOS 3-7¤ When the CPU is dual voltage, two options will be displayed to set upVcore and Vio plane voltage/ Core Plane Voltage:ä 2.20v

Introduction of AX5/PX5/TX5 Features 1-1Chapter 1 Introduction ofAX5/PX5/TX5 FeaturesThe AX5/PX5/TX5 have been especially designed for File

3-8 Chapter 3operating voltage limits.2. The voltage value given is the central value. For example, the voltagerange of 3.52V is 3.45V to 3.6V. The ce

Introduction of BIOS 3-9Attention: After setting up the parameters and you leave the BIOS SETUP, andyou have verified that the system can be bo

3-10 Chapter 3-Standard CMOS Setup MenuIt is the basic configuration parameters of the BIOS. These parametersinclude the settings of date, h

Introduction of BIOS 3-11ä LBA (Logical Block Addressing) mode:LBA mode supports hard disk drives up to 8.4Giga. This modeuses a different method to c

3-12 Chapter 3®BIOS Features Setup MenuBIOS Features Setup Menu has already been set for maximum operation. Ifyou do not really understand each of the

Introduction of BIOS 3-13CPU External Cache:This item is used to enable or to disable the CPU external cache. When theexternal cache is enabled, the s

3-14 Chapter 3Boot Up NumLock Status:ä On: At boot up, the Numeric Keypad is in numeric mode.ä Off: At boot up, the Numeric Keypad is in cursor contro

Introduction of BIOS 3-15Security Option:This option can be set to System or to Setup.After you have created a password through PASSWORD SETTING, this

3-16 Chapter 3Video BIOS Shadow:This option is used to define whether the BIOS on the video card usesshadow feature or not. You should se

Introduction of BIOS 3-17 Shadowing address ranges (DC000-DFFFF Shadow):This option allows you to decide if the memory block (BIOS) of an

1-2 Chapter 1¬AX5nSpecifications1. Support ATX power supply.2. CPU frequency and voltage setup with CPU “SOFT MENU™”l Setup of the mainboard’s fre

3-18 Chapter 3¯Chipset Features Setup MenuThe Chipset Features Setup Menu is used to modify the contents of thebuffers in the chipset on the m

Introduction of BIOS 3-19Attention:Unless you are very familiar with your computer and with theDRAM configuration and speed, we recommend you n

3-20 Chapter 3°Power Management Setup MenuThe difference between Green PCs and traditional computers is that Green PCshave a power management feature

Introduction of BIOS 3-212. Use arrow keys to go to the item you want to configure. To change thesettings, use "PgUP", "P

3-22 Chapter 3Video Off After:Select the saving mode in which the video is switched off.ä Always OnThe video will never be switched off in no saving m

Introduction of BIOS 3-23Suspend Mode:When the setting selected for "Power Management" is "User Define", youcan define for this mo

3-24 Chapter 3±PCI & Onboard I/O SetupIn this menu, you can change the INT# and IRQ of the PCI bus and theonboard I/O device, I/O port address and

Introduction of BIOS 3-25BIOS Auto-Config PCI IRQ:This option enables or disables the BIOS capability to automatically assignIRQs. The BIOS default is

3-26 Chapter 3ä PCI-slotX: Some old PCI IDE cards cannot be detected by the BIOS. Ifthe onboard BIOS cannot detect a PCE IDE card, you have to specify

Introduction of BIOS 3-27On board Serial Port 1:This is used to specify the I/O address and IRQ of Serial Port 1. Tenoptions are avail

Introduction of AX5/PX5/TX5 Features 1-37. System BIOSl AWARD BIOSl Supports Plug-and-Play (PnP)l Supports Advanced Configuration Power Interface (ACP

3-28 Chapter 3/ EPP Mode Select:When the mode selected for the onboard parallel port is EPP, twoEPP version options are available: EPP1.7 o

Introduction of BIOS 3-29²Load BIOS DefaultsBIOS defaults are the reference settings that allow your system to work ata comparatively low performance.

3-30 Chapter 3´Password SettingThis option allows you to set a password required to start the system(System) or to access to the BIOS (Set

Introduction of BIOS 3-31µIDE HDD Auto DetectionAfter you have installed the hard disk, in old systems, you had to know thehard disk specifications, s

Quick InstallationA-1Appendix A Quick InstallationAppendix A will give you a simplified installation procedure, in order toallow you to install tour m

Appendix AA-2IDE1- Connect one end of the 40-pin cable that comeswith the drive to the HDD connector, and the other end to IDE1 pin connectoron the ma

Quick InstallationA-3Watch the pin position and theorientationPN1 - There is a specific orientation for pin 7 and pin 8. Connect the

Appendix AA-4Watch the pin position andthe orientationATXPWR - Connect the power supply unit to the correct connectors on themainboard.Pin number

Quick InstallationA-5Mouse - Connect the six-threads PS/2 Mousecable that comes with the hardware to the connector on the mainboard. Installthe brack

1-4 Chapter 1nLayout diagramFig 1-1 Layout diagram

Appendix AA-6

Intel Pentium CPUsB-1Appendix B Intel Pentium CPUsPentium 75MHzCPU CPU Internal Bus External PowerCPU DPSpeed Spec. Clock Factor Clock Vc

Appendix BB-2Pentium 90MHzCPU CPU Internal Bus External PowerCPU DPSpeed Spec Clock Factor Clock Vcore VIO Timing Supp. NoteP54C Sx653

Intel Pentium CPUsB-3Pentium 100MHzCPU CPU Internal Bus External PowerCPU DPSpeed Spec Clock Factor Clock Vcore VIO Timing Supp. NoteP54C

Appendix BB-4Pentium120MHzCPU CPU Internal Bus External PowerCPU DPSpeed Spec. Clock Factor Clock Vcore VIO Timing Supp. NoteP54CQS Q0708

Intel Pentium CPUsB-5Pentium 133MHzCPU CPU Internal Bus External PowerCPU DPSpeed Spec Clock Factor Clock Vcore VIO Timing Supp. NoteP54C

Appendix BB-6Pentium 150MHzCPU CPU Internal Bus External PowerCPU DPSpeed Spec Clock Factor Clock Vcore VIO Timing Supp. NoteP54CS Q083

Intel Pentium CPUsB-7Pentium 200MHzCPU CPU Internal Bus External PowerCPU DPSpeed Spec Clock Factor Clock Vcore VIO Timing Supp. NoteP54C

Appendix BB-8Y Bus FactorPower STD3.15V~3.465V (Recommended voltage is 3.38V)VR3.300V~3.465V (Recommended voltage is 3.38V)VRE3.450V~3.6V (Recommended

AMD-K5 CPUs C-1Appendix C AMD-K5 CPUsRecognizing AMD CPU speed, voltage and package: AMD-K5-PR100 A B Q xxReservedCase TemperatureQ= 60 ¢JR= 70 ¢

Introduction of AX5/PX5/TX5 Features 1-5-PX5nSpecifications1. Supports AT power supply2. CPU frequency and voltage setup with CPU “SOFT MENU™”l Set

Appendix CC-2

Cyrix 6x86 CPUsD-1Appendix D Cyrix 6x86 CPUsRecognizing Cyrix CPU speed and voltage: 6x86-P166+ GP 133 MHz3.52V (028)Name of theprocessor 6

Appendix DD-2

General Discussion about HDD InstallationE-1Appendix E General Discussion about HDD InstallationMost of the present HDDs use IDE interface. Installing

Appendix EE-2The higher the MODE value is, the best is the hard disk data transfer rate.But this does not mean that you can select the highest mode va

General Discussion about HDD InstallationE-3Installing a hard disk:In the Standard CMOS Setup Menu,♦ Primary means the first connector on the m

Appendix EE-4Installing two HDDs: The red line on the connection cable must be lined up with pin 1 on the connector.Method 1: Set the hard disk drive

General Discussion about HDD InstallationE-5Installing three HDDs: The red line on the connection cable must be lined up with pin 1 on the connector.M

Appendix EE-6♦ If one or several of your HDD are old, and if you don’t want to erasethe data stored in your drives, you will have to remembe

Technical Support F-1Appendix F Technical SupportL When you have a problem during operation...In order to help our technical support personnel to quic