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VIA Technologies PT-6VAX User Manual

Pentium ii atx mainboard
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PT-6VAX/6VAX2
Pentium II/!!!
ATX MAINBOARD
( VER: 2.x )
USER'S MANUAL
.................................................................
DOC. NO. UM-6VAX-E1
PRINTED IN TAIWAN

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Summary of Contents for VIA Technologies PT-6VAX

  • Page 1 PT-6VAX/6VAX2 Pentium II/!!! ATX MAINBOARD ( VER: 2.x ) USER’S MANUAL ..............DOC. NO. UM-6VAX-E1 PRINTED IN TAIWAN...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS VIA 693/693A Twin Processor Mainboard TABLE OF CONTENTS Chapter & Section Page 1. INTRODUCTION ................1-1 OVERVIEW ..................... 1-1 MAINBOARD LAYOUT ............... 1-2 SPECIFICATIONS.................. 1-3 2. INSTALLATION ................2-1 UNPACKING ................... 2-1 AMAZING WAYS TO POWER ON THE PC SYSTEM....2-2 POWER OFF THE PC SYSTEM ............
  • Page 3 VIA 693/693A Twin Processor Mainboard SOMETHING IMPORTANT ! ¶ TRADEMARKS All trademarks used in this manual are the property of their respective owners. ¶ LOAD SETUP DEFAULTS “LOAD SETUP DEFAULTS” is the function which will have the BIOS default settings loaded into the CMOS memory. These default settings are the suggested...

  • Page 4: Introduction

    INTRODUCTION VIA 693/693A Twin Processor Mainboard 1. INTRODUCTION OVERVIEW This Mainboard is a revolutionary high performance personal computer mainboard. It is the ATX form-factor with Slot 1 connector designed on the board for Pentium II and Pentium !!! processors. VIA693A chipset is chosen as the system core logic of the mainboard to give the most outstanding performance and reliability.

  • Page 5: Mainboard Layout

    INTRODUCTION VIA 693/693A Twin Processor Mainboard MAINBOARD LAYOUT JP 8 1. SPK Out Sound Enabl e/Di sable 2. L ine In CN12 PS/2 Mouse C OM 2 C OM 1 USB 1 Short = Sound E na bl ed 3. Mi c. In...

  • Page 6: Specifications

    INTRODUCTION VIA 693/693A Twin Processor Mainboard SPECIFICATIONS ¥ CPU Intel® Pentium™ II, Pentium™ !!! or Celeron™ 233, 266, 300, 333. 350, 366, 400, 433, 450, 466, 500, 550, 600MHz and higher speed processors ¥ CPU VCC Switching Voltage Regulator circuits on board, supports +1.80V DC through +3.5V DC CPU Core Voltage.
  • Page 7 INTRODUCTION VIA 693/693A Twin Processor Mainboard ¥ WOL PORTS One WOL connector supports Wake-On-LAN (WOL up-designed) ¥ USB PORTS Two Universal Serial Bus (USB) ports. ¥ IDE PORTS Two channels of Ultra DMA33/66 Bus Master IDE ports, which will support up to 4 IDE devices like IDE hard disk, ATAPI CD-ROM and LS-120/ZIP-100 devices.
  • Page 8 INTRODUCTION VIA 693/693A Twin Processor Mainboard ¥ HARDWARE MONITORING (optional) Winbond W83783S (please refer to U1 on page 1-2) is designed on the board to monitor hardware healthy status like system voltage, system temperature, and cooling fans. When the CPU temperature is too high, the system BIOS will tell the...

  • Page 9: Installation

    INSTALLATION VIA 693/693A Twin Processor Mainboard 2. INSTALLATION UNPACKING The mainboard contains the following components. Please inspect the following contents and confirm that everything is there in the package. If anything is missing or damaged, call your supplier for instructions before proceeding.

  • Page 10: Amazing Ways To Power On The Pc System

    INSTALLATION VIA 693/693A Twin Processor Mainboard 2.2 AMAZING WAYS TO POWER ON THE PC SYSTEM When the mainboard has been installed successfully, there are several ways to power on the system. Please read the following description for all the details.
  • Page 11 INSTALLATION VIA 693/693A Twin Processor Mainboard ¨ PS/2™ MOUSE (LEFT OR RIGHT MOUSE BUTTON) If you have a PS/2™ mouse connected to the system, you may change the setup in the BIOS and use the mouse click to turn on the PC system power. Please refer to section 4.8 for the BIOS setting...

  • Page 12: Power Off The Pc System

    INSTALLATION VIA 693/693A Twin Processor Mainboard When you have a external modem installed, you can leave the PC system power off. Whenever there is the incoming message, the PC system will be triggered by the ring-in signal and wake up automatically to receive the message for you. From now on, you can tell your PC system to receive the fax message for you.

  • Page 13: Hardware Setup

    INSTALLATION VIA 693/693A Twin Processor Mainboard 3. HARDWARE SETUP Before you can start to install this mainboard, some hardware setting is required so that it will work perfectly. To configure the mainboard is a simple task, only a few jumpers, connectors, cables and sockets need to be selected and configured.

  • Page 14: Installing The Dram Modules

    INSTALLATION VIA 693/693A Twin Processor Mainboard 3.2 INSTALLING THE DRAM MODULES This mainboard has three DIMM sockets designed on the mainboard and you can use the single-side or double-side DIMM module on the mainboard. DIMM 1 DIMM 2 DIMM 3 In order to have a better performance, only the Synchronous (SDRAM) memory is recommended.

  • Page 15: Connectors

    INSTALLATION VIA 693/693A Twin Processor Mainboard If your DIMM module does not have the parity bit, please don't enable the Parity/ECC check feature in the BIOS setup. CONNECTORS The connectors on the mainboard are either the pin header type or D-type connectors, they are used to connect the accessories or peripheral devices (such as power, mouse, printer,...etc.).
  • Page 16 INSTALLATION VIA 693/693A Twin Processor Mainboard (B) CN1: PS/2 Mouse and Keyboard Connector PS/2 Mouse Connector PS/2 Keyboard Connector (C) CN3 : Serial Port COM 1 Connector (D) CN4 : Serial Port COM 2 Connector COM 2 COM 1 (I/O address: 3F8H/2F8H/3E8H/2E8H, IRQ3/IRQ4, selected by CMOS setup.)
  • Page 17 INSTALLATION VIA 693/693A Twin Processor Mainboard (E) CN5: Parallel Port Connector (Supports SPP/EPP/ECP modes, IRQ7 or IRQ5 is selectable, ECP mode will use either DMA channel 3 or channel 1 which can be selected by the CMOS setup probram) Parallel Port...
  • Page 18 INSTALLATION VIA 693/693A Twin Processor Mainboard (H) CN8: Floppy Disk Control Port Connector (Use IRQ6, DMA channel 2) CN8: FDC Connector (I) CN9 : IDE 1 Connectors (Primary IDE Port: 1F0H, IRQ 14) (J) CN10: IDE 2 Connectors (Secondary IDE Port: 170H, IRQ 15)
  • Page 19 INSTALLATION VIA 693/693A Twin Processor Mainboard (K) CN12: IR / FIR (Infrared Rays) Connector Consumer IR Connector ( Consumer IR connector is active only when W83977CTF-AW I/O Chip is installed on position U13 ) IR/FIR (INFRARED RAYS) CONNECTOR CONSUMER IR CONNECTOR...
  • Page 20 INSTALLATION VIA 693/693A Twin Processor Mainboard CN15: ATX Power Connector CN15 ATX Power connector (N) CN16: WOL (Wake On LAN) Connector In order to use the WOL LAN card to trigger the power of the PC system, the switching power supply must be able to provide at least 700mA current driving ability on the “5V standby”...
  • Page 21 INSTALLATION VIA 693/693A Twin Processor Mainboard (O) CN17: Chassis Fan Power Connector Ground +12V DC Fan Sense Signal 1 2 3 CN 17 (P) CN18: Audio/Game Connector: (Optional) 1. SPK_OUT CN18 2. LINE_IN 3. MIC._IN 4. GAME /MIDI PORT...
  • Page 22 INSTALLATION VIA 693/693A Twin Processor Mainboard (Q) CN21 / CN22: CD-IN Connector: (Optional) The CD-IN connectors on the board can be used to connect to the CD ROM audio out. There are two different type of connectors, please check with your CD ROM drive and decide which connector will be used to connect to the CD ROM drive.
  • Page 23 INSTALLATION VIA 693/693A Twin Processor Mainboard Reset Button Connector Pin # Signal name Pin1&2 Function Reset Control Open No action Ground Short System Reset IDE HDD LED Connector Pin # Signal name + 5V DC Pull-up HDD Active Signal Sleep LED Connector...
  • Page 24 INSTALLATION VIA 693/693A Twin Processor Mainboard b. When the system is in Suspend mode : b-1. Click on this switch ( less than 4 seconds ), the system will return to Full-ON mode. b-2. Press and hold this switch more than 4 seconds, the system will be powered off.

  • Page 25: Jumpers

    INSTALLATION VIA 693/693A Twin Processor Mainboard PWR-LED & KBLOCK: Front Panel Power LED and Key-Lock Connector Pin # Signal name Pullup (+ 5V DC for Power LED) No Connection Ground Keyboard Lock Ground 3.4 JUMPERS This section will discuss the jumper setting on the mainboard. In order to let you have better idea of the jumper setting, please see below for the explanation of jumper settings before you start this section.
  • Page 26 INSTALLATION VIA 693/693A Twin Processor Mainboard The Keyboard and PS/2 Mouse OnNow function is designed on the mainboard and you can use keyboard and mouse key clicks to power on the PC system. However, there may have some keyboard and mouse are not compatible with the OnNow function.
  • Page 27 INSTALLATION VIA 693/693A Twin Processor Mainboard 3-15...
  • Page 28 INSTALLATION VIA 693/693A Twin Processor Mainboard (E) JP9: Clear CMOS Data & Keyboard Password Button 1-2 Short 2-3 Short CMOS Clear Button Normal Setting Clear CMOS CMOS Data Clear Button Note: Improper BIOS setting may cause hang-up to the PC system, Should it be happened, you may use JP9 to clear the information which is stored in the CMOS memory and get the PC system back to normal.
  • Page 29 INSTALLATION VIA 693/693A Twin Processor Mainboard Note: If you forget the keyboard password which you selected in the BIOS setup program, you may not be able to power on your PC system. (Please refer to Section 4.9 - POWER ON FUNCTION) In case that it happened and you fail to turn on the PC system.
  • Page 30 INSTALLATION VIA 693/693A Twin Processor Mainboard (G) JP12: CPU Voltage Range Selection (Optional) JP12 is a special design on the mainboard. JP12 allows you to select the CPU core voltage range (Vcore) to protect the CPU. The voltage regulator on the mainboard will generate 1.3V ~ 3.5V DC to support different processors.
  • Page 31 JP100 JP133 This mainboard is designed by using either VIA 693 or 693A chipset. When VIA693 is installed on the mainboard, you will see only JP100 on the board and you can use it to tell the mainboard to use the choosen FSB clock in the following table despite the CPU installed on the mainboard.
  • Page 32 INSTALLATION VIA 693/693A Twin Processor Mainboard When 693A chipset is installed onboard: JP 100 JP133 FSB CLOCK Pin1 - Pin2 Pin3 - Pin4 Pin1 - Pin2 Pin3 - Pin4 66MHz Open Short Open Short 100MHz Open Open Open Short 133MHz...
  • Page 33 INSTALLATION VIA 693/693A Twin Processor Mainboard CPU (MHz) Clock Ratio 233, 350 3.5X 266, 400 4.0X 300, 450 4.5X 333, 500 5.0X 366, 550 5.5X 400, 600 6.0X 433, 650 6.5X 466, 700 7.0X 500, 750 7.5X 533, 800 8.0X Note: SW setting is inactive when the CPU clock ratio is specified and locked by the CPU .

  • Page 34: Installation Of Device Drivers

    …etc. Please look into the CD diskette which comes with this mainboard and refer to the readme.txt located in the directory: "D:\Driver\mainboard\VIA " ( "D:" is the device name of your CD ROM drive) B. Install the Hardware Monitoring Program: (optional) (Please note that the Hardware Monitoring is optional on the board) Step 1.

  • Page 35: Award Bios Setup

    AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard AWARD BIOS SETUP 4.1 GETTING STARTED When the system is first time powered on or reset by user, the system BIOS will enter the Power On Self Test routines ( POST, which will display a copyright message on the screen and execute a diagnostics and initialization procedure.) In case that there is any...

  • Page 36: Main Menu

    AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard 4.2 MAIN MENU ROM PCI / ISA BIOS (2A6LGXXX) CMOS SETUP UTILITY AWARD SOFTWARE, INC. STANDARD CMOS SETUP SUPERVISOR PASSWORD BIOS FEATURES SETUP USER PASSWORD CHIPSET FEATURES SETUP IDE HDD AUTO DETECTION POWER MANAGEMENT SETUP SAVE &...

  • Page 37: Standard Cmos Setup

    AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard 4.4 STANDARD CMOS SETUP ROM PCI / ISA BIOS (2A6LGXXX) STANDARD CMOS SETUP AWARD SOFTWARE, INC. Date (mm : dd : yy) : Mon, 20 1998 Time (hh : mm : ss : 16 : 03 : 33...

  • Page 38: Bios Features Setup

    AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard 4.5 BIOS FEATURES SETUP ROM PCI / ISA BIOS (2A6LGXXX) BIOS FEATURES SETUP AWARD SOFTWARE, INC. Virus Warning Disabled Video BIOS Shadow : Enabled CPU Internal Cache : Enabled C8000-CBFFF Shadow : Disabled...
  • Page 39 AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard CPU Internal Cache / External Cache : (default setting: Enabled ) These fields allow you to turn on or turn off the Level 1 and Level 2 cache that built-in Pentium™ II/!!! or Celeron™ processors.
  • Page 40 AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard Boot Up NumLock Status : ( default setting: Off ) When enabled, the NumLock LED will be lightened after the POST. IDE HDD Block Mode : ( default setting: Enabled ) This field allows you to enable or disable the HDD block mode.

  • Page 41: Chipset Features Setup

    AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard 4.6 CHIPSET FEATURES SETUP ROM PCI / ISA BIOS (2A6LGXXX) CHIPSET FEATURES SETUP AWARD SOFTWARE, INC. Bank 0 / 1 DRAM Timing : SDRAM 10ns Auto Detect DIMM / PCI Clk : Enabled...
  • Page 42 AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard Memory Hole At 15M-16M: (default setting : Disabled ) In order to improve performance, certain space in memory can be reserved for ISA cards. This memory must be mapped into the memory space below 16 MB.
  • Page 43 AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard AGP Aperture Size (MB) : (default setting: 64MB ) There is the AGP slot on the board and which allows user to install the AGP display card in the system. The AGP display card will use some of the system memory to store 3D texture mapping data so that the video performance can be increased tremendously.
  • Page 44 This selection field is used to decide the CPU FSB clock. Basically, this mainboard is designed by Intel VIA 693/693A AGPset and it supports both the 100MHz and 66MHz FSB frequency. When you select “default” setting, the system BIOS will detect the CPU type and decide the FSB clock automatically.

  • Page 45: Power Management Setup

    AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard 4.7 POWER MANAGEMENT SETUP ROM PCI / ISA BIOS (2A6LGXXX) POWER MANAGEMENT SETUP AWARD SOFTWARE, INC. ACPI function Disabled Primary INTR : ON Power Management : User Define IRQ3 (COM 2) : Primary...
  • Page 46 AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard When the ACPI function is installed in your PC system successfully, you will find the ACPI function in the power management icon. The PW switch (mentioned in Section 3) defined by the ACPI is different to the BIOS setup and it always has the higher priority than what was defined in the system BIOS.
  • Page 47 AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard PM Control APM: (Default setting: "Yes" ) When enabled, an Advanced Power Management device will be activated to enhance the Max. Power Saving mode and stop the CPU internal clock. If the Max. Power Saving is not enabled, this will be preset to No .
  • Page 48 AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard HDD Power Down : ( Default setting: Disable ) When enabled and after the set time of system inactivity, the hard disk drive will be powered down while all other devices remain active.

  • Page 49: Pnp/Pci Configuration

    AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard PNP/PCI CONFIGURATION ROM PCI / ISA BIOS (2A6LGXXX) PNP/PCI CONFIGURATION AWARD SOFTWARE, INC. PNP OS Installed CPU to PCI Write Buffer : Enabled Resources Controlled By : Manual PCI Dynamic Bursting : Enabled...
  • Page 50 AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard Manual : The system BIOS will not refer to the ESCD data to assign IRQ & DMA. Instead, it will refer to the information recorded in this field when Assigning the IRQ & DMA resource. ( the system BIOS will always refer to the ESCE data to assign the I/O and memory space resources ).
  • Page 51 AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard CPU to PCI Write Buffer : (Default Setting : Enabled) When enabled, up to four Dwords of data can be written to the PCI bus without interrupting the CPU. When disabled, a write buffer is not used and the CPU read cycle will not be completed until the PCI bus signals is ready to receive the data.
  • Page 52 AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard It is very simple to tell the difference. If you are going to disable the IRQ on the USB port, check whether is any device connected to the USB port. If you can not find any device, you may feel free to disable the IRQ on the USB port and have the IRQ used by other device.

  • Page 53: Integrated Peripherals

    AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard 4.9 INTEGRATED PERIPHERALS ROM PCI / ISA BIOS (2A6LGXXX) INTEGRATED PERIPHERALS AWARD SOFTWARE, INC. On-Chip IDE Channel 0 Enabled UART Mode Select : Normal On-Chip IDE Channel 1 : Enabled IDE Prefetch Mode...
  • Page 54 AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard OnChip IDE Channel0/Channel1 ( Default setting : “Enabled” ) The chipset contains a PCI IDE interface with support for two IDE channels. Select Enabled to activate the first and/or second IDE interface. Select Disabled to deactivate an interface, if you install a primary and/or secondary add-in IDE interface.
  • Page 55 AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard Onboard FDD Controller: ( Default setting : “Enabled” ) This should be enabled if your system has a floppy disk drive (FDD) installed on the system board and you wish to use it. Even when so equipped, if you add a higher performance controller, you will need to disable this feature.

  • Page 56: Load Setup Defaults

    AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard 4.10 LOAD SETUP DEFAULTS ROM PCI / ISA BIOS (2A6LGXXX) CMOS SETUP UTILITY AWARD SOFTWARE, INC. STANDARD CMOS SETUP SUPERVISOR PASSWORD BIOS FEATURES SETUP USER PASSWORD CHIPSET FEATURES SETUP IDE HDD AUTO DETECTION POWER MANAGEMENT SETUP SAVE &...

  • Page 57: Supervisor Password

    AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard 4.11 SUPERVISOR PASSWORD ROM PCI / ISA BIOS (2A6LGXXX) CMOS SETUP UTILITY AWARD SOFTWARE, INC. STANDARD CMOS SETUP SUPERVISOR PASSWORD BIOS FEATURES SETUP USER PASSWORD CHIPSET FEATURES SETUP IDE HDD AUTO DETECTION POWER MANAGEMENT SETUP SAVE &...

  • Page 58: User Password

    AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard 4.12 USER PASSWORD ROM PCI / ISA BIOS (2A6LGXXX) CMOS SETUP UTILITY AWARD SOFTWARE, INC. STANDARD CMOS SETUP SUPERVISOR PASSWORD BIOS FEATURES SETUP USER PASSWORD CHIPSET FEATURES SETUP IDE HDD AUTO DETECTION POWER MANAGEMENT SETUP SAVE &...
  • Page 59 AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard B. When there is no password stored in the "SUPERVISOR PASSWORD" 1. When "Setup" is selected in Security Option: Users can use the "User Password" to log into the BIOS setup program, and they can make all the change in the BIOS setup program.

  • Page 60: Ide Hdd Auto Detection

    AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard 4.13 IDE HDD AUTO DETECTION ROM PCI / ISA BIOS (2A6LGXXX) CMOS SETUP UTILITY AWARD SOFTWARE, INC. STANDARD CMOS SETUP SUPERVISOR PASSWORD BIOS FEATURES SETUP USER PASSWORD CHIPSET FEATURES SETUP IDE HDD AUTO DETECTION POWER MANAGEMENT SETUP SAVE &...
  • Page 61 AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard ROM PCI / ISA BIOS (2A6LGXXX) CMOS SETUP UTILITY AWARD SOFTWARE, INC. STANDARD CMOS SETUP SUPERVISOR PASSWORD BIOS FEATURES SETUP USER PASSWORD CHIPSET FEATURES SETUP IDE HDD AUTO DETECTION POWER MANAGEMENT SETUP SAVE &...

  • Page 62: Exit Without Saving

    AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard 4.15 EXIT WITHOUT SAVING ROM PCI / ISA BIOS (2A6LGXXX) CMOS SETUP UTILITY AWARD SOFTWARE, INC. STANDARD CMOS SETUP SUPERVISOR PASSWORD BIOS FEATURES SETUP USER PASSWORD CHIPSET FEATURES SETUP IDE HDD AUTO DETECTION...
  • Page 63 AWARD BIOS SETUP VIA 693/693A Twin Processor Mainboard...

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