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G686IP A
Rev . A+
System Board
User' s Manual
- 32160809 -

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Summary of Contents for DFI G686IPA

  • Page 1 G686IP A Rev . A+ System Board User’ s Manual - 32160809 -...
  • Page 2 FCC Statement on Class B 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 in- terference when the equipment is operated in a residential installation.
  • Page 3: Table Of Contents

    Table of Contents Chapter 1: Introduction ............5 Features and Specifications ..........6 Package Checklist .............. 7 Chapter 2: Hardware Installation ..........8 Preparing the Area.............. 8 Handling the System Board ..........8 Installing the System Board ..........9 Board Layout ..............11 System Memory ..............12 Installing a SIM Module ..........14 CPU Installation ..............14...
  • Page 4 IDE HDD Auto Detection ..........46 HDD Low Level Format ..........49 Save & Exit Setup ............49 Exit Without Saving............50 System Error Report ............50 IDE Device Drivers .............52 Chapter 4: Troubleshooting Checklist ..........53 Appendix A: Types of Modules ............54 Appendix B: Memory and I/O Maps ..........55 Appendix C: Connectors ..............
  • Page 5: Chapter 1 Introduction

    Chapter 1 Introduction The G686IPA design is based on the Intel 440FX (Natoma) chipset. It is equipped with a 387-pin Zero Insertion Force (ZIF) CPU socket to sup- ® port Intel Pentium Pro™ CPUs running at 150MHz, 166MHz, 180MHz and 200MHz. Pentium Pro™ CPUs have 256KB or 512KB L2 internal cache providing optimum system performance.
  • Page 6: Features And Specifications

    Features and Specifications PROCESSOR • Intel Pentium Pro 150/166/180/200MHz with 256KB or 512KB L2 internal cache CHIPSET • Intel 440FX (Natoma) PCIset SYSTEM MEMORY • 8MB to 512MB onboard memory • Four 72-pin SIMM sockets • Uses EDO or fast page mode x32 or x36 DRAM, 60ns or 70ns, 5V •...
  • Page 7: Package Checklist

    • 3 dedicated 16-bit ISA slots • 1 shared PCI/ISA slot • 4 layers, ATX form factor • 30.48cm (12") x 22.52cm (8.87") Package Checklist The G686IPA package contains the following items: • The G686IPA system board • The G686IPA user’ s manual •...
  • Page 8: Chapter 2: Hardware Installation

    Chapter 2 Hardware Installation This chapter summarizes the steps to install the G686IPA system board into your system unit. It also includes a description of the area in which you must work and directions for memory installation. Before installing the system board, obtain the memory you plan to install. Please refer to the information on pages 13 and 14 for the number and type of memory modules needed for the amount of memory you require.
  • Page 9: Installing The System Board

    ESD protection. Installing the System Board If you are installing the G686IPA system board, the following outlines the basic installation steps. Before installing the system board into your system unit, you should prepare the tools you will need.
  • Page 10 4. Loosen the screws holding the original system board and remove the board from the system. Save the screws. 5. Remove the G686IPA from its original packing box. Be careful to avoid touching all connectors and pins on the board. Please refer to the handling instructions on pages 8-9 for proper handling tech- niques.
  • Page 11: Board Layout

    Board Layout " " square denotes pin 1...
  • Page 12: System Memory

    Bank 0 or Bank 1, but you must populate a bank first before going to the next bank. The G686IPA system board can support 8MB to 512MB of memory us- ing 1MBx32/x36, 2MBx32/x36, 4MBx32/x36, 8MBx32/x36, 16MBx32/x36 or 32MBx32/x36 72-pin SIMMs. The table below shows the supported SIM modules and their corresponding memory sizes.
  • Page 13 Bank 0 Bank 1 SIMM4 Memory Size SIMM3 SIMM1 SIMM2 1MBx32/x36 — 1MBx32/x36 — 2MBx32/x36 — 16MB 2MBx32/x36 — 1MBx32/x36 1MBx32/x36 16MB 1MBx32/x36 1MBx32/x36 1MBx32/x36 2MBx32/x36 2MBx32/x36 24MB 1MBx32/x36 4MBx32/x36 — — 32MB 4MBx32/x36 2MBx32/x36 2MBx32/x36 2MBx32/x36 32MB 2MBx32/x36 1MBx32/x36 1MBx32/x36 4MBx32/x36 4MBx32/x36...
  • Page 14: Installing A Sim Module

    CPU Installation The G686IPA allows for easy installation of CPUs. Make sure all jumpers are set correctly before applying power or you may damage the CPU or system board. Please see the jumper settings on the following pages. Use the needle-nosed pliers to move the jumpers if necessary.
  • Page 15: Jumper Settings For Cpus

    Jumper Settings for CPUs 4 6 8 Pins Pins Pins Pins Voltage VID Support* 3 5 7 2.1V 2.2V 2.3V 2.4V 2.5V 2.6V 2.7V 2.8V 2.9V 3.0V 3.1V 3.2V 3.3V 3.4V 3.5V Warning: If your Pentium Pro CPU supports VID (Volt- age ID), set JP7 pins 1-2, 3-4, 5-6 and 7-8 to Off, which is the default setting.
  • Page 16: Installing Upgrade Cpus

    Installing Upgrade CPUs The G686IPA is equipped with a 387-pin Zero Insertion Force (ZIF) socket at location U31 of the system board. Refer to page 11 for the location of the ZIF socket. This socket is designed for easy removal of an old CPU and easy insertion of an upgrade CPU.
  • Page 17 amount of sideways force to free the handle from its retaining “ tab” . Once clear of the “ tab” , the handle will open relatively easily. The top plate will slide back. Do not use screwdrivers or other tools to open the socket, or you may damage the system or socket.
  • Page 18 Positioning the CPU Above the ZIF Socket 4. Push the handle down until the handle locks into place. The top plate will slide forward. You will feel some resistance as the pres- sure starts to secure the CPU in the socket. This is normal and will not damage the CPU.
  • Page 19: Jumper Settings For Ps/2 Mouse

    Jumper Settings for PS/2 Mouse Jumper JP1 PS/2 Mouse Select By default, the mouse port is enabled. The PS/2 mouse port uses IRQ12, but when the PS/2 mouse port is disabled, IRQ12 is available to other devices. To enable the PS/2 mouse, set Jumper JP1 to On. Make sure you connect your PS/2 mouse to connector J1.
  • Page 20: Jumper Settings For Cmos Clear

    Jumper Settings for CMOS Clear Jumper JP10 CMOS Clear Select If, for some reason, the CMOS becomes corrupted, the system can be reconfigured with the default values stored in the ROM BIOS. To load the default values, power off your system and set JP10 to On. Then power on your system for 5 seconds and turn it off again.
  • Page 21: Built-In Ports

    Built-in Ports The G686IPA system board is equipped with two serial ports, one paral- lel printer port, one FDD connector, two IDE hard disk shrouded head- ers, and two USB connectors. Refer to page 11 for the locations of the built-in connectors and pin 1 of those connectors.
  • Page 22: Ide Hard Disk Interface

    Drive A. IDE Hard Disk Interface The G686IPA system board is equipped with two PCI IDE shrouded headers that will interface four Enhanced IDE (Integrated Drive Elec- tronics) hard disk drives.
  • Page 23 We recommend that the Enhanced IDE hard drives be from the same manufacturer. In a few cases, drives from two different manufacturers will not function properly when used together. The problem lies in the hard drives, not the G686IPA system board.
  • Page 24: Universal Serial Bus Connectors

    Universal Serial Bus Connectors The G686IPA system board is equipped with two USB connectors on locations J8 and J9 on the system board. USB allows data exchange between your computer and a wide range of simultaneously accessible peripherals.
  • Page 25: Installing Expansion Cards

    USB port cables (optional) Installing Expansion Cards The G686IPA system board is equipped with 3 dedicated PCI slots, 3 dedicated 16-bit ISA slots and 1 shared PCI/ISA slot. All PCI slots are bus masters. Refer to page 11 for the locations of the expansion slots.
  • Page 26: Chapter 3: Software Installation

    Chapter 3 Software Installation After you power up your system, the BIOS message appears on your screen and the memory count begins. After the memory test, the following message will appear on the screen: Press DEL to enter setup If the message disappears before you respond, restart your system or press the “...
  • Page 27: Standard Cmos Setup

    ROM PCI/ISA BIOS CMOS SETUP UTILITY AWARD SOFTWARE, INC. STANDARD CMOS SETUP INTEGRATED PERIPHERALS BIOS FEATURES SETUP SUPERVISOR PASSWORD CHIPSET FEATURES SETUP USER PASSWORD POWER MANAGEMENT SETUP IDE HDD AUTO DETECTION PNP/PCI CONFIGURATION HDD LOW LEVEL FORMAT LOAD BIOS DEFAULTS SAVE &...
  • Page 28 Date The date format is <day>, <month>, <date>, <year>. Displays a day, from Sunday to Saturday Displays the month, from January to December Month Displays the date, from 1 to 31 Date Displays the year, from 1900 to 2099 Year Time The time format is <hour>, <minute>, <second>.
  • Page 29 If the controller of the HDD interface is ESDI, you must select “ Type 1” . If the controller of the HDD interface is SCSI, you must select “ None” . If you select Type ” Auto” , the BIOS will auto-detect the HDD & CD-ROM drive at the POST stage and show the IDE for the HDD &...
  • Page 30 Video This category selects the type of video adapter used for the primary system monitor. Although secondary monitors are supported, you do not have to select the type in Setup. The default setting is EGA/VGA (BIOS default, Setup default). Enhanced Graphics Adapter/Video Graphics Array. For EGA, EGA/VGA VGA, SEGA, SVGA and PGA monitor adapters.
  • Page 31: Bios Features Setup

    Base This refers to the amount of base or conventional memory Memory installed on the system board. Extended This is the amount of memory located above 1MB in the Memory memory address map of the CPU. Other This memory size refers to the memory located in the ad- Memory dress space between 640K and 1024K.
  • Page 32 ! WARNING ! Disk boot sector is to be modified Type “ Y” to accept write or “ N” to abort write Award Software, Inc. Afterwards, if necessary, you will be able to run an anti-virus program to locate and remove the problem before any damage is done. Many disk diagnostic programs which attempt to access the boot sector table will cause the warning message to appear.
  • Page 33 Boot Sequence This category determines which drive to search first for the disk operat- ing system (i.e. DOS). The default is A, C. A, C The system will first search for a floppy drive and then a hard disk drive. C, A The system will first search for a hard disk drive and then a floppy drive.
  • Page 34 Boot Up NumLock Status This allows you to determine the default state of the numeric keypad. By default, the system boots up with NumLock on. The function of the numeric keypad is the number keys. The function of the numeric keypad is the arrow keys. Security Option This category allows you to limit access to your system and Setup, or just to Setup.
  • Page 35: Chipset Features Setup

    Optional shadow is disabled. Chipset Features Setup The G686IPA system board uses the Intel 440FX (Natoma) chipset. This section allows you to configure the system based on the specific features of the chipset. This chipset manages bus speeds and access to system memory resources.
  • Page 36 ROM PCI/ISA BIOS CHIPSET FEATURES SETUP AWARD SOFTWARE, INC. Auto Configuration : Enabled System BIOS Cacheable : Disabled DRAM Speed Selection : 70ns Video BIOS Cacheable : Enabled DRAM RAS# Precharge Time 8 Bit I/O Recovery Time MA Additional Wait State : Disabled 16 Bit I/O Recovery Time RAS# To CAS# Delay...
  • Page 37: Power Management Setup

    Power Management Setup The Power Management Setup allows you to configure your system to most effectively save energy. ROM PCI/ISA BIOS POWER MANAGEMENT SETUP AWARD SOFTWARE, INC. Power Management : Disabled ** Power Down & Resume Events ** : On IRQ3 (COM 2) PM Control by APM...
  • Page 38 PM Control by APM An Advanced Power Management device will be activated to enhance the Max. Power Saving mode and stop the CPU’ s internal clock. Default. Video Off Method This determines the manner in which the monitor is blanked. This selection will cause the system to turn off the vertical and SYNC + horizontal synchronization ports and write blanks to the video...
  • Page 39: Pnp/Pci Configuration Setup

    IRQ3 to IRQ15 (Wake Up Events in Doze and Standby, and Power Down and Resume Events) These are I/O events whose occurrence can prevent the system from entering a power saving mode or can awaken the system from such a mode.
  • Page 40 Resources Controlled By The Award Plug and Play BIOS has the capacity to automatically con- figure all of the boot and Plug and Play compatible devices. However, this capability means absolutely nothing unless you are using a Plug ® and Play operating system such as Windows The system will automatically detect the settings for you.
  • Page 41: Load Bios Defaults

    If this category is set to PCI Slot 1/2/3/4 or PCI-Auto, the Primary and Secondary IDE INT# categories will appear allowing you to select the PCI interrupt (A, B, C, or D) that is associated with the connected hard drives. Load BIOS Defaults The “...
  • Page 42: Integrated Peripherials

    Integrated Peripherals ROM PCI/ISA BIOS INTEGRATED PERIPHERALS AWARD SOFTWARE, INC. IDE HDD Block Mode : Enabled USB Controller : Disabled IDE Primary Master PIO : Auto IDE Primary Slave PIO : Auto IDE Secondary Master PIO : Auto IDE Secondary Slave PIO : Auto On-chip Primary PCI IDE : Enabled...
  • Page 43 To use the IrDA function, follow the steps below. 1. Connect your IrDA cable to connector J20 of the G686IPA system board. Refer to page 11 for the location of connector J20. 2. Set the “ Infrared (IR) Function” to the type of IrDA standard sup-...
  • Page 44 You may not use IrDA (J20) and the COM 2 serial port (J3) at the same time. If you are using the COM 2 serial port, set the “ Infrared (IR) Func- tion” to Disabled. Uses the COM 2 serial port. Disabled HPSIR HP mode IrDA.
  • Page 45: Supervisor Password

    Supervisor Password If you want to protect your system and setup from unauthorized entry, set a supervisor’ s password with the “ System” option selected in the BIOS Features Setup. If you want to protect access to setup only, but not your system, set a supervisor’...
  • Page 46: Ide Hdd Auto Detection

    Standard CMOS Setup. Hard Drive Mode The G686IPA system board supports three HDD modes: Normal, LBA and Large. If your hard disk drive does not support LBA mode, the “ LBA” option will not be displayed. If your HDD has 1024 or fewer cylin-...
  • Page 47 Normal Mode The Normal mode is the generic access mode in which neither the BIOS nor the IDE controller will make any transformations during hard- drive access. The maximum number of cylinders, heads and sectors for Normal mode are 1024, 16 and 63, respectively. no.
  • Page 48 Large Mode The Large mode is the extended HDD access mode supported by the system board. Some IDE HDDs have more than 1024 cylinders without LBA support (in some cases, you may not want the LBA mode). This system board provides another alternative to support these kinds of HDDs.
  • Page 49: Hdd Low Level Format

    HDD Low Level Format The Low Level Format utility is designed as a tool to save you time formatting your hard disk. It automatically looks for the necessary infor- mation of the drive you selected. This utility also searches for bad tracks and lists them for your reference.
  • Page 50: Exit Without Saving

    Exit Without Saving When you do not want to save the changes you have made, highlight “ Exit Without Saving” and press <Enter>. The message below will appear: Quit Without Saving (Y/N)? N Type “ Y” and press <Enter>. The system will reboot and you will once again see the initial diagnostics on the screen.
  • Page 51 CMOS CHECKSUM ERROR Checksum of CMOS is incorrect. This can indicate that CMOS has be- come corrupt.. This error may have been caused by a weak battery. Check the battery and replace if necessary. DISPLAY SWITCH IS SET INCORRECTLY Display switch on the motherboard can be set to either monochrome or color.
  • Page 52: Ide Device Drivers

    BIOS reports the memory test fail if the onboard is tested error. IDE Device Drivers To install the IDE device drivers supported by the G686IPA system board, please refer to the “ Readme” file contained in the provided dis- kette.
  • Page 53: Chapter 4: Troubleshooting Checklist

    Chapter 4 Troubleshooting Checklist If you experience difficulty with the G686IPA system board, please refer to the checklist below. If you still cannot identify the problem, please contact your dealer. 1. Check the jumper settings to ensure that the jumpers are properly set.
  • Page 54: Appendix A: Types Of Modules

    Appendix A Types of Modules The following modules have been tested with this board. Most untested brands will work but a few may fail to do so. Brand SIMM Chip Number 1MBx32/x36 Fujitsu 81C1000A-70 1MBx32 M51440A-70 2MBx32/x36 M511000B-70 2MBx32 424400-60 2MBx32 Micron 40447-60...
  • Page 55: Appendix B: Memory And I/O Maps

    Appendix B Memory and I/O Maps Memory Address Map Address Name Function 00000000 to 640KB System System Board Memory Board RAM 0009FFFF 128KB Video Reserved for Graphics 000A0000 to 000BFFFF Display Memory Display Memory 192KB I/O 000C0000 to Reserved for ROM on Expansion ROM I/O Adapter Card 000EFFFF...
  • Page 56 I/O Address Map I/O Address Function 0000-001F DMA Controller 1, 8237A-5 0020-003F Interrupt Controller 1, 8259A, Master 0040-005F Timer, 8254-2 0060-006F 8742 (Keyboard Controller) 0070-007F Real-time Clock, NMI (Non-maskable Interrupt) Mask 0080-009F DMA Page Memory, 74LS612 00A0-00BF Interrupt Controller 2, 8259A 00C0-00DF DMA Controller 2, 8237A-5 00E8...
  • Page 57: Appendix C Connectors

    Appendix C Connectors Connectors PS/2 mouse port PS/2 keyboard port COM 2 serial port COM 1 serial port Parallel printer port CPU fan connector USB 0 connector USB 1 connector Floppy disk drive connector Secondary IDE hard disk drive connector Primary IDE hard disk drive connector HD LED connector Green LED connector...
  • Page 58 Pin Assignments J14 - HD LED connector J15 - Green LED connector Function Function LED Power LED Power Signal Signal J17 - Reset switch connector J16 - Green switch connector Function Function Signal Signal Ground Ground J19 - Keylock connector J20 - IrDA connector Function Function...
  • Page 59 J22 - ATX Power LED J21 - ATX power switch Function Function Signal Ground Ground PL2 - AT power connector PL1 - ATX power connector Function Function Power Good N. C. N. C. +12V Ground -12V Ground Ground Ground Ground Ground PW-OK Ground...

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