1. Manuals
  2. Brands
  3. DFI Manuals
  4. Motherboard
  5. G486-EVA
  6. User manual

DFI G486-EVA User Manual

System board
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
G486-EVA

System Board

User's Manual
- D23240331 -

Advertisement

Table of Contents
loading

Related Manuals for DFI G486-EVA

Summary of Contents for DFI G486-EVA

  • Page 1: System Board

    G486-EVA System Board User’s Manual - D23240331 -...
  • Page 2 Further, DFI, Inc. assumes no responsibility for any errors that may appear in this document. DFI is a registered trademark, and G486-EVA is a trademark of Diamond Flower, Inc. All other product names mentioned are trademarks or registered trade-...
  • Page 3 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 interfer- ence when the equipment is operated in a residential installation.

  • Page 4: Table Of Contents

    Table of Contents Introduction ................. Features and Specifications ..........Installation Overview ..............Preparing the Area ..............Handling the System Board ..........Tips in Handling the System Board ....... Hardware Installation ............. Memory Installation ............Installing the Modules ..........Board Configuration ............... Jumper Settings ..............
  • Page 5 Troubleshooting ................Appendix A: Types of Modules ..........Appendix B: System Error Report ..........Appendix C: Memory and I/O Maps .......... Appendix D: 16-Bit ISA I/O Pin Assignments ......Appendix E: VL-Bus I/O Pin Assignments ....... Appendix F: Connector Pin Assignments ....... Appendix G: Award BIOS Hard Disk Table ......

  • Page 6: Introduction

    Energy Star Compliant System Board Introduction The G486-EVA is an Energy Star Compliant system board that meets the Environmental Protection Agency's Green PC requirements. It reduces energy consumption to 15 Watts or less by automatically turning off peripher- als or the entire system, when not in use.

  • Page 7: Features And Specifications

    G486-EVA Features and Specifications • Microprocessor Intel 486SX-25/33, 486DX-33, 486DX2-50/66, SL Enhanced CPUs, Intel486 OverDrive Processor AMD 486DXL low power CPU Cyrix Cx486S-25/33, Cx486S2-50/66, Cx486DX-25/33 and Cx486DX2-50/66 • Energy-Efficient Design Intel SL Enhanced CPU ready Supports system power management Supports CPU stopped clock...

  • Page 8: Package Checklist

    Built-in hardware auto-transition mechanism. Microsoft APM supported. • PCB 4 layers Package Checklist The G486-EVA package contains the following items: • The G486-EVA system board • One G486-EVA user’s manual If any of these items are missing or damaged, please contact your dealer or sales representative for assistance.

  • Page 9: Installation Overview

    G486-EVA Installation Overview This chapter summarizes the steps in installing the G486-EVA 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.

  • Page 10: Handling The System Board

    4) Avoid touching the pins or contacts on all modules and connectors. Hold modules and connectors by their edges. Hardware Installation Memory Installation The G486-EVA system board can support 1MB to 32MB of memory using SIMMs. SIMM is an acronym for Single In-line Memory Module. Installation Overview...
  • Page 11 A SIMM connects to the system board via a 30-pin card-edge connector. The SIMM sockets are divided into two banks on the system board. The G486-EVA system board uses 256Kx9, 1Mx9 and 4Mx9 SIM modules. A list of approved memory brands and speeds is given in Appendix A.

  • Page 12: Installing The Modules

    Bank 0 EC802G EC100G Locations of the SIMM Sockets on the G486-EVA System Board Installing the Modules SIMMs simply snap into a socket on the system board. Pin 1 of the SIMM must correspond with Pin 1 of the socket.

  • Page 13: Board Configuration

    Tilt the module upright until it locks in place in the socket. Board Configuration The G486-EVA is designed with jumpers and connectors onboard. Make sure that the jumpers are set correctly before installing the system board into your system unit.

  • Page 14: Jumper Settings

    Energy Star Compliant System Board Jumper Settings Jumper Settings for the Internal Battery EC802G EC100G Location of Jumper JP2 on the G486-EVA System Board Installation Overview...
  • Page 15 G486-EVA Jumper JP2 Internal Battery Select The G486-EVA comes with an internal battery. If you wish to install an external battery, set JP2 pins 1 and 2 to On to disable the internal battery. 1-2 On: Disabled 2-3 On: Enabled...

  • Page 16: Jumper Settings For Vl-Bus Add-On Boards

    Energy Star Compliant System Board Jumper Settings for VL-Bus Add-on Boards EC802G EC100G JP34 JP35 Locations of Jumpers JP34 and JP35 on the G486-EVA System Board Installation Overview...
  • Page 17 Jumper JP35 CPU Speed for VL-Bus Board If a VL-Bus board is installed in the G486-EVA system board, Jumper JP35 must be set to On if the CPU speed is greater than 33MHz. Set JP35 to Off if the CPU speed is less than or equal to 33MHz.

  • Page 18: Jumper Settings For Light And Deep Green

    If you have a standard Intel 486DX, SX, OverDrive Processor or AMD 486DXL, the G486-EVA will run in light green mode. If you have an energy saving SL Enhanced Intel 486DX or Cyrix Cx486S/Cx486S2 CPU, then the G486-EVA will run in deep green mode.

  • Page 19: Cache Configuration

    Processor, AMD 486DXL (Default) Cache Configuration The G486-EVA system board can be configured to two different cache sizes: 128KB and 256KB. 128KB of cache memory is the default size. Either four or eight 32K x 8 (20ns) SRAM chips are used for cache depend- ing on the size of cache desired.
  • Page 20 Energy Star Compliant System Board EC802G EC100G Locations of the SRAMs on the G486-EVA System Board 2-12 Installation Overview...

  • Page 21: Jumper Settings For Cache Memory

    Jumper Settings for Cache Memory JP25 JP26 JP27 JP21 JP20 EC802G EC100G Locations of Jumpers JP20, JP21, JP25, JP26 and JP27 on the G486-EVA System Board Cache Memory Size Jumpers 128KB* 256KB JP20 2-3 On 1-2 On JP21 2-3 On...
  • Page 22 Energy Star Compliant System Board JP20 or JP21 2-3: On 1-2: On JP25, JP26 or JP27 2-14 Installation Overview...

  • Page 23: Cpu Installation And Upgrade

    Jumper Settings for CPUs JP23 JP22 EC802G JP29 JP30 JP24 JP17 EC100G JP31 JP51 JP52 JP50 JP48 JP49 JP38 Locations of Jumpers JP17, T10, JP22-JP24, JP29-JP31, JP38, JP48-JP52, S1, S2 and S3 on the G486-EVA System Board Installation Overview 2-15...
  • Page 24 Jumpers JP22-JP24, JP49 and JP51 SMI CPU Type Selection These jumpers should be set to match the type of the CPU installed on the G486-EVA system board. These jumpers will be ignored if an Intel 486SX, 486DX or Intel486 OverDrive Processor is installed.
  • Page 25 G486-EVA Jumpers JP17, T10, JP29-JP31, JP48, JP50 and JP52 CPU Type Selection These jumpers should be set to match the type of the CPU installed on the G486-EVA system board. JP29 JP30 JP31 CPU Type JP17 2-3 On 486SX 1-2 On...
  • Page 26 1-2: On JP17, JP31, JP48, JP50 and T10 Jumpers JP38, S1, S2 and S3 Clock Selection These jumpers should be set to match the speed of the CPU installed on the G486-EVA system board. CPU Speed JP38 25MHz 33MHz* 40MHz...

  • Page 27: Installing Upgrade Cpus

    EC100G Socket Pin 1 of the socket Location of the PGA Socket on the G486-EVA System Board To install an upgrade CPU, position the upgrade CPU above the socket. Make sure pin 1 of the CPU is aligned with pin 1 of the socket. Lower the chip until the pins are inserted properly in their corresponding holes.

  • Page 28: Installing The System Board

    Energy Star Compliant System Board Installing the System Board Before installing the system board into your system unit, you should prepare the tools you will use: You will need: • one medium size, flat-bladed screwdriver • one medium Philips screwdriver •...
  • Page 29 G486-EVA Step 5 Insert the SIM modules into the SIMM banks on the G486-EVA. The quantity and location of the SIM modules are dependent upon the memory configuration and type of modules you intend to use. Step 6 Set the appropriate jumpers.

  • Page 30: Initial Setup Program

    Energy Star Compliant System Board Initial Setup Program 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 CTRL-ALT-ESC/DEL to enter setup If you want to enter Setup and the message disappears before you respond, restart your system or press the "Reset"...

  • Page 31: Award Bios Cmos Setup Utility

    G486-EVA Award BIOS CMOS Setup Utility Press <Ctrl> <Alt> <Esc> or <Del> to enter the Setup utility. A screen similar to the one below will appear. ROM ISA BIOS CMOS SETUP UTLITY AWARD SOFTWARE, INC. STANDARD CMOS SETUP PASSWORD SETTING...
  • Page 32 Drive C and Drive D If you have added a hard drive, you must select the appropriate type for the drive. The G486-EVA has 46 pre-set types and one user-definable type. Use the <Page Up> or <Page Down> keys to select the appro- priate type for the drive.
  • Page 33 G486-EVA If none of the pre-set types is appropriate for your hard drive, choose "User," which is the user-definable type. To use this type, highlight either hard disk C or D, depending on your hard drive configuration. Use the arrow keys until type "User" is showing. Fill in all the parameters as specified by the drive manufacturer.

  • Page 34: Bios Features Setup

    Energy Star Compliant System Board All, But Disk/Key: The system will stop for any errors except a keyboard or disk error. Memory The lower right hand corner shows the base memory size, extended memory size, expanded memory size and the other memory size of your system. You cannot alter these items;...
  • Page 35 G486-EVA ROM ISA BIOS BIOS FEATURES SETUP AWARD SOFTWARE, INC. Virus Warning : Enabled System BIOS Shadow : Enabled CPU Internal Cache : Enabled Video BIOS Shadow : Enabled External Cache : Enabled C8000-CBFFF Shadow : Disabled Quick Power On Self Test...

  • Page 36: Chipset Features Setup

    Press <Esc> after making the changes to return to the main menu. Chipset Features Setup The G486-EVA uses the EFAR EC802G chipset. The Chipset Features Setup allows you to modify some functions to optimize system performance. If you press <Enter>, a screen similar to the one below will appear.

  • Page 37: Power Management Setup

    G486-EVA Up>, <Page Down>, <+> or <-> keys to make the corresponding changes. If the changes you make are incorrect or you change your mind, press <F6> or <F7> to return to the default settings. Press <Esc> after making the changes to return to the main menu.

  • Page 38: Load Bios Defaults

    Energy Star Compliant System Board Use the arrow keys to move the highlight bar to the option you wish to change or modify. Use the <Page Up>, <Page Down>, <+> or <-> keys to make the corresponding changes. Load BIOS Defaults If, for some reason, the CMOS becomes corrupted, the system can be reconfigured with the default values stored in the ROM chips.

  • Page 39: Password Setting

    G486-EVA Type "Y" and press <Enter> to return to the Setup default values. After pressing <Enter>, you will be returned to the main menu. Password Setting If you want to set a password, make sure that the Security Option under the BIOS Features Setup is set to "System"...

  • Page 40: Ide Hdd Auto Detection

    Energy Star Compliant System Board IDE HDD Auto Detection This option detects the hard disk parameters for the hard disk drives installed in your system. Highlight this option and press <Enter>. A screen similar to the one below will appear. ROM ISA BIOS CMOS SETUP UTILITY AWARD SOFTWARE, INC.

  • Page 41: Exit Without Saving

    G486-EVA Type "Y" and press <Enter>. The following message will appear: Reboot System (Y/N)? N Type "Y" and press <Enter>. The modifications you have made will be written into the CMOS memory, and the system will reboot. You will once again see the initial diagnostics on the screen.

  • Page 42: Troubleshooting

    Energy Star Compliant System Board Troubleshooting If you experience difficulty with the G486-EVA system board, please refer to the checklist below. If you still cannot isolate the problem, please contact your dealer. 1) Check the jumper settings to ensure that the jumpers are properly set.

  • Page 43: Appendix A: Types Of Modules

    G486-EVA Appendix A: Types of Modules The G486-EVA system board allows you to populate memory with 256Kx9, 1Mx9, and 4Mx9 SIM modules. The following modules have been tested with this board. Most untested brands will work but a few may fail to do...

  • Page 44: Appendix B: System Error Report

    Energy Star Compliant System Board Appendix B: System Error Report POST (hex) Name Description Turn off chipset OEM specific-cache control. cache Processor test 1 Processor status (1FLAGS) verification. Test the following processor status flags carry, zero, sign, overflow. The BIOS will set each of these flags, verify they are set, then turn each flag off and verify it is off.
  • Page 45 G486-EVA POST (hex) Name Description Chipset default Program chipset registers with power on initialization BIOS defaults. Memory presence OEM Specific-Test to size on-board test memory. Early shadow OEM Specific-Early Shadow enable for fast boot. Cache presence External cache size detection.
  • Page 46 Energy Star Compliant System Board POST (hex) Name Description Test DMA BIOS checksum test. controller 0 Keyboard detect and initialization. Test DMA controller 1 Test DMA page Test DMA page registers. registers 12-13 Reserved Test timer counter 2 Test 8254 timer 0 counter 2. Test 8259-1 mask Verify 8259 channel 1 masked interrupts by bits...
  • Page 47 G486-EVA POST (hex) Name Description Enable slot 0 Initialize slot 0 (system board). 21-2F Enable slots 1 - 15 Initialize slots 1 through 15. Size base and Size base memory from 256K to 640K and extended memory extended memory above 1MB.
  • Page 48 Energy Star Compliant System Board POST (hex) Name Description Initialize hard drive Initialize hard drive controller and any drives. and controller Detect and initialize Initialize any serial and parallel ports (also serial/parallel ports game port). Reserved Detect and initialize Initialize math coprocessor. math coprocessor Reserved Reserved...
  • Page 49 G486-EVA POST (hex) Name Description Setup NumLock Setup NumLock status according to Setup. Boot attempt Set low stack. Boot via INT 19h. Spurious If interrupt occurs in protected mode. Unclaimed NMI If unmasked NMI occurs, display Press F1 to disable NMI, F2 reboot.

  • Page 50: Appendix C: Memory And I/O Maps

    Energy Star Compliant System Board Appendix C: Memory & I/O Maps Memory Address Map Address Name Function 0000000 to 640K System System Board Memory 009FFFF Board RAM 00A0000 to 128K Video Reserved for Graphics Display 00BFFFF Display Memory Memory 00C0000 to 192K I/O Reserved for ROM on I/O 00EFFFF...
  • Page 51 G486-EVA I/O Address Map I/O Address Function 000-01F DMA Controller 1, 8237A-5 020-03F Interrupt Controller 1, 8259A, Master 040-05F Timer, 8254-2 060-06F 8742 (Keyboard Controller) 070-07F Real-time Clock, NMI (Non-maskable Interrupt) Mask 080-09F DMA Page Memory, 74LS612 0A0-08F Interrupt Controller 2, 8259A...

  • Page 52: Appendix D: 16-Bit Isa I/O Pin Assignments

    Energy Star Compliant System Board Appendix D: 16-Bit ISA I/O Pin Assignments -I/O Chck - 01 - Reset Drv - 02 - +5V DC - 03 - IRQ9 - 04 - -5V DC - 05 - DRQ2 - 06 - -12V DC - 07 - - 08 -...

  • Page 53: Appendix E: Vl-Bus I/O Pin Assignments

    G486-EVA Appendix E: VL-Bus I/O Pin Assignments Component Side Solder Side DAT00 - 01 - DAT01 DAT02 DAT03 - 02 - DAT04 - 03 - DAT06 DAT05 - 04 - DAT08 - 05 - DAT07 DAT09 - 06 - DAT10...
  • Page 54 Energy Star Compliant System Board Pin Name ADR<31..2> ADS# BE<3..0> BLAST# BRDY# D/C# DAT<31..0> ID<4..0> IRQ9 LBS16# LCLK LDEV<x># LEADS# LGNT<x># LKEN# LRDY# LREQ<x># M/IO# RDYRTN# RESET# W/R# WBACK# (power) (ground) (reserved) Total per slot Direction of signals for the LBC if the host CPU or a system I/O bus master is active.

  • Page 55: Appendix F: Connector Pin Assignments

    G486-EVA Appendix F: Connector Pin Assignments Connector JP1 External Battery Connector Function Voltage Reserved Ground Ground Connector JP42 Power LED/Keylock Connector Function LED Signal Reserved Ground Keylock Signal Ground Appendix F...
  • Page 56 Energy Star Compliant System Board Connector JP43 Speaker Connector Function Signal Connector to Buzzer Ground Connector D6 Standby Mode LED Function Ground Signal Jumper JP46 Standby Mode Switch Connector Function Ground Signal Appendix F...
  • Page 57 G486-EVA Connector JP47 Reset Switch Connector Function Reset Ground Appendix F...

  • Page 58: Appendix G: Award Bios Hard Disk Table

    Energy Star Compliant System Board Appendix G: Award BIOS Hard Disk Table Example Type Size Cylinders Heads Sectors Write Land Model (MB) Precomp Zone TEAC SD510, MMI 112, 5412 Seagate ST225, ST4026 None Seagate ST125, Tandon TM262 None Tandon TM 703 None None None...
  • Page 59 G486-EVA Type Size Cylinders Heads Sectors Write Land Example (MB) Precomp Zone Model 1024 None 1023 Maxtor 1085, Micropolis 1325 None 1023 Maxtor 1105 1120, 4780 None 1023 Maxtor 1170 1024 None CDC 9415 1024 None 1023 1024 None 1023...
  • Page 61 G486-EVA System Board User’s Manual - 23240331 -...

Table of Contents