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G486-EVA

POST (hex)

62

63

B0

B1

E1-EF

FF

Name

Setup NumLock

Boot attempt

Spurious

Unclaimed NMI

Setup pages

Boot

Description

Setup NumLock status according to Setup.

Set low stack.
Boot via INT 19h.

If interrupt occurs in protected mode.

If unmasked NMI occurs, display
Press F1 to disable NMI, F2 reboot.

E1-Page 1, E2-Page 2, etc.

Appendix B

u

B-6

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Summary of Contents for G486-EVA

Page 1: ...G486 EVA System Board User s Manual D23240331...

Page 2: ...information in this document is subject to change without notice DFI Inc reserves the right to make revisions to this publication and to make changes to any and or all parts of its content at any tim...

Page 3: ...ular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correc...

Page 4: ...t and Deep Green Cache Configuration Jumper Settings for Cache Memory CPU Installation and Upgrade Jumper Settings for CPUs Installing Upgrade CPUs Installing the System Board Initial Setup Program Aw...

Page 5: ...pendix 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 H...

Page 6: ...ly of CPUs The system board may be equipped with an 80486SX CPU running at 25 33MHz an 80486DX CPU running at 33MHz or an 80486DX2 CPU running at 50 66MHz It also supports the new Intel SL Enhanced se...

Page 7: ...X2 50 66 Energy Efficient Design Intel SL Enhanced CPU ready Supports system power management Supports CPU stopped clock Supports optional external power management switch Supports power saving video...

Page 8: ...mode transitions using SMM type of CPUs and SMM software handler Built in hardware auto transition mechanism Microsoft APM supported PCB 4 layers 1 3 u Introduction Package Checklist The G486 EVA pack...

Page 9: ...ight excessive humidity extreme cold and water can damage the operational capabilities of your system board Avoid soft surfaces such as beds and carpeted floors which can hinder air circulation These...

Page 10: ...rostatic build up leave the board in its anti static bag until you are ready to install it 2 Do all preparation work on a static free surface with components facing up 3 Hold the system board by its e...

Page 11: ...of SIM modules depending on the amount of memory you intend to install Your system board can be configured with 1MB 4MB 8MB 16MB or 32MB of onboard memory When installing the SIM modules populate Ban...

Page 12: ...erview Bank 1 Bank 0 Pin 1 of the SIMM socket 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 1 2 Locations of the...

Page 13: ...til 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 int...

Page 14: ...Energy Star Compliant System Board Jumper Settings Jumper Settings for the Internal Battery 2 6 u Installation Overview Location of Jumper JP2 on the G486 EVA System Board JP2 EC802G EC100G...

Page 15: ...1 1 2 On Disabled Default Note If you disable the internal battery you must connect an external battery to connector JP1 or your system will lose its CMOS settings when powered off The jumpers below...

Page 16: ...Energy Star Compliant System Board Jumper Settings for VL Bus Add on Boards Locations of Jumpers JP34 and JP35 on the G486 EVA System Board JP34 JP35 2 8 u Installation Overview EC802G EC100G...

Page 17: ...Wait State set JP34 to On otherwise a system error may occur On Write One Wait State Default Off Write Zero Wait State Jumper JP35 CPU Speed for VL Bus Board If a VL Bus board is installed in the G48...

Page 18: ...s of CPUs supported by the G486 EVA allow you to select from two different energy saving modes If you have a standard Intel 486DX SX OverDrive Processor or AMD 486DXL the G486 EVA will run in light gr...

Page 19: ...B 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 Regardless of the amount of cache memory installed one 32K...

Page 20: ...Energy Star Compliant System Board 2 12 u Installation Overview U19 U20 U26 U27 U21 U18 U17 U24 U25 Locations of the SRAMs on the G486 EVA System Board EC802G EC100G...

Page 21: ...erview u 2 13 EC802G EC100G JP21 JP20 JP27 JP25 JP26 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 2 1 3 2 3 On Off 2 14 u Installation Overview 1 3 2 1 2 On On JP25 JP26 or JP27 JP20 or JP21...

Page 23: ...y Make sure the jumpers are set correctly before applying power or you may damage the CPU or system board Jumper Settings for CPUs Installation Overview u 2 15 EC802G JP23 JP24 EC100G JP22 JP29 JP30 J...

Page 24: ...ive Processor is installed 2 16 u Installation Overview SMI CPU Type SL Enhanced Intel486TM DX SL Enhanced Intel486TM SX Cyrix Cx486DX Cyrix Cx486DX2 Cyrix Cx486S Cyrix Cx486S2 AM486DXL JP22 1 2 On 1...

Page 25: ...2 3 On JP29 2 3 On 1 2 On 1 2 On 1 2 On 2 3 On 1 2 On 1 2 On 2 3 On 2 3 On 1 2 On CPU Type 486SX 486DX Intel486TM OverDrive Processor SL Enhanced Intel486TM DX SL Enhanced Intel486TM SX Cyrix Cx486DX...

Page 26: ...On On 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 25MHz 33MHz 40MHz JP38 On On On S1 On On On S...

Page 27: ...low Installing Upgrade CPUs Location of the PGA Socket on the G486 EVA System Board EC802G EC100G PGA Socket U22 Pin 1 of the socket To install an upgrade CPU position the upgrade CPU above the socket...

Page 28: ...d against static electricity discharges Installing the System Board Step 1 Unlock your system unit Turn off the power and dis connect all power cords and cables Step 2 Remove the system unit cover Ref...

Page 29: ...upon the memory configuration and type of modules you intend to use Step 6 Set the appropriate jumpers Step 7 Install the prepared G486 EVA system board into the case and replace the screws Step 8 Re...

Page 30: ...he Ctrl Alt Del keys If you do not press the above keys at the correct time the following error message will appear Press F1 to continue Ctrl Alt Esc or Del to enter Setup If you have set a password a...

Page 31: ...Standard CMOS Setup and press Enter a screen similar to the one on the next page will appear STANDARD CMOS SETUP BIOS FEATURES SETUP CHIPSET FEATURES SETUP POWER MANAGEMENT SETUP LOAD BIOS DEFAULTS L...

Page 32: ...ble in Appendix G gives a complete listing of the available drive types Any given hard drive must be set to one specific drive type number Please refer to your hard drive documentation to find the app...

Page 33: ...es installed in your system If either of the drives is not present select None Make sure you choose the correct drive type otherwise your system might improp erly format diskettes Video This is used t...

Page 34: ...The Other Memory size refers to the memory located between 640K and 1024K This is the memory address space used for different applications DOS uses this area to load device drivers to keep as much bas...

Page 35: ...corresponding changes ROM ISA BIOS BIOS FEATURES SETUP AWARD SOFTWARE INC Virus Warning CPU Internal Cache External Cache Quick Power On Self Test Boot Sequence Swap Floppy Drive Boot Up Floppy Seek B...

Page 36: ...ns should always be set to Disabled Use the arrow keys to move the highlight bar to the option you wish to change or modify Use the Page 3 7 u Initial Setup Program ESC F1 F5 F6 F7 Enabled Slow Disabl...

Page 37: ...r Saving and Max Power Saving will show the minimum and maximum value of these options Choose Disabled if you do not wish your system to enter the Standby mode Initial Setup Program u 3 8 ESC F1 F5 F6...

Page 38: ...e values unless you are possibly having hardware problems Highlight this option on the main menu and press En ter The message below will appear Load BIOS Defaults Y N N Type Y and press Enter to retur...

Page 39: ...ress Enter The message below will appear Enter Password Type in the password You are limited to eight charac ters Type in a password that is eight characters long or shorter When done the message belo...

Page 40: ...e parameters Type Y and press Enter to accept the parameters or press Esc to abort If you select Y the parameters of the hard disk will be displayed in the Standard CMOS Setup Save Exit Setup When all...

Page 41: ...ional changes to the setup press Ctrl Alt Esc or Del after memory testing is done Exit Without Saving When you do not want to save the changes you have made highlight this option and press Enter The m...

Page 42: ...erly set If in doubt refer to the Board Configuration section 2 Verify that all SIM modules are seated securely into the bank sockets 3 Make sure that the SIM modules are in the correct location 4 Che...

Page 43: ...ost untested brands will work but a few may fail to do so For SIM 256Kx9 Modules Brand Chip Number Samsung KM44C256AJ 8 Panasonic MN41C4256 08 Hitachi HM514256AJP8 80ns For SIM 1Mx9 Modules Brand Chip...

Page 44: ...all page registers CMOS shutdown byte Initialize timer 0 1 and 2 including set EISA timer to a known state Initialize DMA controllers 0 and 1 Initialize interrupt controllers 0 and 1 Initialize EISA...

Page 45: ...nal cache size detection Early chip set initialization Memory presence test OEM chip set routines Clear low 64K of memory Test first 64K memory Cyrix CPU initialization Cache initialization Initialize...

Page 46: ...ation Test DMA page registers Test 8254 timer 0 counter 2 Verify 8259 channel 1 masked interrupts by alternately turning off and on the interrupt lines Verify 8259 channel 2 masked interrupts by alter...

Page 47: ...256K to 640K and extended memory above 1MB Test base memory from 256K to 640K and extended memory above 1MB using various patterns Note This will be skipped in EISA mode and can be skipped with ESC ke...

Page 48: ...ve controller and any drives Initialize any serial and parallel ports also game port Initialize math coprocessor Reboot if manufacturing POST loop pin is set Otherwise display any messages i e any non...

Page 49: ...t Spurious Unclaimed NMI Setup pages Boot Description Setup NumLock status according to Setup Set low stack Boot via INT 19h If interrupt occurs in protected mode If unmasked NMI occurs display Press...

Page 50: ...m 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 Expansion ROM Adapter Card 00F000...

Page 51: ...r Extension Busy 0F1 Reset Numeric Processor Extension 0F8 OFF Numeric Processor Extension 1F0 1F8 Fixed Disk 200 207 Game I O 278 27F Parallel Printer Port 2 2F8 2FF Serial Port 2 300 31F Prototype C...

Page 52: ...d 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 C SBHE LA23 LA22 LA21 LA20 LA19 LA18 LA17 Memr Memw SD08 SD09 SD10 SD11 SD12 SD13 SD14 SD15 B Gnd Reset Drv 5V DC IRQ9 5V DC DRQ2 12V DC OWS 12V...

Page 53: ...Vcc ADR20 ADR18 ADR16 ADR14 ADR12 ADR10 ADR08 GND ADR06 ADR04 WBACK BE0 Vcc BE1 BE2 GND BE3 ADS LRDY LDEV x LREQ x GND LGNT x Vcc ID2 ID3 ID4 LKEN LEADS B DAT00 DAT02 DAT04 DAT06 DAT08 GND DAT10 DAT12...

Page 54: ...N 1 O O I I LRDY 1 I I N A O LREQ x 4 1 I I O O M IO 1 O I O I RDYRTN 1 O O I I RESET 1 O O I I W R 1 O I O I WBACK 1 O O I N A power 8 ground 14 reserved 1 Total per slot 112 1 Direction of signals f...

Page 55: ...Reserved 3 Ground 4 Keylock Signal 5 Ground v Appendix F Connector Pin Assignments Connector JP1 External Battery Connector Pin 1 2 3 4 Function Voltage Reserved Ground Ground Connector JP42 Power LE...

Page 56: ...nector JP43 Speaker Connector Pin 1 2 3 4 Function Signal Connector to Buzzer Ground 5V Connector D6 Standby Mode LED Pin 1 2 Function Ground Signal Jumper JP46 Standby Mode Switch Connector Pin 1 2 F...

Page 57: ...G486 EVA Connector JP47 Reset Switch Connector Pin Function 1 Reset 2 Ground Appendix F u F 3...

Page 58: ...gate ST4051 Seagate ST4096 Maxtor 2085 Maxtor 2140 Priam S14 Maxtor 2190 Priam S19 10 20 30 62 46 20 30 30 112 20 35 49 20 42 20 40 56 59 30 42 30 10 40 76 71 111 152 306 615 615 940 940 615 462 733 9...

Page 59: ...3053 6053 RLL Miniscribe 3650 Miniscribe 3675 RLL Conner CP3104 Conner CP3204 68 93 83 69 85 102 110 119 17 136 114 40 42 65 40 61 100 203 1024 918 925 1024 1024 1024 1024 1024 1024 1024 918 820 1024...

Page 60: ......

Page 61: ...G486 EVA System Board User s Manual 23240331...

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