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Air 486VP User Manual

Vl/pci system board
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486VP
VL/PCI System Board
USER'S MANUAL
Revision 1.0

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  • Page 1 486VP VL/PCI System Board USER'S MANUAL Revision 1.0...
  • Page 2 Then gently fit the card into the slots with equal pressure at both ends. Manufacturer warranty does not cover damage caused to the system board by improper installation or removal of VESA Local Bus cards. 486VP System Board User's Manual Page 1...
  • Page 3 Video BIOS Shadow: Enabled C8000-CBFFF Shadow: Disabled CC000-CFFFF Shadow: Disabled D0000-D3FFF Shadow: Disabled D4000-D7FFF Shadow: Disabled D8000-DBFFF Shadow: Disabled DC000-DFFFF Shadow: Disabled E0000-E3FFF Shadow: Disabled E4000-E7FFF Shadow: Disabled E8000-EBFFF Shadow: Disabled EC000-EFFFF Shadow: Disabled Page 2 486VP System Board User's Manual...
  • Page 4 Disabled CPU Master Fast Interface: Disabled PCI Master Post-Write Buffer: PCI Master Post-Write Burst Mode: Disabled PCI Master Fast Interface: Disabled CPU Master DEVSEL# Time-Out: 6 PCICLK PCI Master DEVSEL# Time-Out: 4 PCICLK 486VP System Board User's Manual Page 3...
  • Page 5 PREFACE Thank you for purchasing the 486VP system board. This document gives an aid to the configuration and installation of this system board. The information in this document is subject to change without notice. This document contains information protected by copyright. All rights are reserved.
  • Page 6 INSTALLING A VL-BUS CARD EQUIPMENT REQUIRED CHAPTER 4: BIOS SETUP ENTERING SETUP STANDARD CMOS SETUP BIOS FEATURES SETUP CHIPSET FEATURES SETUP POWER MANAGEMENT SETUP PCI CONFIGURATION SETUP LOAD BIOS DEFAULTS LOAD SETUP DEFAULTS 486VP System Board User's Manual Page 5...
  • Page 7 EXIT WITHOUT SAVING CHAPTER 5: KEYBOARD HOT KEYS SYSTEM SPEED APPENDIX A: BIOS HARD DISK TYPE APPENDIX B: MEMORY MAPPING APPENDIX C: AT I/O ADDRESS MAP APPENDIX D: INTERRUPT ASSIGNMENTS APPENDIX E: SPECIFICATION Page 6 486VP System Board User's Manual...

  • Page 8: Chapter 1: Introduction

    CHAPTER 1: INTRODUCTION The 486VP system board adds to our 486 product line high integration and cost effective solution without compromising performance and quality. With top speed at 50 MHz, VL-Bus and PCI Bus on the same board, and maximum 1MB Write-Back cache, the 486VP dramatically boosts system throughput for even the most demanding applications.
  • Page 9 · 3.6V/60mA on-board battery. Page 8 486VP System Board User's Manual...

  • Page 10: Chapter 2: Jumpers & Connectors

    Figures 1 on the next page shows the component layout of the 486VP system board with locations of the system board jumpers and connectors. Note that most jumpers and connectors on the system board are labeled with proper names with pin 1 marked as "1"...
  • Page 11 Page 10 486VP System Board User's Manual...
  • Page 12 FIGURE 486VP System Board User's Manual Page 11...
  • Page 13 (PGA) socket on the system board. Make certain that pin 1 of the CPU chip is correctly aligned with pin 1 of CPU socket. The location of pin 1 on the CPU is denoted by a small notch. SOCKET Page 12 486VP System Board User's Manual...
  • Page 14 U24, U25, U31, U32 U26, U27 256KB 32Kx8 32Kx8 32Kx8 512KB 32Kx8 NONE 128Kx8 128Kx8 128Kx8 128Kx8 For 1MB cache only: Go to Chipset Feature BIOS Setup to enable 1MB Cache Memory option. 486VP System Board User's Manual Page 13...
  • Page 15 Memory Bank Jumpers The 486VP supports up to 2 banks of SIMM modules. SIM1 through SIM8 sockets support 30-pin SIMM modules. SIM9 and SIM10 support 72-pin modules. SIM5- SIM1- SIM9 SIM10 SIM8 SIM4 BANK0 BANK1 NONE NONE (1Mx9, (1Mx9, 4Mx9)

  • Page 16: Display Type

    3. Change jumper JP2 to 2-3 position for few seconds then move the jumper block back to 1-2 position again. 4. Replace and secure the system cover. 5. Turn power ON, CMOS data should be cleared. 486VP System Board User's Manual Page 15...
  • Page 17 1 to pin 2 of this jumper. Make sure the BIOS Power Management Setup options are enabled. Connect a 2-position switch from the front panel to this jumper for manual control. Ground Page 16 486VP System Board User's Manual...

  • Page 18: Reserved Jumpers

    JP42, JP50, JP51, JP67 JP40 JP11 JP59 JP60 JP81 JP34 JP35 JP58 JP29, JP30, JP31, JP32 JP56 JP36, JP64, JP65, JP66 JP53 1-2, 3-4 JP54 1-2, 3-4 JP41 JP68 JP63 JP71 JP55 JP57 JP70 486VP System Board User's Manual Page 17...

  • Page 19: System Board Connectors

    Connector J1 Connector J1 Power Good Ground +5 VDC Ground +12 VDC -5 VDC -12 VDC +5 VDC Ground +5 VDC Ground +5 VDC Page 18 486VP System Board User's Manual...

  • Page 20: Keyboard Connector

    This allows you to switch off the keyboard and so provide limited security against casual intruders. The pin assignments are indicated below: Description LED Power Key (No Connection) Ground Keyboard Lock Ground 486VP System Board User's Manual Page 19...

  • Page 21: Speaker Connector

    System reset can be done by shorting pin 1 to pin 2 with the same effect as turning the power off and then on again. Description Reset Input Ground Page 20 486VP System Board User's Manual...
  • Page 22 The Turbo LED connector, marked as "JP46", is a 2-pin BERG strip. It is used to connect a CPU operating frequency indicator LED from the front panel to the system board. The pin assignments are indicated below: Description LED Cathode LED Anode 486VP System Board User's Manual Page 21...

  • Page 23: Chapter 3: Hardware Installation

    SIM8 sockets support 30-pin SIMM modules. SIM9 and SIM10 support 72-pin modules. DRAM speed must be 70ns or 60ns. You can configure the memory of the 486VP in a variety of ways. The chart below shows the possible combinations. Jumpers JP22 through JP25 also should be set accordingly.
  • Page 24 1. Insert the SIMM at a 45 degree angle. 2. Gently push the SIMM to an upright position until it "snaps" into place. 3. Repeat above steps until the entire bank is filled. 486VP System Board User's Manual Page 23...

  • Page 25: Equipment Required

    7. Holding the card at the center of the top edge, gently push straight down with equal pressure at both ends. 8. Replace the screw to hold the card into place. 9. Replace and secure the system cover. 10.Reconnect all the wires and cables. EQUIPMENT REQUIRED Page 24 486VP System Board User's Manual...
  • Page 26 The dimension of the 486VP system board is designed to fit perfectly in a PC/XT (or PC/AT) standard case. To build a complete high performance system based on the 486VP system board, the following equipment are needed: A chassis with dimension similar to PC/XT/AT standard chassis.

  • Page 27: Chapter 4: Bios Setup

    1. Reset the system by turning it OFF then ON or pushing the "RESET" button on the system front panel. 2. Hit the <Del> key momentarily as soon as the following message appears: "Press DEL to enter SETUP" Page 26 486VP System Board User's Manual...
  • Page 28 : Change screen color <F5> : Old Setup Values <F6> : Load BIOS Default Values <F7> : Load Setup Default Values <ESC> : Exit Setup Section or Quit : Select Setup Item <¯®¬> 486VP System Board User's Manual Page 27...
  • Page 29 <PG UP/ PG DN/ +/ -> : Modify the Setup Item Page 28 486VP System Board User's Manual...

  • Page 30: Standard Cmos Setup

    Floppy Drive B: Type: Specify the type of the second floppy drive installed on the system. · Video: (EGA/VGA, CGA 40, CGA 80, MONO) Normally select "EGA/ VGA". After all selections have been done, press <Esc> key to exit this section. 486VP System Board User's Manual Page 29...

  • Page 31: Bios Features Setup

    Security Option: Choose "Setup" or "System". Default setting is "Setup". The password feature can be used to prevent unauthorized system boot-up or unauthorized use of BIOS SETUP. "System" Each time the system is turned on, the pass word prompt appears. Page 30 486VP System Board User's Manual...
  • Page 32 The default setting is "Enabled". · Adapter ROM Shadow: Default setting is "Disabled". If you have other expansion cards with ROMs on them such as SCSI controller, you will need to know which addresses the ROMs use. 486VP System Board User's Manual Page 31...
  • Page 33 VGA Type: If "Standard" is selected, BIOS will support any kinds of VGA cards (PCI, ISA, and VESA). However, minor performance will be degraded due to extra decoding. In "PCI" mode, BIOS will only Page 32 486VP System Board User's Manual...
  • Page 34 DEVSEL# signal. Default is 6 PCICLK. · PCI Master DEVSEL# Time-Out: The maximum delay for subtractive decoder from motherboard chipset respond to a master (PCI master device) initiated transaction by asserting DEVSEL# signal. Default is 4 PCICLK. 486VP System Board User's Manual Page 33...

  • Page 35: Power Management Setup

    Each of these events can be controlled (enabled or disabled) individually. Video Activities Monitoring video activities. DMA/MASTER/AT Refresh Monitoring DMA/MASTER/AT Refresh activities HDD Activities Monitoring the hard disk activities Page 34 486VP System Board User's Manual...

  • Page 36: Pci Configuration Setup

    LOAD SETUP DEFAULTS Use this option to load the settings detected by the system when you turn it on. If your system behaves erratically you can use this feature to check for incorrect settings. 486VP System Board User's Manual Page 35...

  • Page 37: Password Setting

    SAVE AND EXIT SETUP After you have made any changes during setup, use this option to store those new information into non-volatile CMOS memory. The system should reboot with the correct system board configuration. Page 36 486VP System Board User's Manual...

  • Page 38: Exit Without Saving

    After you have/have not made any changes during setup and decided not to store those information into non-volatile CMOS memory, use this option to exit Setup. The system should reboot with the current configuration stored in CMOS memory. 486VP System Board User's Manual Page 37...

  • Page 39: Chapter 5: Keyboard Hot Keys

    > key once while holding <Ctrl>, <Alt>, and <Shift> keys. Slow speed: Cache memory and 32-bit DRAM transfer mode are -> OFF. Set by pressing < key once while holding <Ctrl>, <Alt>, and <Shift> keys. Page 38 486VP System Board User's Manual...

  • Page 40: Appendix A: Bios Hard Disk Type

    68MB 53MB 1024 65535 1024 94MB 1024 65535 1024 128MB 1024 1024 1024 43MB 10MB 1024 65535 1024 77MB 1024 1024 68MB 41MB 25MB 57MB 41MB 41MB 41MB 48MB 65535 69MB 65535 114MB 486VP System Board User's Manual Page 39...

  • Page 41: Appendix B: Memory Mapping

    I/O board is used in this range 01000000- System Memory Cached BFFFFFFF (RAM) C0000000- System Memory Cached C1FFFFFF (RAM) C2000000- System Memory Cached FFFDFFFF FFFE0000- 128K On-Board Not cached FFFFFFFF BIOS ROM Page 40 486VP System Board User's Manual...

  • Page 42: Appendix C: At I/O Address Map

    Enhanced Graphics Adapter 3D0 - 3DF Color/Graphics Monitor Adapter 3F0 - 3F7 Diskette Drive Controller 3F8 - 3FF Serial Port 1 (RS-232-C) 6E2 - 6E3 Data Acquisition Adapter 1 790 - 793 Cluster Adapter 1 486VP System Board User's Manual Page 41...
  • Page 43 EE2 - EE3 Data Acquisition Adapter 3 1390 - 1393 Cluster Adapter 3 22E1 GPIB Adapter 1 2390 - 2393 Cluster Adapter 4 42E1 GPIB Adapter 2 62E1 GPIB Adapter 3 82E1 GPIB Adapter 4 Page 42 486VP System Board User's Manual...

  • Page 44: Appendix D: Interrupt Assignments

    Parallel Port 1 IRQ8 Real Time Clock IRQ9 Expansion Bus Pin IRQ10 Expansion Bus Pin IRQ11 Expansion Bus Pin IRQ12 Expansion Bus Pin IRQ13 Coprocessor Error IRQ14 Fixed Disk Drive Controller IRQ15 Expansion Bus Pin 486VP System Board User's Manual Page 43...

  • Page 45: Appendix E: Specification

    50 o to 104 o Fahrenheit (10 o to 40 o Celsius) Non-Operating: -22 o to 140 o Fahrenheit (-30 o to 60 o Celsius) Shipping: RELATIVE HUMIDITY (NON-CONDENSING) Operating: 20% to 80% Non-Operating: 5% to 90% Page 44 486VP System Board User's Manual...

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