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Vextrec GMB-486SPS User Manual

High performance 486 pci motherboard
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GMB-486SPS
High Performance
486
PCI Motherboard
User's Manual
For
GMB-486sps v0
Manual Edition 1.03

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Summary of Contents for Vextrec GMB-486SPS

  • Page 1 GMB-486SPS High Performance PCI Motherboard User’s Manual GMB-486sps v0 Manual Edition 1.03...
  • Page 2 ABOUT THIS GUIDE This guide contains instructions for configuring and installing the mainboard. • Chapter 1, Introduction, acquaints user with the special features of the mainboard. • Chapter 2, Hardware Configuration, gives information on configuring memory and setting the mainboard's jumpers. Brief sections on installing memory. •...
  • Page 3 UNPACKING THE MAINBOARD The Mainboard comes packed in a sturdy cardboard shipping carton. The carton contains: • The Mainboard • PCI IDE Driver Diskette • 40-pin Hard Disk Cable • 34-pin Floppy Disk Cable • 25-pin serial & 15-pin Game Port Cable •...

  • Page 4: Table Of Contents

    CONTENTS CHAPTER 1 INTRODUCTION KEY FEATURES MAINBOARD COMPONENTS PCI LOCAL BUS SPECIAL FEATURES CHAPTER 2 HARDWARE CONFIGURATION JUMPER AND MEMORY BANK LOCATIONS JP4-JP17, S4-S6 - CPU TYPE CONFIGURATION CPU INSTALLATION CACHE CONFIGURATION 2.4.1 UPGRADING CACHE 2.4.2 CACHE SIZE AND MEMORY LOCATIONS 2.4.3 CACHE CHIP SOCKETS AND JUMPER LOCATIONS19 2.4.4...
  • Page 5 HARDDISK INSTALLATION HARDWARE/SOFTWARE INSTALLATION SYSTEM ASSEMBLY OVERVIEW CHAPTER 4 AWARD BIOS SETUP ENTERING SETUP CONTROL KEYS GETTING HELP THE MAIN MENU 4.4.1 STANDARD CMOS SETUP MENU 4.4.2 BIOS FEATURES SETUP MENU 4.4.3 CHIPSET FEATURES SETUP MENU 4.4.4 POWER MANAGEMENT SETUP MENU 4.4.5 PCI CONFIGURATION SETUP MENU 4.4.6...

  • Page 6: Chapter 1 Introduction

    Introduction CHAPTER 1 INTRODUCTION The mainboard is a 2/3 body AT size high-performance mainboard that provides with basic elements on which to build an advanced computer. The mainboard running from 25MHz to 100MHz, supports Normal 486 CPUs, Intel's SL-Enhanced 486, P24D/P24T; P24C (486DX4), Cyrix Cx486S/DX/DX2/DX4, Cx486DX2- V66/V80 (3.6-4.0V)/Cx486DX4 (3.45V)/Cx5x86 (3.3V), Am486DX2/DX4 (3.45V), Enhanced Am486DX2/DX4 (3.45V), IBM 486-4V3100GIC/GC, SGS Thomson 486DX/DX2/DX4, UMC U5SX-486 &...
  • Page 7 Chapter 1 • Easy upgrade the system, just change CPU, or and alter jumper only. • System & video Bios Shadow, optional caching of shadowed system & video BIOS. • Flash ROM support. • Hidden DRAM refresh support. • Support 7 Direct Memory Access channels and 16 Interrupt levels. •...

  • Page 8: Mainboard Components

    Introduction MAINBOARD COMPONENTS This section gives a brief description of key components on the mainboard. Refer to Fig 1 for component locations. Fig 1 Key Components of the Mainboard...

  • Page 9: Pci Local Bus Special Features

    Chapter 1 PCI LOCAL BUS SPECIAL FEATURES • PCI (Peripheral Component Interconnect) Local-Bus is the latest Local Bus Standard that adapts the high performance and supports the future standard on the PC industry. • Four PCI slots are provided on the mainboard support up to three Bus Master devices. •...

  • Page 10: Chapter 2 Hardware Configuration

    Hardware Configuration CHAPTER 2 HARDWARE CONFIGURATION This chapter describes how to set the mainboard jumpers for cache memory and display type, and how to install memory modules. Before beginning the configuration, user should take the following precautions: • Turn off the power supply, and unplug the power cord before begin. •...

  • Page 11: Jp4-Jp17, S4-S6 - Cpu Type Configuration

    Chapter 2 JP4-JP17, S4-S6 - CPU TYPE CONFIGURATION The mainboard can support different 486 processors. JP4-JP17 select CPU type and S4-S6 select the CPU voltage. Refer to Fig 2 for the jumpers’ location, and set the jumper according to the following table: Table 1A: CPU Type: - 486SX (5V) Table 1B: CPU Type: - 486DX/DX2 (5V)
  • Page 12 Hardware Configuration Table 1C: CPU Type: - SLE 486SX (5V) Table 1D: CPU Type: - SLE 486DX/DX2 (5V) JP4-JP17, S4-S6--CPU Type Configuration...
  • Page 13 Chapter 2 Table 1E: CPU Type: - P24T (PENTIUM OVERDRIVE PODP5V) (5V) For 63MHz CPU clock set to 25MHz. For 83MHz CPU clock set to 33MHz Table 1F: CPU Type: - P24D (486DX2 & EW5V) (5V)
  • Page 14 Hardware Configuration Table 1G: CPU Type: - P24D (486DX4 & EW3V) (3.3V) Table 1H: CPU Type: - P24C (DX4) (3.3V)
  • Page 15 Chapter 2 Table 1I: CPU Type: - Am486DX2 (3.45V) (A80486DX2-XXNV8T) Table 1J: CPU Type: - Am486 DX4 (3.45V) (A80486DX4-100NV8T)
  • Page 16 Hardware Configuration Table 1K: CPU Type: - Enhanced Am486DX2 (3.45V) (A80486DX2-XXSV8B) Table 1L: CPU Type: - Enhanced Am486DX4 (3.45V) (A80486DX4-1XXSV8B) 1XX = 100/120MHz For 120MHz CPU, CPU Clock Frequency = 40MHz For 100MHz CPU, CPU Clock Frequency = 33MHz...
  • Page 17 Chapter 2 Table 1M: CPU Type: - Am5 -P75 (3.45V) (AMD-X5-133ADW) For 133MHz CPU, CPU Clock Frequency = 33MHz Table 1N: CPU Type: - Cx486S2 (5V)
  • Page 18 Hardware Configuration Table 1O: CPU Type: - Cx486DX/DX2 (5V) Table 1P: CPU Type: - Cx486DX2-V66 (3.6V)
  • Page 19 Chapter 2 Table 1Q: CPU Type: - Cx486DX2-V80 (4.0V) Table 1R: CPU Type: - Cx486DX4-100GP4/ST 486DX4V10HS (3.45V)
  • Page 20 Hardware Configuration Table 1S: CPU Type: - Cx486DX4-100GP/TI486DX2-80 IBM486-4V3100GC (3.45V) Table 1T: CPU Type: - Cx5x86-1XXGP/IBM 486-4V3100GIC (3.3V) 1XX = 100/120MHz For 120MHz CPU, CPU Clock Frequency = 40MHz For 100MHz CPU, CPU Clock Frequency = 33MHz...
  • Page 21 Chapter 2 Table 1U: CPU Type: - UMC U5SX-486 (5V)

  • Page 22: Cpu Installation

    Hardware Configuration CPU INSTALLATION The mainboard has a socket that can support 486 CPU. See Fig 1 in Chapter 1 for the socket's location. Install the 486 CPU as follows: Caution: Static electricity can damage the processor. Plug the 486 CPU into the socket, with the notch corner aligned. Fig 3 Installing a CPU Change the CPU type jumper setting according to the CPU Jumper setting table on the previous pages.

  • Page 23: Cache Configuration

    Chapter 2 CACHE CONFIGURATION The special feature of the mainboard is a built-in direct-mapped cache controller with optional write- back or write-through operation that supports 128KB, 256KB, 512KB or 1024KB cache memory. The mainboard has a built-in cache controller. It requires external SRAM as tag and cache memory. The caching Scheme is direct mapping with selectable write-back or write-through operation.

  • Page 24: Cache Size And Memory Locations

    Hardware Configuration 2.4.2 CACHE SIZE AND MEMORY LOCATIONS The table below describes the chip capacity and socket location required for each cache size configuration. User can use 32Kx8-bit or 128Kx8-bit SRAM chips in banks 0 and 1, and in the Tag RAM socket.

  • Page 25: Jp19, Jp24-Jp26, Jp20-Jp22, Jp27 - Cache & Tag Ram Jumper Setting

    Chapter 2 2.4.4 JP19, JP24-JP26, JP20-JP22, JP27 - CACHE & TAG RAM JUMPER SETTING Cache memory is configured using jumpers, JP19, JP24-JP26; while Tag RAM setting is configured using jumpers JP20-JP22, JP27. The following tables summarize the possible configuration. JP19, JP24-JP26 -- Cache Jumper Setting Table 3A: Cache Jumper Setting JP20-JP22, JP27 -- Tag RAM Jumper Setting Table 3B: Tag RAM Jumper Setting...

  • Page 26: Installing Cache Chips

    Hardware Configuration 2.4.5 INSTALLING CACHE CHIPS Install cache chips on the mainboard as follows: Caution: Static electricity can damage a cache chip. Review the section on static electricity precautions at the beginning of this manual, and make sure that power to the mainboard is off. Align the chip so that the notched corner of the chip matches the notched corner of the socket.

  • Page 27: Jp38 - Cmos Ram Battery Setting

    Chapter 2 JP38 - CMOS RAM BATTERY SETTING Please set JP38 is for CMOS RAM battery as below. Refer to Fig 2 for its location. JP38 -- CMOS RAM Battery Setting Table 4 JP33 - MONITOR SETTING Set the jumper, JP33, to configure the mainboard for either Monochrome or Color display. Refer to Fig 2 for its location.

  • Page 28: S1-S3, Jp3, Jp18 - Cpu Clock Frequency Configuration

    Hardware Configuration S1-S3, JP3, JP18 - CPU CLOCK FREQUENCY CONFIGURATION S1-S3, JP3, JP18 are for the CPU Clock Frequency Configuration. Refer to Fig 2 for their location. S1-S3, JP3, JP18-- CPU Clock Frequency Configuration Table 6...

  • Page 29: Jp34, Jp35 - Flash Rom Jumpers

    Chapter 2 JP34, JP35 - FLASH ROM JUMPERS JP34, JP35 are for Flash ROM selection. Refer to Fig 2 for their location. JP34, JP35 -- Flash ROM Jumper Table 7 JP51 - PARALLEL PORT IRQ SELECTION JP51 is for Parallel Port IRQ selection. Refer to Fig 2 for its location. JP51 -- Parallel Port IRQ Selection 2.10 JP36, JP37, JP52, JP53 - PARALLEL PORT SETTING AND ECP DMA SELECTION...

  • Page 30: Memory Installation

    Hardware Configuration 2.11 MEMORY INSTALLATION Four 72pin SIMM sockets are provided in 4 Banks. User can install 256Kx36, 512Kx36, 1Mx36, 2Mx36, 4Mx36, 8Mx36, or 16Mx36 SIMMs. Note that all SIMM modules in a bank must be same capacity and follow combination showed below. For best performance 70ns SIMMs are required. BANK 0 BANK 1 BANK 2...
  • Page 31 Chapter 2 BANK 0 BANK 1 BANK 2 BANK 3 MEMORY SIZE NONE NONE 12MB 16MB NONE NONE 16MB 16MB NONE NONE NONE 16MB NONE 16MB 16MB NONE NONE 17MB 16MB NONE 18MB 16MB NONE NONE 18MB 16MB NONE 20MB 16MB NONE NONE...
  • Page 32 Hardware Configuration BANK 0 BANK 1 BANK 2 BANK 3 MEMORY SIZE 16MB 16MB 36MB 16MB 16MB NONE 36MB 32MB NONE NONE 36MB 16MB 16MB 40MB 32MB NONE 40MB 16MB 40MB 16MB 16MB 16MB NONE 48MB 16MB 32MB NONE NONE 48MB 16MB 16MB...

  • Page 33: Installing Simm

    Chapter 2 2.11.1 INSTALLING SIMM Install a SIMM in a memory socket as follows: Caution: Static electricity can seriously damage SIMM modules. Review the section on static electricity precautions at the beginning of this manual. Align the SIMM module so that the pin-1 marking on the module corresponds to the socket pin-1 marking.

  • Page 34: Chapter 3 Mainboard Installation

    Mainboard Installation CHAPTER 3 MAINBOARD INSTALLATION Once the mainboard's hardware has been configured, the user is now ready to install the mainboard into the system chassis. This chapter describes what are needed to assemble an advanced computer system based on the mainboard.

  • Page 35: Installing The Mainboard

    Chapter 3 INSTALLING THE MAINBOARD Before starting, check the location of the mounting holes in the case and on the mainboard. Caution: Static electricity can damage the mainboard. Install the mainboard as follows: Review the section on static electricity precautions at the beginning of this manual. Place the case on an anti-static mat and remove the cover.

  • Page 36: Connection Locations

    Mainboard Installation 3.3.1 CONNECTION LOCATIONS Fig 7 Connector Locations...

  • Page 37: Connectors

    Chapter 3 CONNECTORS 3.4.1 J1 - RESET SWITCH CONNECTOR Attach the Reset switch cable to this connector. The Reset switch restarts the system. Setting Description Close Reset Open Normal Table 11 3.4.2 J2 - TURBO LED CONNECTOR J2 is usually connected to a Turbo LED on front of the system case. If the system board select is in Turbo mode, the indicator will light during high-speed operation.

  • Page 38: J5 - Turbo Switch Connector

    Mainboard Installation 3.4.5 J5 - TURBO SWITCH CONNECTOR Table 15 J5 connects to the Turbo switch, which is used to select the mainboard's clock speed. 3.4.6 J6 - GREEN PC BREAK SWITCH J6 is for the Green feature activation Break Switch. When J6 is changed from open to close then open again, the system will go to suspend mode immediately.

  • Page 39: J14 - On Board Com1 Connector

    Chapter 3 J13 is a 40-pin IDE Hard Disk connector. It is assigned as Channel 1 for Secondary Hard Disk Controller connector. 3.4.11 J14 - ON BOARD COM1 CONNECTOR J14 is a 10-pin COM1 connector. It is assigned as COM1/COM3 for serial port. Refer to Fig 7 for its location.

  • Page 40: J20 - Power Supply Connector

    Mainboard Installation 3.4.17 J20 - POWER SUPPLY CONNECTOR The power supply connector has twelve-pin male header connectors. Plug the dual connectors from the power directly onto the board connector. Description Description Power Good Ground +5V DC Ground +12V DC -5V DC -12V DC +5V DC Ground...

  • Page 41: System Assembly Overview

    Chapter 3 SYSTEM ASSEMBLY OVERVIEW After installing and connecting the mainboard, assemble components in the following order: Power Supply: Place the power supply so that it fits the raised tongues on the chassis floor. Insert and fasten the two screws on the back panel of the chassis. Connect the power supply to the power supply connector.

  • Page 42: Chapter 4 Award Bios Setup

    Award BIOS Setup CHAPTER 4 AWARD BIOS SETUP Award's BIOS ROM has a built-in Setup program that allows users to modify the basic system configuration. This type of information is stored in battery-backed RAM so that it retains the Setup information when the power is turned off.

  • Page 43: Control Keys

    Chapter 4 CONTROL KEYS Up arrow: Move to previous item Down arrow: Move to next item Left arrow: Move to the item in the left hand Right arrow: Move to the item in the right hand Esc key: Main Menu -- Quit and not save changes into CMOS Status Page Setup Menu and Option Page Setup Menu -- Exit current page and return to Main Menu PgUp key:...

  • Page 44: The Main Menu

    Award BIOS Setup THE MAIN MENU Once you enter Award BIOS CMOS Setup Utility, the Main Menu will appear on the screen. The Main Menu allows you to select from ten setup functions and two exit choices. Use arrow keys to select among the items and press <Enter>...

  • Page 45: Standard Cmos Setup Menu

    Chapter 4 4.4.1 STANDARD CMOS SETUP MENU The items on Standard CMOS Setup Menu are divided into 10 categories. Each category includes no, one or more than one setup items. Use the arrow keys to highlight the item and then use the <PgUp> or <PgDn>...

  • Page 46: Bios Features Setup Menu

    Award BIOS Setup 4.4.2 BIOS FEATURES SETUP MENU ROM PCI/ISA BIOS (2A4IBG32) BIOS FEATURES SETUP AWARD SOFTWARE, INC. Virus Warning : Disabled Video BIOS Shadow : Enabled CPU Internal Cache : Enabled C8000-CFFFF Shadow : Disabled External Cache : Enabled D0000-D7FFF Shadow : Disabled Quick Power On Self Test : Disabled D8000-DFFFF Shadow : Disabled...

  • Page 47: Chipset Features Setup Menu

    Chapter 4 4.4.3 CHIPSET FEATURES SETUP MENU ROM PCI/ISA BIOS (2A4IBG32) CHIPSET FEATURES SETUP AWARD SOFTWARE, INC. Auto Configuration : Enabled IDE HDD Block Mode : Enabled Onboard FDD Controller : Enabled ISA Bus Clock : 1/4CLK Onboard Serial Port 1 : COM1 DRAM Speed : Faster...

  • Page 48: Power Management Setup Menu

    Award BIOS Setup 4.4.4 POWER MANAGEMENT SETUP MENU ROM PCI/ISA BIOS (2A4IBG32) POWER MANAGEMENT SETUP AWARD SOFTWARE, INC. Power Management : Max Saving IRQ 3 (COM 2) : Enable PM Control by APM : Yes IRQ 4 (COM 1) : Enable Video Off Option : Suspend ->...
  • Page 49 Chapter 4 ROM PCI/ISA BIOS (2A4IBG32) POWER MANAGEMENT SETUP AWARD SOFTWARE, INC. Power Management : Disable IRQ 3 (COM 2) : Enable PM Control by APM : Yes IRQ 4 (COM 1) : Enable Video Off Option : Suspend -> Off IRQ 5 (LPT 2) : Enable Video Off Method...

  • Page 50: Pci Configuration Setup Menu

    Award BIOS Setup 4.4.5 PCI CONFIGURATION SETUP MENU ROM PCI/PCI/ISA BIOS (2A4IBG32) BIOS FEATURES SETUP AWARD SOFTWARE, INC. Slot 1 Using INT# : AUTO Slot 2 Using INT# : AUTO Slot 3 Using INT# : AUTO Slot 4 Using INT# : AUTO 1st Available IRQ : 10...

  • Page 51: Load Bios Defaults Menu

    Chapter 4 4.4.6 LOAD BIOS DEFAULTS MENU When you select this function, the following message will appear at the center of the screen to assist you to load BIOS defaults (except Standard CMOS Setup). Load BIOS Defaults (Y/N)? 4.4.7 LOAD SETUP DEFAULTS MENU When you select this function, the following message will appear at the center of the screen to assist you to load Setup defaults (except Standard CMOS Setup).

  • Page 52: Ide Hdd Auto Detection Menu

    Award BIOS Setup 4.4.9 IDE HDD AUTO DETECTION MENU This function will automatically detect the information of the Hard Disk, and list them for your reference. ROM PCI/ISA BIOS (2A4IBG32) CMOS SETUP UTILITY AWARD SOFTWARE, INC. HARD DISKS TYPE SIZE CYLS. HEADS PRECOMP LANDZ SECTOR MODE Primary Master: Select Primary Master Option (N=Skip) : N OPTIONS SIZE CYLS.

  • Page 53: Hdd Low Level Format Menu

    Chapter 4 4.4.10 HDD LOW LEVEL FORMAT MENU Three utilities are provided in the HDD Low Level Format menu: (1) SELECT DRIVE (2) BAD TRACK LIST (3) PREFORMAT Hard Disk Low Level Format Utility BAD TRACKS TABLE NO. CYLS HEAD SELECT DRIVE BAD TRACK LIST PREFORMAT...
  • Page 54 Award BIOS Setup Hard Disk Low Level Format Utility BAD TRACKS TABLE NO. CYLS HEAD SELECT DRIVE BAD TRACK LIST PREFORMAT Auto scan bad track Add bad track Modify bad track Delete bad track Clear bad track table DRIVE : C CYLINDER : 0 HEAD : 0 SIZE CYLS HEAD PRECOMP LANDZ SECTOR MODE Primary Master : 270 944...

  • Page 55: Save & Exit Setup Menu

    Chapter 4 Hard Disk Low Level Format Utility BAD TRACKS TABLE NO. CYLS HEAD SELECT DRIVE BAD TRACK LIST PREFORMAT Interleave (1-8) : 0 (0 for auto detect) Auto scan bad track : N START : N DRIVE : C CYLINDER : 0 HEAD : 0 SIZE CYLS HEAD PRECOMP LANDZ SECTOR MODE Primary Master : 270 944...

  • Page 56: Chapter 5 Bios Post Message

    BIOS POST Message CHAPTER 5 BIOS POST MESSAGE When the BIOS encounters an error that requires the user to correct something, either a beep code will sound or a message will be displayed in a box in the middle of the screen and the message PRESS F1 TO CONTINUE, CTRL-ALT-ESC OR DEL TO ENTER SETUP will be shown in the information box at the bottom.
  • Page 57 Chapter 5 *** NOTE: When either of these errors appear, the system will boot in ISA mode, which allows you to run the EISA Configuration Utility. ERROR ENCOUNTERED INITIALIZING HARD DRIVE: Hard drive cannot be initialized. Be sure the adapter is installed correctly and all cables are correctly and firmly attached.
  • Page 58 BIOS POST Message RAM PARITY ERROR messages when the segment that has caused the problem has been isolated. PRESS A KEY TO REBOOT: This will be displayed at the bottom screen when an error occurs that required you to reboot. Press any key and the system will reboot.

  • Page 59: Chapter 6 Bios Default Drive Table

    Chapter 6 CHAPTER 6 BIOS DEFAULT DRIVE TABLE This is a current list of the drive type table contained in Setup. Type Size Cylns Heads Sects Write Land Example Model (MB) Pcomp Zone TEAC SD510, MMI 112, 5412 Seagate ST225, ST4026 None Seagate ST125, Tandon TM262...

  • Page 60: Chapter 7 Appendix A

    Appendix A CHAPTER 7 APPENDIX A CPU TYPE CONFIGURATION 486SX 486DX P24T SL P24D AMD486 ENHANCE ENHANCE DX/DX4 486SX 486DX/2 OPEN OPEN OPEN OPEN OPEN OPEN OPEN JP11 OPEN OPEN OPEN OPEN OPEN1-2 OPEN JP12 OPEN OPEN OPEN JP13 OPEN OPEN JP14 1-2,3-4...

  • Page 61: Cpu Supply Voltage Selection

    Chapter 7 CPU SUPPLY VOLTAGE SELECTION CPU VOLT 3.3V OPEN OPEN 3.45V OPEN OPEN 3.6V OPEN OPEN OPEN OPEN OPEN Table 22...

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