American Megatrends Super Voyager LC User Manual
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American Megatrends Super Voyager LC User Manual

American Megatrends Super Voyager LC User Manual

American megatrends super voyager lc motherboards: user guide
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American Megatrends, Inc.
80486 Voyager LC
Motherboard
User's Guide
MAN-661
4/27/01

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Summary of Contents for American Megatrends Super Voyager LC

  • Page 1 American Megatrends, Inc. 80486 Voyager LC Motherboard User's Guide MAN-661 4/27/01...
  • Page 2 Inc. Limited Warranty Buyer agrees if this product proves to be defective, that American Megatrends, Inc. is only obligated to replace or refund the purchase price of this product at American Megatrend's discretion according to the terms and conditions of the warranty card accompanying the American Megatrends Super Voyager LC motherboard.
  • Page 3 Weitek is a trademark of Weitek, Inc. QEMM is a trademark of Quarterdeck Office Systems. Toshiba is a registered trademark of Kabushiki Kaisha Toshiba. Chips and Technologies, NEAT, and CHIPSet are registered trademarks of Chips and Technologies Incorporated. Revision History 7/15/92 Initial printing.

  • Page 4: Table Of Contents

    Table of Contents Chapter 1 Introduction ... 1 Specifications ... 2 Microprocessor ... 2 Heat Sink for 50 MHz CPUs ... 2 Processor Speeds ... 2 Main Memory ... 2 Cache Memory ... 3 Cache Memory SRAM Type ... 3 Built-in Battery ...
  • Page 5 Continued Table of Contents, Chapter 4 AMIBIOS , cont'd Section 2 STANDARD CMOS SETUP ... 43 Date And Day Configuration ... 44 Hard Disk Configuration ... 45 Hard Disk Parameter Table ... 46 Floppy Drive A and Floppy Drive B: ... 48 Primary Display ...
  • Page 6 Super Voyager LC motherboard. This manual is not meant to be read by the computer owner who purchases a computer with the Super Voyager LC motherboard. It is assumed that you, the computer manufacturer, will use this manual as a sourcebook of information, and that parts of this manual will be included in the computer owner's manual.

  • Page 7: Chapter 1 Introduction

    Chapter 1 Introduction The American Megatrends Series 61 80486 Super Voyager LC is an AT®-compatible motherboard, approximately 8.55 inches wide by 13 inches in length. It is similar in size to a standard baby AT motherboard. The mounting hole locations allow this motherboard to be used with a baby AT chassis.

  • Page 8: Specifications

    The keychords can be changed via AMIBCP. Main Memory The Super Voyager LC supports up to 32 MB via two banks of 4 MB x 9 SIMMs on the motherboard. 256 KB x 9 and 1 MB x 9 SIMMs can also be used.

  • Page 9: Cache Memory

    50 MHz. Burst mode is supported for caching. Cache Memory SRAM Type 33 and 50 MHz Super Voyager LC motherboards use 15 ns SRAM for cache memory. 20 and 25 MHz Super Voyager LC motherboards use 20 ns SRAM.

  • Page 10: Rom

    Continued Specifications, The Super Voyager LC has 64 KB of Read Only Memory (ROM) used for the system BIOS at F0000h. Shadow RAM The Super Voyager LC system BIOS is always shadowed from ROM to RAM. You can select video BIOS shadowing through AMIBIOS Setup.

  • Page 11: System Support Functions

    Continued Specifications, System Support Functions The Super Voyager LC supports all standard ISA functions and some nonstandard functions: • seven Direct Memory Access (DMA) channels: Channels 0 - 3 are used for 8-bit data transfer; Channels 5 - 7 are used for 16-bit data transfers.

  • Page 12: Keyboard

    AT-compatible keyboard. The Super Voyager LC also has a keyboard lock function to prevent unauthorized access to the system. CPU Socket The Super Voyager LC has a 168-pin PGA socket designed to be occupied by an Intel 80486DX, 80486SX, or 80486DX-2 microprocessor. Speaker The Super Voyager LC has an attachment for an audio speaker.

  • Page 13: Chapter 2 Installation

    Step Inspect the cardboard carton for obvious damage. If damaged, call American Megatrends Technical Support at 404-246-8600. Leave the Super Voyager LC motherboard in its original packing. Perform all unpacking and installation procedures on a ground-connected anti-static mat. The operator should wear an anti-static wristband, grounded at the same point as the anti-static mat.
  • Page 14 Chapter 2 - Installation...
  • Page 15 Series 61 Motherboard Layout Super-Voyager LC Motherboard User's Guide...

  • Page 16: Installation Steps

    Connect cables. Install adapter cards. Perform initial test and configuration. Standoffs and mounting screws are not supplied with the 80486 Super Voyager LC motherboard. These should be supplied with the chassis. Chapter 2 - Installation Turn to Page 11 Page 15...

  • Page 17: Step 1 Set Switch And Jumper Options

    Step 1 Set Switch and Jumper Options Set all user-configurable jumpers and switches before installing the motherboard. The Super Voyager LC has two switches and four jumpers: Cache Memory Size Select DIAG and Display Processor Type Clock Select Power Good Signal Select...
  • Page 18 J17 Clock Select J17 is a three-pin single-inline berg. Pins 1-2 are shorted if this Super Voyager LC has a 25, 33, or 50 MHz processor. Pins 2-3 are shorted if it has a 20 MHz processor. See the following graphic.
  • Page 19 Super-Voyager LC Motherboard User's Guide...
  • Page 20 Step 1 Set Switch and Jumper Options, Continued J23 POWERGOOD Signal Source J23 is a three-pin berg. Pins 1-2 are shorted if the Internal POWERGOOD signal is used. Pins 2-3 are shorted if an External POWERGOOD Signal is used. J33 CMOS RAM Drain J33 is a three-pin single-inline berg.

  • Page 21: Step 2 Install Memory

    CMOS RAM power to remove the old password. He then must run AMIBIOS Setup to reconfigure the system. Step 2 Install Memory The main memory subsystem on the Super Voyager LC motherboard consists of two 32-bit memory banks of four sockets each. Both banks house SIMM (Single In-line Memory Module) DRAM packages.
  • Page 22 Step 2 Install Memory, Reporting Memory The system memory configuration is reported by AMIBIOS as it boots and again in the BIOS System Configuration Screen displayed when AMIBIOS boots DOS. If the system has up to 8 MB of RAM, the memory shown by AMIBIOS is 128 KB less than the total amount of memory installed because parts of the memory between 640K and 1 MB are used for system and video BIOS shadowing.
  • Page 23 256 KB x 9, 1 MB x 9, or 4 MB x 9 SIMMs. Use only one type of module to fill each bank. Place the Super Voyager LC motherboard on an anti-static mat. With the component side of the SIMM facing you, firmly push the SIMM into the socket.

  • Page 24: Step 3 Install Processor

    The only math coprocessor that can be used on the Super Voyager LC motherboard is an Intel 80487SX. And it can be used only if the processor on the Super Voyager LC is an Intel 80486SX. It is installed in U54, the Intel Upgradable Processor socket. Make sure the 80487SX coprocessor speed is the same as the 80486SX speed (20 or 25 MHz).

  • Page 25: Upgradeable Processor

    Visually inspect the coprocessor to make certain that all pins are connected. Power the system up again. Call American Megatrends Technical Support at 404-246- 8600 if still not configured. Upgradeable Processor U54 can also be used to install a 169-pin Intel upgradeable processor, such as an Intel P23T.

  • Page 26: Step 4 Install The Motherboard

    Step 4 Install the Motherboard The mounting hole pattern on the Super Voyager LC motherboard is the same as the mounting hole pattern on a baby AT motherboard. See the following graphic . Legend: ! screw hole " Mounting hole...

  • Page 27: Install Motherboard

    If necessary, shift the motherboard slightly to align the mounting holes on the motherboard with the holes on the chassis. Refer to the Super Voyager LC graphic shown on page 9. Standoffs and mounting screws are not supplied with the 80486 Super Voyager LC motherboard.

  • Page 28: Step 5 Connect The Power Supply

    Step 5 Connect the Power Supply The power supply specifications should match the physical configuration of the chassis. Make sure that the power switch is Off before installation. Before attaching all components, make sure that the proper voltage has been selected. Power supplies often can run on a wide range of voltages, but must be set (usually with a switch) to the proper range.
  • Page 29 Step 5 Connect the Power Supply, See the following figure for the location of connectors P2 and P3. AT-compatible power supplies have two six-pin connectors that are inserted in P2 and P3. The six-pin connector with 3 red wires and 2 black wires is connected to P3 and the remaining six-pin connector is connected to P2.

  • Page 30: Step 6 Connect The Keyboard

    Step 6 Connect the Keyboard The keyboard connector is a five-pin DIN socket (see the graphic below) and is labeled KEYBRD and J3 on the motherboard. It accepts a standard AT-compatible keyboard. Assignments Keyboard clock Keyboard data Not used Ground Chapter 2 - Installation...

  • Page 31: Step 7 Connect Cables

    If so, follow the wire to the switch or LED. Pin 1 of all connectors is labeled on the graphic on page 9 as well as on the Super Voyager LC motherboard to identify the pin orientation when plugging in cables.
  • Page 32 J22 Reset Button Connector J22 is a two-pin single-inline berg. A hard reset is done when the Reset button is pressed. Pin 1 is ground and Pin 2 is Hard Reset. See the following illustration. J15 Speaker Cable J15 is a 4 pin single-in-line berg. AMIBIOS signals hardware problems through the speaker.
  • Page 33 Step 7 Connect Cables, J18 Keyboard Lock Connector J18 is a five-pin single-inline berg. The keyboard lock allows you to lock the keyboard, protecting the system from unauthorized use. This connector is keyed with a blank hole. Pin 1 on the motherboard is labeled with a plus (+) sign.
  • Page 34 Step 7 Connect Cables, J16 Turbo LED J16 is a 2-pin berg that connects to the Turbo LED via a cable. The LED lights when the board is running at high speed. Connect the Turbo LED to J16 as shown below. J21 Turbo Switch J21 is a two-pin berg that connects to the Turbo switch mounted on the chassis via a cable, as shown below.
  • Page 35 J1 External Battery Connector The Super Voyager LC has a built-in rechargeable battery on the motherboard and does not need an external battery. However, an external battery can be used with the Super Voyager LC. Connect the external battery to J1.

  • Page 36: Step 8 Install Adapter Cards

    Step 8 Install Adapter Cards The Super Voyager LC has eight 16-bit slots. The 16-bit slots can accept either 8- or 16-bit ISA (XT- or AT-compatible) adapter cards. 16-Bit ISA Extension Pinout The following 16-bit pins are an extension of the 8-bit board layout and are used in conjunction with the 8-bit board standard pins.
  • Page 37 Step 8 Install Adapter Cards, 8-Bit ISA Slot Pinout IOCHCK- SD07 SD06 SD05 SD04 SD03 SD02 SD01 SD00 IOCHRDY SA19 SA18 SA17 SA16 SA15 SA14 SA13 SA12 SA11 SA10 SA09 SA08 SA07 SA06 SA05 SA04 SA03 SA02 SA01 SA00 Super-Voyager LC Motherboard User's Guide Continued RSTDRV IRQ9...

  • Page 38: Step 9 Perform Initial Test And Configuration

    Step 9 Perform Initial Test and Configuration Before powering up the system to perform the initial test, review the following checklist: make sure that all adapter cards are seated properly, make sure all connectors are properly seated, if a math coprocessor or Upgradable Processor is used, make sure it is seated properly, make sure there are no screws or other foreign material on the motherboard,...

  • Page 39: Chapter 3 Bios Power-On Self Test (Post)

    Chapter 3 BIOS Power-On Self Test (POST) Overview AMIBIOS provides all IBM-standard POST routines as well as enhanced American Megatrends routines. AMIBIOS POST supports CPU internal diagnostics. POST codes are accessible via the Manufacturing Test Port (I/O Port 80h). POST Phases When the system is powered on, AMIBIOS executes POST routines.

  • Page 40: Beep Codes

    Beep Codes Fatal errors, listed below, are communicated through a series of audible beeps. All errors except Beep Code 8 are fatal. Fatal errors halt the boot process. In most cases, displayed errors allow the system to continue. AMIBIOS displayed errors are described on page 35.

  • Page 41: Amibios Displayed Error Messages

    AMIBIOS Displayed Error Messages Error message are displayed as follows: ERROR Message Line 1 ERROR Message Line 2 followed by Press the <F1> key to continue and the system halts. The system does not halt if Wait for <F1> If Any Error in ADVANCED CMOS SETUP is Disabled.
  • Page 42 Error Message Type Mismatch detected by AMIBIOS. Run AMIBIOS Setup. CMOS Memory The amount of memory on the motherboard is different Size Mismatch than the amount in CMOS RAM. Run AMIBIOS Setup. CMOS Time & Run STANDARD CMOS SETUP to set the date and time Date Not Set in CMOS RAM.

  • Page 43: Bios Configuration Summary Screen

    Parity Error ????. DMA Bus Time- A device drove the bus signal for more than 7.8 µseconds. BIOS Configuration Summary Screen AMIBIOS System Configuration (C) Copyright 1985-1991 American Megatrends Inc., Main Processor : 486DX Numeric Processor : Present Floppy Drive A: : 1.2 MB 5½...

  • Page 44: Post Memory Test

    POST Memory Test Normally, the only visible POST routine is the memory test. The information that appears when the system is powered on is shown below. AMIBIOS (C) 1992 American Megatrends Inc., BIOS Release 50020692 KB OK XXXXX Press <DEL> if you want to run SETUP (C) American Megatrends Inc.,...

  • Page 45: Amibios Setup

    Chapter 4 AMIBIOS Keyboard Speed Switching You can increase processor speeds at any time by pressing <Ctrl> <Alt> <+>. Processor speed can be decreased by pressing <Ctrl> <Alt> <->. Of course, the OEM can modify these keystroke combinations through AMIBCP. The above settings are the default settings. AMIBIOS Setup AMIBIOS Setup is divided into three parts: •...
  • Page 46 Continued AMIBIO Setup, STANDARD CMOS SETUP AMIBIOS STANDARD CMOS SETUP, discussed in Section 1 beginning on page 45, configures system components such as floppy drives, hard disk drives, monitor type, and keyboard. ADVANCED CMOS SETUP The ADVANCED CMOS SETUP, discussed in Section 3 beginning on page 50, configures the system password, keyboard typematic rate, boot sequence and speed, and enables system performance features, such as Fast Gate A20 support.

  • Page 47: Section 1 Running Amibios Setup

    Section 1 Running AMIBIOS Setup The system parameters (such as amount of memory, number and type of disk drives, and video display type) are stored in CMOS RAM. When the computer is turned off, a back-up battery provides power to CMOS RAM, which retains these parameters. Each time the system is powered on, it is configured with these settings, unless CMOS RAM has been corrupted.

  • Page 48: Setup Keys

    AMIBIOS Setup Keys Keystroke <Esc> Returns to previous screen. Move the cursor from one option to the next. <PgUp> and <PgDn>; Modify the default setting of the options <Ctrl><PgUp> and for the highlighted parameter. If there are <Ctrl><PgDn> fewer than 10 options, <Ctrl> <PgUp> and <Ctrl>...

  • Page 49: Warning Message

    Main Menu AMIBIOS Setup Options AMIBIOS Setup Main Menu options are shown below. Each option is explained in detail in this section. Warning Message A warning is displayed when STANDARD CMOS SETUP, ADVANCED CMOS SETUP, or ADVANCED CHIPSET SETUP is selected. Press <Enter> to display the next screen . Auto Configuration With BIOS Defaults Auto Configuration With BIOS Defaults uses the default system settings for all BIOS options.

  • Page 50: Write To Cmos And Exit

    Write to CMOS and Exit The options selected and configured in the Standard Setup, ADVANCED CMOS SETUP, ADVANCED CHIPSET SETUP, and the new password (if any) are stored in CMOS RAM when this option is selected. A CMOS RAM checksum is calculated and written to CMOS RAM.

  • Page 51: Standard Cmos Setup

    Section 2 STANDARD CMOS SETUP Overview Press <Enter> when STANDARD CMOS SETUP is highlighted. The following appears. Super-Voyager LC Motherboard User's Guide...

  • Page 52: Standard Cmos Setup Options

    STANDARD CMOS SETUP Options Date And Day Configuration Move the cursor to the Date field via and set the Date and Day by pressing <PgUp> and <PgDn> to change the settings. Ranges for each setting are shown in the lower right corner of the screen.
  • Page 53 STANDARD CMOS SETUP Options, Hard Disk Drive C: Hard Disk Drive D: Move to these fields via the drive type via <PgUp> and <PgDn> that matches the drive parameters for the hard disk drive in the computer. The hard disk drive manufacturer usually supplies the drive parameters.

  • Page 54: Hard Disk Drive Types

    STANDARD CMOS SETUP Options, Hard Disk Drive Types Type Cylinders Heads Write Precompensation 65535 65535 65535 65535 65535 65535 65535 65535 1024 65535 65535 65535 1024 65535 1024 65535 1024 1024 1024 65535 1024 65535 65535 1224 65535 Enter the drive parameters supplied by the hard disk drive manufacturer. Chapter 4 - AMIBIOS Features Continued Landing...
  • Page 55 STANDARD CMOS SETUP Options, Floppy Drive A Floppy Drive B: Move to these fields via the via <PgUp> and <PgDn>. The settings are 360 KB 5¼ inch, 1.2 MB 5¼ inch, 720 KB 3½ inch, 1.44 MB 3½ inch, or Not Installed, which configures diskless workstations.

  • Page 56: Advanced Cmos Setup

    Section 3 ADVANCED CMOS SETUP ADVANCED CMOS SETUP in AMIBIOS Setup for the Super Voyager LC motherboard is shown below. Use the scroll through the options. Help Screens ADVANCED CMOS SETUP has a series of help screens, accessed by pressing <F1>, which displays the settings for an AMIBIOS Setup option when that option is highlighted .

  • Page 57: Advanced Cmos Setup Options

    ADVANCED CMOS SETUP Options Typematic Rate Programming Typematic Rate Programming Typematic Rate Typematic Rate Delay Typematic Programming enables or disables the following two options. Typematic Rate Delay (250, 500, 750 or 1,000 milliseconds) and Typematic Rate (6, 8, 10, 12, 14, 15, 24, or 30 characters per second) control the speed at which a keystroke is repeated.
  • Page 58 Continued ADVANCED CMOS SETUP Options, System Boot Up Num Lock This option turns off Num Lock when the system is powered on so you can use the arrow keys on both the numeric keypad and the keyboard. The settings are On or Off. The defaults are On. Floppy Drive Seek At Boot When enabled, a Seek command is performed on drive A: at system boot.
  • Page 59 Continued ADVANCED CMOS SETUP Options, Password Checking Option This option can enable password checking every time the system boots or AMIBIOS Setup is run. The settings are Setup - a password prompt appears when AMIBIOS Setup is run (The default) or Always (a password prompt appears every time the system is turned on).

  • Page 60: Advanced Chipset Setup

    Section 4 ADVANCED CHIPSET SETUP The Super Voyager LC BIOS ADVANCED CHIPSET SETUP screen is shown below. Use the keys to scroll through the options. Help Screens As with all AMIBIOS Setup screens, each ADVANCED CHIPSET SETUP option has context-sensitive Help information. Press <F1>...

  • Page 61: Warning Screen

    Warning Screen A warning screen appears when ADVANCED CHIPSET SETUP is selected. Press any key to continue. Super-Voyager LC Motherboard User's Guide...

  • Page 62: Advanced Chipset Setup Options

    ADVANCED CHIPSET SETUP Options 8-bit AT Cycle Wait State This option sets the number of wait states inserted before 8-bit AT cycle operations. The settings are 4 WS (the default) or 5 WS. 16-bit AT Cycle Wait State This option sets the number of wait states inserted before 16-bit AT cycle operations.

  • Page 63: Amibios Password Support

    Section 5 AMIBIOS Password Support AMIBIOS Setup has an optional password feature. The system can be configured so that all users must enter a password every time the system boots or when Setup is executed. Setting a Password The password check option is enabled in ADVANCED CMOS SETUP (see page 53) by choosing either Always or Setup.

  • Page 64: Changing A Password

    Changing a Password Select the Change Password option from the AMIBIOS Setup Main Menu. Enter the password and press <Enter>. The screen does not display the characters entered. After the new password is entered, retype the new password as prompted and press <Enter>. If the password confirmation is incorrect, an error message appears.

  • Page 65: Hard Disk Utility

    Section 6 Hard Disk Utility AMIBIOS includes three hard disk utilities: Utility Hard Disk Format Performs a low level format of the hard drive(s). Read the system or hard disk drive documentation to find out if the hard disk has been preformatted.

  • Page 66: When To Use Amibios Hard Disk Utilities

    When to Use AMIBIOS Hard Disk Utilities When Conditions Installing a new The hard disk drive hard disk. manufacturer provided a list of bad tracks, the system documentation includes the optimum interleave factor, and the drive is preformatted . Installing a new You do not have a list of bad hard disk.

  • Page 67: Hard Disk Format Utility

    Hard Disk Format Utility Warning The Hard Disk Format utility destroys all hard disk data. Back up the data on the hard disk before running this utility. This routine does not work on IDE or SCSI drives. Use Hard Disk Format to integrate a new hard disk to the system, or to reformat a used hard disk which has developed bad tracks as a result of aging or poor handling.
  • Page 68 Continued Hard Disk Format Utility, Answer the questions on the screen. The first two questions are already completed if only one hard disk drive was selected in STANDARD CMOS SETUP and the cursor is on Interleave. The Disk Drive Type is read from CMOS RAM. The interleave factor can be selected manually or determined by the Auto Interleave routine.

  • Page 69: Auto Interleave Utility

    Auto Interleave Utility Warning The Auto Interleave utility destroys hard disk data. Back up the data on the hard disk before running this utility. The Auto Interleave utility calculates the optimum interleave factor through trial and error by measuring the transfer rate for four different interleave values.

  • Page 70: Media Analysis Utility

    Media Analysis Utility The Media Analysis utility performs a series of tests to locate bad or damaged tracks on the hard disk as a result of aging or poor handling. This utility locates all bad tracks and lists them in the Bad Track List Box.

  • Page 71: Hard Disk Utility Error Messages

    Hard Disk Utility Error Messages Initialization Errors Message No Hard Disk There is no hard disk drive in the system but Hard Installed Disk Utility was selected. FATAL ERROR Bad No response from the hard disk, or the hard disk is Hard Disk not repairable.

  • Page 72: Operation Errors

    Hard Disk Utility Error Messages, Operation Errors Message Address Mark Not The address mark (initial address) on the hard disk Found could not be found. Attachment Failed to No response has been received from the hard disk Respond drive. Bad ECC on Disk When the hard disk drive utility writes to the disk, it Read also calculates an ECC (Error Correction Code)

  • Page 73: Upgrading To 256 Kb Cache

    Appendix A Upgrading to 256 KB Cache Parts To upgrade to 256 KB of cache memory, you will need 28-pin 32 KB x 8 static RAM chips with an access time of 15 or 20 ns: • If the motherboard has a 33 or 50 MHz processor, use 15 ns SRAM.
  • Page 74 Cache Diagram Appendix A - Upgrading Cache Memory...

  • Page 75: Heat Dissipation

    For this reason we have supplied a heat sink with all American Megatrends motherboards and CPU Cards that have a 50 MHz 80486DX or 66 MHz 80486DX2 CPU.
  • Page 76 Continued Heat Dissipation, Test Procedure to Assure Proper Operating Temperatures: Install the American Megatrends motherboard or CPU card in a fully loaded system. Install a temperature sensor (such as a thermocouple) so that the surface of the heat sink can be measured without opening the case.
  • Page 77 Series 61 motherboard and tries to program I/O registers specific to the C&T CHIPset. This feature was written only for motherboards containing the C&T CHIPset and causes the Series 61 motherboard to reboot. To prevent QEMM from programming the I/O registers, add: Device = drive:path\QEMM.SYS NOSH...

  • Page 78: Bios Setup Options

    Appendix D Miscellaneous Series 61 BIOS Data The following information was gathered from the AMIBCP file for the Series 61 AMIBIOS. BIOS Setup Options Halt on error during POST: Initialize CMOS in Every Boot: Keyboard Controller Output Pin 23,24 Blocked: Mouse Support in BIOS/Keyboard Controller: In Case of POST Error, Wait for <F1>...

  • Page 79: Advanced Bios Features

    Miscellaneous BIOS Facts, Advanced BIOS Features Clock Switching through a special port: High/On value: I/O port 00E8h, Data = 02, Mask = FD Low/Off value: I/O port 00E8h, Data = 00, Mask = FD Super-Voyager LC Motherboard User's Guide Continued...
  • Page 80 Index 16-bit DMA Active Clock 54 8-bit AT Cycle Wait State 54 8042 - Gate A20 Failure 32 Above 1 MB Memory Test 50 Adapter Card 16-Bit Card Pinout 28 8-Bit Pinout 29 Auto Interleave Utility 57, 61 Base 64 KB Memory Failure 32 BBS vii BIOS Advanced Features 72...
  • Page 81 Continued Index, Hard Disk utilities 57 Error messages 63 When to use 58 Hard Drive 45 Heat Dissipation 67 Heat Sink for 50 MHz CPUs 2 Hidden refresh 14 I/O Port 80h 31 Installation Steps 9 Installing Adapter Cards 28, 29 Installing the Motherboard 18 Intel Upgradable Processor 17 Interleave factor 61...

  • Page 82: Section 2 Standard Cmos Setup

    Continued Index, POST Memory Test 36 Power Supply 20, 21 Cutting keys 20 Processor error 32 QEMM 69 Reset Button Connector 24 SCSI 59 Setup 37 Above 1 MB Memory Test 50 Auto Configuration 41 Auto Configuration, BIOS Defaults 41 Exiting 42 Floppy Drive Seek At Boot 51 Floppy Drives 48...

  • Page 83: Video Rom Shadow

    Continued Index, Turbo LED 26 Turbo Switch 26 U33 17 Unpacking the Motherboard 7 Upgradable Processor 17 VGA adapters 10 Video ROM Shadow C000,32K 52 Warning Message 41 Index...

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