American Megatrends Baby EISA User Manual
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American Megatrends Baby EISA User Manual

American Megatrends Baby EISA User Manual

American megatrends baby eisa motherboards: user guide
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American Megatrends, Inc.
Series 64
Baby EISA
80486 EISA Motherboard
User's Guide
MAN-664
3/15/93

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Summary of Contents for American Megatrends Baby EISA

  • Page 1 American Megatrends, Inc. Series 64 Baby EISA 80486 EISA Motherboard User's Guide MAN-664 3/15/93...
  • Page 2 American Megatrend's discretion according to the terms and conditions on the Baby EISA motherboard warranty card. American Megatrends shall not be liable in tort or contract for any loss or damage, direct, incidental or consequential. Please see the Warranty Registration Card shipped with this product for full warranty details.

  • Page 3: Table Of Contents

    Above 1 MB Memory Test ... 51 Memory Test Tick Sound ... 51 Hit <DEL> Message Display ... 52 System Boot Up Num Lock ... 53 Floppy Drive Seek At Boot ... 53 American Megatrends 80486 Baby EISA Motherboard User's Guide...
  • Page 4 Table of Contents, Continued Chapter 4 AMIBIOS Setup , cont'd System Boot Up Sequence ... 53 Fast Gate A20 ... 54 Password Check Option ... 55 Boot Sector Virus Protection ... 56 Section 4 ADVANCED CHIPSET SETUP ... 57 Hidden Refresh ... 57 Non-Cache Size - Block 0 ...
  • Page 5 Technical Support If an Baby EISA motherboard fails to operate as described or you are in doubt about a configuration option, please call technical support at 404-246-8600. Acknowledgments This manual was written by Robert Cheng and Paul Narushoff.
  • Page 6 • a Series 64 Baby EISA Motherboard, • a floppy disk with the AMIECU and EISA CFG file, • the American Megatrends Series 64 Baby EISA Motherboard User's Guide, • the American Megatrends ECU Version 2.00 User's Guide. Preface Characteristics Supports HST and v.42.

  • Page 7: Chapter 1 System Overview

    Chapter 1 System Overview Dimensions The American Megatrends Series 64 Baby EISA is an EISA (Extended Industry Standard Architecture) motherboard. It is approximately 8.6 inches wide by 13 inches long (approximately the size of a standard Baby AT motherboard with similar mounting hole locations). The following graphic illustrates the dimensions of the Baby EISA motherboard and identifies the height restrictions.
  • Page 8 Intel Overdrive replacement processors can also be used. Heat Sink All Baby EISA motherboards with a 50 or 66 MHz 80486DX, 80486DX2, or Overdrive processor are equipped with a heat sink to help dissipate the additional heat. Processor Speed All Baby EISA motherboards have two clock speeds: high or low.
  • Page 9 The Baby EISA motherboard supports up to 128 MB of DRAM onboard system memory using eight 16 MB x 9 SIMMs. The Baby EISA motherboard has two banks (with four sockets each) of SIMM sockets. Up to 4 GB of system memory is supported on the EISA bus.
  • Page 10 EISA AMIBIOS at memory location E0000h – FFFFFh. BIOS The Baby EISA motherboard has a 128 KB EISA AMIBIOS at E0000h – FFFFFh with built-in AMIBIOS Setup, hard disk drive diagnostics, and user- definable hard disk drive types. AMIBIOS allows you to bypass error messages for missing video, keyboard, or floppy drives for file servers.
  • Page 11 The American Megatrends EISA Configuration Utility (ECU) is shipped with the motherboard. Real Time Clock The Baby EISA motherboard has a real time clock and CMOS RAM with built- in battery backup. The battery is on the CMOS/Real Time Clock chip. Performance Upgrade Socket The Baby EISA motherboard has an Intel Performance Upgrade Socket for an optional 80487SX numeric coprocessor or Intel Overdrive processor.
  • Page 12 Description, Continued Seven DMA Channels The Baby EISA motherboard has seven DMA channels. Any DMA channel may be programmed for 8, 16, or 32-bit DMA device size and ISA compatible, type A, type B, or burst modes. Fifteen Interrupt Levels The motherboard has 15 hardware interrupt levels.
  • Page 13 The motherboard accesses 32-, 16-, 8-bit memory and I/O devices on the EISA bus. EISA Bus The EISA Bus in the Baby EISA motherboard has a system clock that is generated by the EISA bus clock (BCLK) and operates at approximately 8.33 MHz.
  • Page 14 Description, Continued I/O Address Space The Baby EISA motherboard uses I/O addresses x100h through x3FFh for ISA compatible I/O (x does not affect mapping location — 0100h, 1100h, 2100h, and 3100h map to the same location). It also uses the following EISA I/O port addresses: s000h –...

  • Page 15: Chapter 2 Installation

    Inspect the motherboard for damage. Press down on all ICs mounted in sockets to verify proper seating. Do not apply power to the motherboard if damaged. If the motherboard is undamaged, it is ready to be installed. American Megatrends 80486 Baby EISA Motherboard User's Guide Action...
  • Page 16 Chapter 2 Installation...
  • Page 17 American Megatrends 80486 Baby EISA Motherboard User's Guide...
  • Page 18 Chapter 2 Installation...

  • Page 19: Installation Steps

    (CGA). This switch has no effect if an EGA or VGA adapter is installed. SW is in the same end of the motherboard as the CPU but in the opposite corner. See the figure on page 15. American Megatrends 80486 Baby EISA Motherboard User's Guide Action Set switch and jumper options...
  • Page 20 Step 1 Set Switch and Jumper Options, All jumpers are located on the half of the motherboard that includes the CPU. Refer to the figure on the next page for the exact placement of the jumpers. Selecting the Frequency Jumper 2x or 1x CLK Select Flush or Burst Write Speed Input to EBC...
  • Page 21 2 are shorted together, EXRDY drives CHRDY. See the figure below for the location of J29. Jumper Reference All jumpers are located on the half of the Baby EISA motherboard — where the CPU and empty Upgrade Processor socket are located. American Megatrends 80486 Baby EISA Motherboard User's Guide...

  • Page 22: Step 2 Install Memory

    Step 2 Install Memory The main memory subsystem on the Baby EISA motherboard consists of two 32-bit memory banks of four SIMM sockets each. Both banks house SIMMs (Single In-line Memory Module) DRAM packages. Use 1 MB x 9, 4 MB x 9, or 16 MB x 9 SIMMs.
  • Page 23 See the following figure. Memory Configuration The Baby EISA motherboard checks the memory banks and automatically configures the amount of memory installed in the SIMM sockets. There are no user definable jumper or switch settings for configuring memory. The following table shows the possible system memory configurations.

  • Page 24: Step 3 Install Upgrade Processor

    Step 3 Install Upgrade Processor Next to the CPU on the Baby EISA motherboard is an empty Intel Math Coprocessor and Upgrade Processor Socket. An 80487SX math coprocessor can only be installed if the CPU is an Intel 80486SX. Check for bent pins on the math coprocessor or Overdrive Upgrade Processor.

  • Page 25: Step 4 Install The Motherboard

    Step 4 Install the Motherboard A Baby AT size mounting hole pattern is used on the Baby EISA motherboard. Standoffs and mounting screws are not supplied with the motherboard. The following graphic shows the motherboard mounting holes and the table describes the installation.

  • Page 26: Step 5 Connect The Power Supply

    Step 5 Connect the Power Supply The power supply should match the physical configuration of the chassis. Make sure that the power switch is Off before assembly. Make sure that the proper voltage is selected. Power supplies often run on a wide range of voltages, but must be set (usually with a switch) to the proper range.
  • Page 27 PS3 and the connector with an Orange wire on Pin 1 is connected to PS2. PS1 connects to the extra power line in larger power supplie. American Megatrends 80486 Baby EISA Motherboard User's Guide Continued...
  • Page 28 Step 5 Connect the Power Supply, Continued Power Supply Connectors are Keyed The connectors should be keyed to prevent connecting the plugs to the wrong connectors. The keys on the connector must be cut to fit on some power supplies. The following figure illustrates the keys that must be cut.
  • Page 29 Step 5 Connect the Power Supply, PS3 Pinout PS2 Pinout PS1 Pinout American Megatrends 80486 Baby EISA Motherboard User's Guide Continued Description Power Good (Orange wire) VCC (Red wire) +12 Volts (Yellow wire) -12 Volts (Blue wire) Ground (Black wire)

  • Page 30: Step 6 Connect The Keyboard Cable

    Step 6 Connect the Keyboard Cable The keyboard connector is a five-pin DIN socket labeled KEYBRD and J1 on the motherboard. It attaches to the keyboard cable of a standard AT- compatible keyboard. The location of the keyboard connector and the J1 pinout follow.

  • Page 31: Step 7 Connect The Mouse

    You can optionally connect a PS/2-type mouse to the 10-pin header J2 on the motherboard using a customized serial cable. You can order the mouse cable by calling the American Megatrends Sales Department at 404-263- 8181. The part name is Cable Assembly DB9, Male, 10-pin. The part number is CBLSUB1-10.

  • Page 32: Step 8 Connect Cables

    Step 7 Connect the Mouse, DB9 Connector Pinout The pinout for the DB9 connector on the cable is shown below. Step 8 Connect Cables When attaching connectors to the motherboard, make sure to attach the correct end. Most connector wires are color-coded. Match the color of the wires leaving the switch or LED to the same pin on the connector end.
  • Page 33 J22 is a four-pin single-inline berg that attaches via a cable to the audio speaker. AMIBIOS signals hardware problems through the speaker. See the figure on the previous page for the J22 location. American Megatrends 80486 Baby EISA Motherboard User's Guide Continued Description...

  • Page 34: Step 9 Install Adapter Cards

    Step 9 Install Adapter Cards The 80486 Baby EISA motherboard has eight EISA expansion slots. See the figure on page 10 for the location of the expansion slots. The slots are numbered SLOT1 through SLOT8 and can accept 8- or 16-bit ISA (XT- or AT- compatible) or 16- or 32-bit adapter cards.
  • Page 35 When installing EISA adapter cards, make sure that they snap in twice and are fully seated into the EISA slot. If the card makes contact only with the upper row of contacts, it cannot function properly. American Megatrends 80486 Baby EISA Motherboard User's Guide...
  • Page 36 8-Bit ISA Expansion Slot Pinout Chapter 2 Installation 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 RSTDRV IRQ9 DREQ2 OWS- SMEMW-...
  • Page 37 Rows A, B, C, and D are upper (ISA) contacts. Rows E, F, G, and H are lower (EISA) contacts. The following table lists the pinouts for Rows F, B, E, and A. American Megatrends 80486 Baby EISA Motherboard User's Guide Continued SBHE-...
  • Page 38 Step 9 Install Adapter Cards, EISA Slot Pinout, cont'd Row F 1 GND 2 + 5 volts 3 + 5 volts 4 xxxxxx 5 xxxxxx 6 Access Key 7 xxxxxx 8 xxxxxx 9 + 12 volts 10 M-IO 11 LOCK# 12 Reserved 13 GND 14 Reserved...

  • Page 39: Step 10 Test And Configure

    RF emissions. American Megatrends 80486 Baby EISA Motherboard User's Guide Continued Row H...
  • Page 40 Run the American Megatrends EISA Configuration Utility (ECU) to properly configure the system. The ECU and the appropriate motherboard .CFG and .OVR files are shipped on a floppy disk with all Baby EISA motherboards. See the American Megatrends EISA Configuration Utility (ECU) User's Guide for complete ECU operating instructions.

  • Page 41: Chapter 3 Bios Power-On Self Test

    American Megatrends 80486 Baby EISA Motherboard User's Guide then... a series of beeps sound. Beep codes indicate that a fatal error occurred. AMIBIOS Beep Codes are described on the next page.

  • Page 42: Beep Codes

    Beep Codes Errors may occur during POST. Fatal errors are signaled by beeps (listed below) and do not allow the system to continue. All errors except Beep Code 8 are fatal. If POST initializes the system video monitor, errors can be displayed on the screen. Displayed errors (see page 37) allow the system to continue.

  • Page 43: Amibios Displayed Error Messages

    DMA #1 Error DMA #2 Error FDD Controller Failure HDD Controller Failure American Megatrends 80486 Baby EISA Motherboard User's Guide Explanation Gate A20 on the keyboard controller (8042) is not working. Replace the 8042. Error in the address decoding circuitry on the motherboard.
  • Page 44 AMIBIOS Displayed Error Messages, Error Message INTR #1 Error INTR #2 Error Invalid Boot Diskette Keyboard Is Locked...Unlock It Keyboard Error KB/Interface Error No ROM BASIC Off Board Parity Error Onboard Parity Error Parity Error ???? Chapter 3 AMIBIOS POST Continued Explanation controller.

  • Page 45: Eisa Error Messages

    Software Port NMI Inoperational ISA BIOS NMI Messages EISA BIOS NMI Error Messages American Megatrends 80486 Baby EISA Motherboard User's Guide Explanation The Checksum for EISA Extended CMOS is bad or was never written. The battery may be bad. Run the ECU.

  • Page 46: Bios Configuration Summary Screen

    This screen may not appear exactly like this, since the display depends on the memory, cache, and shadowing options enabled in AMIBIOS Setup. AMIBIOS System Configuration (C) Copyright 1985-1992 American Megatrends Main Processor Numeric Coprocessor Floppy Drive A:...

  • Page 47: Chapter 4 Amibios Setup

    Enable Cache Memory External cache memory can be enabled by pressing <Ctrl><Alt><Shift><+> or disabled by pressing <Ctrl><Alt><Shift><->. The OEM can modify these keystroke combinations via AMIBCP. The above values are merely the default settings. American Megatrends 80486 Baby EISA Motherboard User's Guide...

  • Page 48: Amibios Setup

    AMIBIOS Setup AMIBIOS Setup for the Baby EISA motherboard has three parts: · STANDARD CMOS SETUP, · ADVANCED CMOS SETUP, and · ADVANCED CHIPSET SETUP. STANDARD CMOS SETUP STANDARD CMOS SETUP permits the end user to configure system components such as floppy drives, hard disk drives, time and date, monitor type, and keyboard.

  • Page 49: Section 1 Running Amibios Setup

    Power-On defaults. See page 45 for more information on default settings. Starting AMIBIOS Setup When POST completes, the following appears: Hit <DEL> if you want to run SETUP Press <Del> to run AMIBIOS Setup. American Megatrends 80486 Baby EISA Motherboard User's Guide...

  • Page 50: Amibios Setup Key Use

    AMIBIOS Setup Key Use Note: The default value for <F5>, <F6>, and <F7> is always N. To execute these options, change the N to Y and press <Enter>. Chapter 4 AMIBIOS Setup Keystroke <Esc> Returns to previous screen. , , , Move the cursor from one option to the next.

  • Page 51: Amibios Setup Main Menu

    If CMOS RAM is corrupted, the BIOS defaults are automatically loaded. To use the BIOS defaults, highlight this option, type Y and press <Enter>. The following appears: Default values loaded. Press any key to continue. American Megatrends 80486 Baby EISA Motherboard User's Guide...

  • Page 52: Auto Configuration With Power-On Defaults

    Auto Configuration With Power-On Defaults This option configures the default Power-On values. Power-On default values do not optimize system performance but are the most stable values. Use this option as a diagnostic aid if the system is behaving erratically. Highlight this option, type Y and press <Enter> to use the Power-On defaults.

  • Page 53: Section 2 Standard Cmos Setup

    4:30 PM as 16:30:00). Move the cursor to the Time field via American Megatrends 80486 Baby EISA Motherboard User's Guide and set the Date and Day by and set the time by pressing <PgUp> and <PgDn>.

  • Page 54: Hard Disk Configuration

    STANDARD CMOS SETUP Options, Hard Disk C: Hard Disk D: Move the cursor to these fields via type by pressing <PgUp> and <PgDn>. The settings are 1 – 47 (the hard disk drive type) or Not Installed. Choose the hard disk drive type from the table on the previous page that matches the parameters of the drive in the system.

  • Page 55: Hard Disk Drive Types

    STANDARD CMOS SETUP Options, Hard Disk Drive Types Type Cylinders 1024 1024 1024 1024 1024 1024 1224 American Megatrends 80486 Baby EISA Motherboard User's Guide Continued Heads Write Landing Precompensation Zone 65535 65535 65535 65535 65535 65535 65535 65535 1023...

  • Page 56: Monitor

    STANDARD CMOS SETUP Options, Floppy Drive A: Floppy Drive B: Move the cursor to these fields via type by pressing <PgUp> and <PgDn>. The options are 360 KB 5¼ inch, 1.2 MB 5¼ inch, 720 KB 3½ inch, 1.44 MB 3½ inch, 2.88 MB 3½ inch, or Not Installed.

  • Page 57: Section 3 Advanced Cmos Setup

    Warning Message A warning message is displayed when ADVANCED CMOS SETUP is selected. Press any key to continue. American Megatrends 80486 Baby EISA Motherboard User's Guide : Enabled • • Password Checking Option : Setup •...

  • Page 58: Typematic Rate Programming

    ADVANCED CMOS SETUP Options Typematic Rate Programming, Typematic Rate, and Typematic Rate Delay Typematic Rate Programming enables or disables the following two options. The BIOS Setup option is Enabled. The Power-On default is Disabled. Typematic Rate Delay (250, 500, 750, or 1,000 milliseconds) and Typematic Rate (6, 8, 10, 12, 14, 15, 20, 24, or 30 characters per second) control the speed at which a keystroke is repeated.

  • Page 59: Hit Message Display

    639K or 511K, depending on how much base memory the system has. Type 47 data is stored in shadow RAM if shadowing is enabled. The Setup and Power-On default is 0:300h. American Megatrends 80486 Baby EISA Motherboard User's Guide...

  • Page 60: System Boot Up Num Lock

    ADVANCED CMOS SETUP Options, Continued Wait for <F1> If Any Error The settings are Enabled or Disabled. If enabled, the BIOS waits until the end user presses <F1> before continuing after an error message. If disabled, the BIOS continues after the error message. The BIOS Setup and Power-On default is Enabled.

  • Page 61: Fast Gate A20

    Turbo Switch Function The settings are Enabled or Disabled. This option enables the hardware turbo switch, which permits the user to change system speeds. The BIOS Setup and Power-On default is Enabled. American Megatrends 80486 Baby EISA Motherboard User's Guide...

  • Page 62: Password Check Option

    ADVANCED CMOS SETUP Options, Continued Password Check Option This option enables the password check option every time the system boots or the end user runs AMIBIOS Setup. Always displays a user password prompt appears when the system is turned on. Setup displays the password prompt only if AMIBIOS Setup is run.

  • Page 63: Boot Sector Virus Protection

    Setup and Power-On defaults are Disabled. You must be reasonably certain that the no application will write to the cached system BIOS or video BIOS memory areas before you choose Video, Main, or Both. American Megatrends 80486 Baby EISA Motherboard User's Guide Continued...
  • Page 64 Chapter 4 AMIBIOS Setup...

  • Page 65: Section 4 Advanced Chipset Setup

    DRAM is accessed during refresh. The settings are AT-Style or Hidden. The BIOS Setup and Power-on defaults are AT-Style. American Megatrends 80486 Baby EISA Motherboard User's Guide • • •...

  • Page 66: Non-Cache Size - Block 0

    ADVANCED CHIPSET SETUP Options, Continued Non-Cache Size - Block 0 Non-Cache Size - Block 1 Non-Cache Size - Block 2 This option defines the size of a memory area that contains data and/or code that is not cached. The settings are 64 KB, 128 KB, 256 KB, 512 KB, or Disabled.

  • Page 67: Bclk Stretch

    A higher number allows the CPU to continue running a little longer before it is placed in HOLD. The settings are 0 through 1F. The BIOS Setup and Power-On defaults are 0. American Megatrends 80486 Baby EISA Motherboard User's Guide...

  • Page 68: Fast Keyboard Reset

    ADVANCED CHIPSET SETUP Options, Continued Fast Keyboard Reset The settings are Slow (the BIOS waits for a HALT instruction after a keyboard reset command) or Fast (it does not wait). The BIOS Setup and Power-On defaults are Slow. Chapter 4 AMIBIOS Setup...

  • Page 69: Section 5 Amibios Password Support

    <Esc> to return to the AMIBIOS Setup Main Menu. If You Do Not Want to Use a Password Just press <Enter> when the password prompt appears. American Megatrends 80486 Baby EISA Motherboard User's Guide Enter CURRENT Password:...
  • Page 70 AMIBIOS Password Support, Continued Password Storage The password is stored in CMOS RAM after AMIBIOS Setup completes. The next time the system boots, the end user is prompted for the password if the password function is present and is enabled. Using a Password The end user must enter the new password when the password prompt appears and then press <Enter>.

  • Page 71: Section 6 Hard Disk Utility

    They do not work on IDE or SCSI Disk Drives. Warning AMIBIOS Hard Disk Utilities destroy all hard disk data. Back up the data on the hard disk before running this utility. American Megatrends 80486 Baby EISA Motherboard User's Guide Purpose Turn to Page 67...

  • Page 72: When To Use Amibios Hard Disk Utilities

    When to Use AMIBIOS Hard Disk Utilities When Installing a new hard disk. Installing a new hard disk. Installing a new hard disk. Installing a new hard disk. Installing a used hard disk drive. When Hard Disk Diagnostics is selected, the following screen appears. Select an option and press <Enter>.

  • Page 73: Hard Disk Format Utility

    Select Media Analysis to find bad tracks. The following screen appears when Hard Disk Format is selected. American Megatrends 80486 Baby EISA Motherboard User's Guide Warning...
  • Page 74 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.

  • Page 75: Auto Interleave Utility

    Bad Tracks Edit Menu, press <Esc>. Type Y and press <Enter> to proceed with the Auto Interleave process. A warning screen appears. Press <Enter> to return to the main Hard Disk Utility screen. To proceed, type Y and press <Enter>. American Megatrends 80486 Baby EISA Motherboard User's Guide Warning...
  • Page 76 Media Analysis Utility Media Analysis 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. Since this test writes to all cylinders and heads on the hard disk to verify any bad tracks, the test requires several minutes to complete.

  • Page 77: Hard Disk Utility Error Messages

    The controller may not be seated properly. C: (D:) Hard Disk The hard disk drive (C: or D:) is not responding to Failure commands. Check power and cable connections to the hard disk. American Megatrends 80486 Baby EISA Motherboard User's Guide Explanation...
  • Page 78 Hard Disk Utility Error Messages, Operation Errors Chapter 4 AMIBIOS Setup Continued Message Address Mark Not The address mark (initial address) on the hard disk Found could not be found. Attachment Failed to No response from the hard disk drive. Respond Bad ECC on Disk When the hard disk drive utility writes to the disk, it...

  • Page 79: Appendix A Temperature And Power

    Frequency 20 or 25 MHz 33 MHz 50 MHz Humidity The recommended humidity range for operation of the American Megatrends Baby EISA motherboard is 20% to 80% non-condensing. American Megatrends 80486 Baby EISA Motherboard User's Guide Heat Airflow over Airflow over...

  • Page 80: Power Specifications

    The total maximum power consumption is 40 Amps at +5V with a 220 Watt power supply. Power Source Three power connectors (PS1, PS2, and PS3) are provided on the Baby EISA motherboard. These connectors provide seven +5V connects. Each is rated at approximately 5 Amps. The total maximum power consumption for all three connectors is approximately 35 Amps.

  • Page 81: Appendix B Eisa Configuration Worksheets

    Complete a worksheet for each EISA adapter card in the system to simplify the EISA configuration process. These worksheets are helpful used in conjunction with the American Megatrends EISA Configuration Utility (ECU) when configuring an EISA system with many EISA adapter cards.
  • Page 82 EISA Slot 1 Card Description: __________________________________________ Manufacturer: __________________________________________ EISA Master: ___ Yes ___ 16-bit ISA Master: ___ Yes ___ 8-bit Memory Description Space is provided below for configuration information for two memory banks. Some EISA adapter cards have up to eight memory banks. Duplicate this sheet if there are more than two memory banks.
  • Page 83 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ12 Switch and Jumper Settings ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ American Megatrends 80486 Baby EISA Motherboard User's Guide ___ IRQ11 ___ IRQ14 ___ IRQ15 ___ No ___ IRQ11 ___ IRQ14 ___ IRQ15...
  • Page 84 EISA Slot 2 Card Description: __________________________________________ Manufacturer: __________________________________________ EISA Master: ___ Yes ___ 16-bit ISA Master: ___ Yes ___ 8-bit Memory Description Space is provided below for configuration information for two memory banks. Some EISA adapter cards have up to eight memory banks. Duplicate this sheet if there are more than two memory banks.
  • Page 85 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ12 Switch and Jumper Settings ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ American Megatrends 80486 Baby EISA Motherboard User's Guide ___ IRQ11 ___ IRQ14 ___ IRQ15 ___ No ___ IRQ11 ___ IRQ14 ___ IRQ15...
  • Page 86 EISA Slot 3 Card Description: __________________________________________ Manufacturer: __________________________________________ EISA Master: ___ Yes ___ 16-bit ISA Master: ___ Yes ___ 8-bit Memory Description Space is provided below for configuration information for two memory banks. Some EISA adapter cards have up to eight memory banks. Duplicate this sheet if there are more than two memory banks.
  • Page 87 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ12 Switch and Jumper Settings ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ American Megatrends 80486 Baby EISA Motherboard User's Guide ___ IRQ11 ___ IRQ14 ___ IRQ15 ___ No ___ IRQ11 ___ IRQ14 ___ IRQ15...
  • Page 88 EISA Slot 4 Card Description: __________________________________________ Manufacturer: __________________________________________ EISA Master: ___ Yes ___ 16-bit ISA Master: ___ Yes ___ 8-bit Memory Description Space is provided below for configuration information for two memory banks. Some EISA adapter cards have up to eight memory banks. Duplicate this sheet if there are more than two memory banks.
  • Page 89 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ12 Switch and Jumper Settings ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ American Megatrends 80486 Baby EISA Motherboard User's Guide ___ IRQ11 ___ IRQ14 ___ IRQ15 ___ No ___ IRQ11 ___ IRQ14 ___ IRQ15...
  • Page 90 EISA Slot 5 Card Description: __________________________________________ Manufacturer: __________________________________________ EISA Master: ___ Yes ___ 16-bit ISA Master: ___ Yes ___ 8-bit Memory Description Space is provided below for configuration information for two memory banks. Some EISA adapter cards have up to eight memory banks. Duplicate this sheet if there are more than two memory banks.
  • Page 91 ___ IRQ3 ___ IRQ5 ___ IRQ7 ___ IRQ10 ___ IRQ12 Switch and Jumper Settings _________________________________________________________ _________________________________________________________ _________________________________________________________ American Megatrends 80486 Baby EISA Motherboard User's Guide ___ IRQ4 ___ IRQ6 ___ IRQ9 ___ IRQ11 ___ IRQ14 ___ IRQ15 ___ IRQ4 ___ IRQ6...
  • Page 92 EISA Slot 6 Card Description: __________________________________________ Manufacturer: __________________________________________ EISA Master: ___ Yes ___ 16-bit ISA Master: ___ Yes ___ 8-bit Memory Description Space is provided below for configuration information for two memory banks. Some EISA adapter cards have up to eight memory banks. Duplicate this sheet if there are more than two memory banks.
  • Page 93 ___ IRQ3 ___ IRQ5 ___ IRQ7 ___ IRQ10 ___ IRQ12 Switch and Jumper Settings _________________________________________________________ _________________________________________________________ _________________________________________________________ American Megatrends 80486 Baby EISA Motherboard User's Guide ___ IRQ4 ___ IRQ6 ___ IRQ9 ___ IRQ11 ___ IRQ14 ___ IRQ15 ___ IRQ4 ___ IRQ6...
  • Page 94 EISA Slot 7 Card Description: __________________________________________ Manufacturer: __________________________________________ EISA Master: ___ Yes ___ 16-bit ISA Master: ___ Yes ___ 8-bit Memory Description Space is provided below for configuration information for two memory banks. Some EISA adapter cards have up to eight memory banks. Duplicate this sheet if there are more than two memory banks.
  • Page 95 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ12 Switch and Jumper Settings ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ American Megatrends 80486 Baby EISA Motherboard User's Guide ___ IRQ11 ___ IRQ14 ___ IRQ15 ___ No ___ IRQ11 ___ IRQ14 ___ IRQ15...
  • Page 96 EISA Slot 8 Card Description: __________________________________________ Manufacturer: __________________________________________ EISA Master: ___ Yes ___ 16-bit ISA Master: ___ Yes ___ 8-bit Memory Description Space is provided below for configuration information for two memory banks. Some EISA adapter cards have up to eight memory banks. Duplicate this sheet if there are more than two memory banks.
  • Page 97 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ12 Switch and Jumper Settings ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ American Megatrends 80486 Baby EISA Motherboard User's Guide ___ IRQ11 ___ IRQ14 ___ IRQ15 ___ No ___ IRQ11 ___ IRQ14 ___ IRQ15...
  • Page 98 Appendix B EISA Configuration Worksheets...

  • Page 99: Index

    Setting the size 13 Cacheable Region 58 Cacheable ROM Area 56 CMOS Display Type Mismatch 35 CMOS Shutdown Register Read/Write Error 34 CMOS System Options Not Set 35 Configuring System 31, 32 American Megatrends 80486 Baby EISA Motherboard User's Guide...
  • Page 100 Index, Continued Connectors J1 Keyboard 22 J2 Mouse 23 J22 Speaker 25 J31 Reset Switch 25 Power Supply 21 Coprocessors Installing 16 CPU Time-Slice Priority 59 CPU Type Setting the 12 EGA Adapters 11 EISA Adapter Card Pinout 29, 31 EISA Configuration Utility 5 EISA Configuration Worksheets 73 EISA Expansion Slots 26, 28, 29...
  • Page 101 Mark Bad Tracks 67 Media Analysis Utility 63, 68 Memory Installation 14 Memory Configuration 15 Memory Test Tick Sound 51 Monitor 48 Motherboard Installing 17 Motherboard Layout 10 Mouse Support Option 51 NMI 6 American Megatrends 80486 Baby EISA Motherboard User's Guide...
  • Page 102 Index, Continued NMI Pin Select 12 Non-Cache Size - Block 0 58 Non-Cache Size - Block 1 58 Non-Cache Size - Block 2 58 Non-Cache Start - Block 1 58 Non-Cache Start - Block 2 58 Non-Fatal Error Messages 35 Password Changing a Password 61 Check Option 55...
  • Page 103 Hard Disk 46 Keyboard 48 Monitor 48 Time 45 SW1 11 Switch and Jumper Options 11-13 Switches SW1 11 Synchronous BCLK Select 12 System Boot Up CPU Speed. 53 System ROM Shadow F000,64K 56 American Megatrends 80486 Baby EISA Motherboard User's Guide...
  • Page 104 Index, Continued Tables 16-Bit Expansion Slot Pinout 29 8-Bit Expansion Slot Pinout 28 80486 Operating Temperature Ranges 71 AMIBIOS Setup Keys 42 BBS Phone Numbers vii BIOS Beep Codes 34 BIOS error reporting 33 BIOS System Configuration Screen 38 Diagnosing Beep Codes 34 EISA Error Messages 37 EISA Pinout 30 Error Messages 35...

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