American Megatrends Apollo User Manual
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American Megatrends Apollo User Manual

American Megatrends Apollo User Manual

American megatrends apollo motherboards: user guide
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Apollo
Pentium PCI ISA Motherboard
User's Guide
MAN-728
2/21/96

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Summary of Contents for American Megatrends Apollo

  • Page 1 Apollo Pentium PCI ISA Motherboard User's Guide MAN-728 2/21/96...

  • Page 2: Revision History

    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 on the motherboard warranty card. American Megatrends shall not be liable in tort or contract for any loss or damage, direct, incidental or consequential.

  • Page 3: Table Of Contents

    1 System Overview ... 1 System Description...2 Onboard I/O Support ...7 2 PCI Local Bus ...11 3 Installation...15 Apollo Motherboard Layout ...16 Step 1 Unpack the Motherboard ...17 Step 2 Set Jumpers...18 Step 3 Install Memory ...22 Step 4 Install the CPU ...26 Step 5 Install the Motherboard...28...
  • Page 4 This manual was written for the OEM to assist in the proper installation and operation of this motherboard. This manual describes the specifications and features of the Apollo motherboard. It explains how to assemble a system based on the Apollo motherboard and how to use the AMIBIOS that is specifically designed for this motherboard.

  • Page 5: Packing List

    Avoid contact with any component or connector on any adapter card, printed circuit board, or memory module. Handle these components by the mounting bracket. Packing List You should have received the following: an Apollo Pentium PCI ISA motherboard, several cables, a Warranty Card, and The American Megatrends Apollo Pentium PCI ISA Motherboard User's Guide. Preface...
  • Page 6 Apollo Motherboard User’s Guide...

  • Page 7: System Overview

    PCI IDE and onboard I/O. The Apollo Pentium PCI motherboard includes a low-voltage Intel Pentium® P54C CPU running at 100, 120, or 133 MHz. The Intel Triton chipset on the motherboard optimizes the PCI local bus interface, allowing the CPU to sustain the highest possible bandwidth at all times.

  • Page 8: System Description

    System Description CPU Type The Apollo Pentium PCI motherboard supports a 90, 100, 120, or 133 MHz Intel Pentium CPU in a single 320-pin ZIF socket. The Apollo Pentium PCI motherboard includes Socket 5 support. The CPU speed is selected through jumper settings.

  • Page 9: Cache Access Times

    The Apollo Pentium PCI motherboard has 128 bytes of nonvolatile CMOS RAM (NVRAM) to store system configuration information. Real Time Clock The Apollo motherboard has a real time clock and CMOS RAM powered by an onboard 3V Lithium battery. Important The battery on the motherboard can explode if improperly installed.

  • Page 10: Simm Types

    System Description, Continued Main System Memory The Apollo Pentium PCI motherboard supports up to 128 MB of DRAM system memory in two memory banks mounted directly on the motherboard. Memory parity generation and memory parity checking are not supported. With EDO (Extended Data Out) memory, 7-2-2-2 Burst Read page hit is supported. With standard memory, 7-3-3-3 Burst Read page hit is supported.

  • Page 11: System Bios

    System BIOS The Apollo Pentium PCI motherboard system BIOS is mounted on a 128 KB x 8 32-pin flash ROM DIP. Boot block BIOS code is installed on the flash ROM so the BIOS code can be upgraded easily. The AMIBIOS on the Apollo motherboard: supports the Plug and Play 1.0A specification,...

  • Page 12: Pci Local Bus

    Description, Continued I/O Capability The Apollo Pentium PCI ISA motherboard accesses 16- or 8-bit I/O devices on the ISA bus and 32-bit devices on the PCI local bus. PCI Local Bus The Apollo Pentium PCI motherboard has four PCI expansion slots..

  • Page 13: Onboard I/O Support

    Cycle Time (in nanoseconds) Onboard NS16550s The Apollo motherboard has two National Semiconductor NS16550 UARTs for serial port, which provide enhanced serial port features. Floppy Drive Support The motherboard supports up to two floppy drives (720 KB, 1.44 MB, and 2.88 MB 3½" drives and 1.2 MB 5¼"...

  • Page 14: I/O Address Space

    I/O Channel Check The motherboard supports the use of the I/O channel check to generate NMIs. I/O Address Space The Apollo Pentium PCI motherboard uses I/O addresses 0100h through 03FFh for ISA- compatible I/O. Seven DMA Channels The motherboard has seven DMA channels. Any DMA channel can be set for 8 or 16-bit DMA device sizes.

  • Page 15: Green Pc Features

    Green PC Features The American Megatrends Apollo Pentium PCI motherboard has been designed with the EPA Green PC specifications in mind. The Green PC features include: flash BIOS write protection, flash BIOS programming, SMI support, APM support, stop clock support, and Sleep Mode, which allows the system to go to a low power consumption mode of operation when the PC is idle.

  • Page 16: Screen Savers

    Green PC Implementation Disclaimers Green PC Responsibility The system integrator must be responsible for Green PC compliance. American Megatrends has simply supplied the means to meet the Green PC requirements and cannot be held responsible for final system assembly. Disabling Sleep Mode If a computer will be running an application that requires long periods of CPU activity with no input from the keyboard, mouse, COM1, or COM2, Sleep Mode should be disabled in WINBIOS Setup.

  • Page 17: Pci Local Bus

    PCI Local Bus The Apollo motherboard conforms to the PCI Version 2.0 specification. This motherboard has expansion slots for four PCI adapter cards. The PCI slots are automatically configured by the WINBIOS system BIOS. PCI is a specification for a local bus standard. The PCI specification also provides the electrical specifications for peripheral chip makers and the logic requirements for a PCI Controller.
  • Page 18 (master - 47; slave - 45), has address and data parity, and uses three physical address spaces: 32-bit memory, 32-bit I/O, and a 256 byte-per-agent configuration space. Apollo Motherboard User’s Guide Cont’d...

  • Page 19: Burst Mode

    The control mechanisms have been modified and extended to optimize I/O support. PCI Adapter Cards The Apollo Pentium PCI Pentium motherboard has four PCI expansion slots. The PCI expansion slots can accept any adapter card that complies with the PCI Revision 2.0 specification.
  • Page 20 Apollo Motherboard User’s Guide...

  • Page 21: Installation

    Installation Installation Steps The steps for assembling a system that uses the Apollo Pentium PCI motherboard are shown in the following table. Each step is discussed in detail in the following pages. Step Unpack the motherboard Set jumpers. Install memory...

  • Page 22: Apollo Motherboard Layout

    Apollo Motherboard Layout Apollo Motherboard User’s Guide...

  • Page 23: Step 1 Unpack The Motherboard

    Step 1 Unpack the Motherboard Step Inspect the cardboard carton for obvious damage. If damaged, call 770-246-8645. Leave the motherboard in its original packing. Perform all unpacking and installation procedures on a ground-connected anti-static mat. Wear an anti-static wristband grounded at the same point as the anti-static mat. Or use a sheet of conductive aluminum foil grounded through a 1 megohm resistor instead of the anti-static mat.

  • Page 24: Step 2 Set Jumpers

    Pins 1-2 or Pins 3-4, etc. Pin 1 is always identified by a “1” printed on the motherboard. Pins are numbered consecutively. Do not change any jumper settings that are not described in this manual. The Apollo motherboard has more jumpers than are described in this section. Changing undocumented jumpers may cause unpredictable results. Important Apollo Motherboard User’s Guide...

  • Page 25: J1 Caching Method

    Step 2 Set Jumpers, Continued Set all user-configurable jumpers and switches and install the CPU before placing the motherboard in the chassis. The jumpers are: Jumper J1 Caching Method J1 is a three-pin berg. Short pins 1-2 to select Write-Through caching, as shown below: Leave J1 OPEN to select Write-Back caching (this is the factory setting).

  • Page 26: J3 Cpu Pipeline Mode

    J3 CPU Pipeline Mode J3 is a two-pin single-inline berg. Short J3 to enable CPU pipeline mode (factory setting). Leave J3 OPEN to disable CPU pipeline mode. See the drawing on page 16 for the J3 location. Apollo Motherboard User’s Guide Cont’d...

  • Page 27: Default Settings

    Step 2 Set Jumpers, Continued JCP Memory Drain JCP is a two-pin single-inline berg. In normal operation, JCP is OPEN. Short pins 1-2 to drain all power CMOS RAM. Use this technique to remove a password that the user cannot remember. See the drawing on page 16 for the JCP location.

  • Page 28: Step 3 Install Memory

    Intel P54CQS A80502-120 Step 3 Install Memory The main memory subsystem on the Apollo Pentium PCI motherboard has four 32-bit SIMM (Single Inline Memory Module) memory sockets arranged in two memory banks. The motherboard supports 8 to 128 MB of onboard system memory. You can use:...

  • Page 29: Memory Configuration

    Step 3 Install Memory, Continued Memory Configuration The Apollo Pentium PCI motherboard supports the following onboard system memory configurations: Bank0 4 MB 4 MB 8 MB 8 MB 8 MB 8 MB 16 MB 16 MB 16 MB 16 MB...

  • Page 30: Simm Part Numbers

    MT9D25636M-7 Mitsubishi® MH26636BJ-7 Motorola® MCM36256S-70 Oki® MSC2320A-70YS9 PNY® P36256-70 Samsung® KMM536256B-7 Micron MT12D136M-7 Mitsubishi MH1M36ADJ-7 P361000-70 Motorola MCM36100AS-70 MSC2355-70YS12 Samsung KMM5361000AV-7 Micron MT12D436M-7 Mitsubishi MH4M36SAJ-7 Motorola MCM36400S-70 P364000-70 Samsung KMM5364100-7 Motorola MCM36800S-70 P368000-707 Samsung KMM5368100-7 Apollo Motherboard User’s Guide Cont’d...
  • Page 31 Continued Installing SIMMs There are four x 36 SIMM sockets located on the Apollo motherboard. These sockets can be filled with either 256 KB x 32 or 36, 1 MB x 32 or 36, 4 MB x 32 or 36, 8 MB x 32 or 36, or 16 MB x 32 or 36 SIMMs.

  • Page 32: Step 4 Install The Cpu

    Make sure you wear an antistatic wristband while installing the CPU. Follow all Step Lift the lever on the ZIF socket. The empty CPU socket looks like this. Warning antistatic procedures. Action Apollo Motherboard User’s Guide...
  • Page 33 Step Pin 1 of the socket has a white diagonal line across one corner on the motherboard, which corresponds to pin 1 of the CPU. Check for bent pins on the CPU. Gently straighten any bent pins with pliers. Place the CPU in the middle of the socket, as shown below.

  • Page 34: Step 5 Install The Motherboard

    If using metallic screws, make sure that you use them If using metallic screws, make sure that the head of the screw fits completely inside the plated mounting holes. Action Warning only in the plated mounting holes. See the graphic on the following page. Apollo Motherboard User’s Guide Cont’d...
  • Page 35 Step 5 Install Motherboard, Continued Chapter 3 Installation...

  • Page 36: Step 6 Connect The Power Supply

    The six-pin connector on the power cable with three red wires and two black wires is attached to CN1 Pins 7-12. The other connector on the end of the power cable is attached to CN1 pins 1-6. Apollo Motherboard User’s Guide Cont’d...

  • Page 37: Cn1 Pinout

    Step 6 Connect the Power Supply, Connector Keys The keys on the connector must be cut to fit on some power supplies, as shown below. CN1 Pinout Chapter 3 Installation Continued Description Power Good (Orange wire) (Not used) VCC (Red wire) +12 Volts (Yellow wire) -12 Volts (Blue wire) Ground (Black wire)

  • Page 38: Step 7 Connect The Keyboard Cable

    Step 7 Connect the Keyboard Cable The keyboard attaches via a standard six-pin DIN keyboard connector (CN2). Assignments Keyboard data Ground Keyboard clock Apollo Motherboard User’s Guide...

  • Page 39: Step 8 Connect The Mouse Cable

    Step 8 Connect the Mouse Cable Attach the mouse connector cable supplied by American Megatrends to the five-pin mouse berg connector on the motherboard, as shown below. Attach the standard 9-pin mouse connector at the other end of the mouse cable to the mouse connector port on the computer case.

  • Page 40: Step 9 Connect Cables

    Speaker cable to J13, Keyboard Lock Power LED cable to J14 IDE LED Activity Indicator LED cable to JP1. J11 CPU Fan J11is a three-pin berg that attaches to the CPU fan. Description Ground +12V Ground Apollo Motherboard User’s Guide Cont’d...

  • Page 41: J12 Reset

    Speaker Connector (J13) J13 is a four-pin single-inline berg that is optionally attached via a cable to a standard system speaker. AMIBIOS signals hardware problems through the speaker. Pin 1 on the motherboard is identified by the arrow on the white box around the berg. The Apollo Pentium PCI motherboard also has a built-in speaker mounted on the motherboard.
  • Page 42 LED mounted on the drive by changing a jumper or setting a switch on the IDE drive itself, before the IDE Description LED power LED power Ground Keyboard Lock Ground Warning drive sends a signal to this berg. Apollo Motherboard User’s Guide...

  • Page 43: Step 10 Connect Onboard I/O

    Conflicts AMIBIOS minimize conflicts between onboard and offboard I/O devices. AMIBIOS automatically checks the adapter cards installed in the expansion slots on the Apollo motherboard for a hard disk or floppy controller and serial or parallel ports. COM1 and COM2 These are 10-pin bergs that provide an AT-compatible serial port interface. The serial port pinouts are:...
  • Page 44 Step 10 Connect Onboard I/O, LPT1 The parallel port connector is a 26-pin berg. The pinout is shown below. Continued Signal Description STROBE# ACK# BUSY SLCT AUTOFD# ERROR# INIT# SLCTIN# Ground Ground Ground Ground Ground Ground Ground Ground Apollo Motherboard User’s Guide Cont’d...

  • Page 45: Step 11 Install Floppy Drive

    Step 11 Install Floppy Drive Floppy Connector The floppy drive connector is labeled FDD on the motherboard. It is a 34-pin dual-inline berg. Connect the cable from the floppy drive as shown below. The onboard floppy controller cannot be used if a hard disk adapter card with floppy controller is installed.
  • Page 46 -MOTOR1 -STEP -WDATA -WGATE -TRK0 -WRPROT -RDATA HDSEL DSKCHNG Floppy B to A Floppy B to A 12 to 14 14 to 12 13 to 13 15 to 11 Apollo Motherboard User’s Guide Floppy B to A 16 to 10...

  • Page 47: Step 12 Install Hard Disk

    Step 12 Install Hard Disk Attach IDE Cable This motherboard has two IDE (Integrated Drive Electronics) connectors. The primary connector (CN11) is labeled PRIMARY. The secondary connector (CN9) is labeled SECONDARY. Both the primary master and the primary slave IDE drives must be connected by cable as shown below. The IDE connectors are 40-pin dual-inline bergs.

  • Page 48: Secondary Ide Controller

    J10 is also shown on page 41. Signal Signal Description Description -RESET DATA7 DATA8 DATA6 DATA9 DATA5 DATA10 DATA4 DATA11 DATA3 DATA12 DATA2 DATA13 DATA1 DATA14 DATA0 DATA15 KEY (N/C) -IOW -IOR IDERDY INT14 -IOCS16 -CS0 -IDEACT Apollo Motherboard User’s Guide -CS1 Cont’d...

  • Page 49: Step 13 Install Adapter Cards

    The Secondary IDE connector pinout is: Step 13 Install Adapter Cards The Apollo Pentium PCI motherboard has four PCI expansion slots and four ISA expansion slots. PCI adapter cards are automatically configured by AMIBIOS. The ISA expansion slots provide full compatibility with all IBM XT and AT-compatible adapter cards.

  • Page 50: Step 14 Test And Configure

    Start the Test Plug everything in and turn on the switch. If there are any signs of a problem, turn off the unit immediately. Reinstall the connectors. Call American Megatrends Technical Support at 770-246-8645 if there are problems. BIOS Errors If the system operates normally, a display should appear on the monitor.

  • Page 51: Winbios Setup

    New BIOS Setup Utility American Megatrends has now made available a new type of system BIOS Setup utility. WINBIOS Setup has a graphical user interface that permits mouse access, and is so compact that it can reside on the same ROM as the system BIOS.

  • Page 52: Using The Keyboard With Winbios Setup

    Abort any window function. Return to the previous page Advance to the next page. Returns to the beginning of the text. Advance to the end of the text. Change to high speed Change to low speed. Apollo Motherboard User’s Guide...
  • Page 53 WINBIOS Setup The WINBIOS Setup main menu is organized into four sections. Each of these sections corresponds to a section in this chapter. Each section contains several icons. Clicking on each icon activates a specific AMIBIOS function. The WINBIOS Setup main windows and related functions are described on the next page. WINBIOS Setup Main Windows The WINBIOS Setup main windows are: Setup, described in Section 1 on page 48, this section has up to six icons that permit you to set system...

  • Page 54: Section 1 Setup

    51. If the drive parameters of your MFM drive do not match any drive type listed on page 51, select User in the Type field and enter the drive parameters on the screen that appears. Apollo Motherboard User’s Guide Cont’d...

  • Page 55: Ide Drives

    Standard Setup, Continued User-Defined Drive If you are configuring a SCSI drive or an MFM, RLL, ARLL, or ESDI drive with drive parameters that do not match drive types 1-46, you must select User in the Type field. You must then enter the drive parameters on the screen that appears.

  • Page 56: Pri Slave

    If you select 0-5 you must make absolutely certain that you are selecting the PIO mode supported by the IDE drive being configured. Configuring a CD-ROM Drive Select the appropriate drive icon (Pri Master, Pri Slave, Sec Master, or Sec Slave). Choose the Type parameter and select CDROM. Apollo Motherboard User’s Guide Cont’d...

  • Page 57: Hard Disk Drive Types

    Standard Setup, Continued Hard Disk Drive Types Type Cylinders 1024 1024 1024 1024 1024 1024 1224 Chapter 4 WINBIOS Setup Heads Write Landing Sectors Precompensation Zone 65535 65535 65535 65535 65535 65535 65535 65535 1023 65535 65535 65535 65535 1024 65535 1024 1024...

  • Page 58: Advanced Setup

    Set this option to Enabled to permit drives A: and B: to be swapped. The settings are Enabled or Disabled. The default settings are Disabled. Mouse Support When this option is set to Enabled, AMIBIOS supports a PS/2-type mouse. The settings are Enabled or Disabled. The default settings are Disabled. Apollo Motherboard User’s Guide Cont’d...

  • Page 59: External Cache

    Advanced Setup, Continued Password Check This option enables password checking every time the computer is powered on or every time WINBIOS Setup is executed. If Always is chosen, a user password prompt appears every time the computer is turned on. If Setup is chosen, the password prompt appears if WINBIOS is executed. See page 65 for instructions on changing a password.

  • Page 60: C000,16K Shadow

    Disabled The video ROM is not copied to RAM. The contents of the video ROM cannot be read from or written to cache memory. The default setting is Cache. Apollo Motherboard User’s Guide Cont’d...

  • Page 61: Chipset Setup

    Chipset Setup Memory Hole Use this option to specify an area in memory that cannot be addressed on the ISA bus. The settings are Disabled, 512-640K, or 15-16MB. The default setting is Disabled. DRAM Speed Specify the RAS access speed of the SIMMs installed in the motherboard as system memory. The settings are 60ns or 70 ns.

  • Page 62: Power Management Setup

    Hard Disk Power Down Mode This option specifies the power management state that the hard disk drive enters after the specified period of display inactivity has expired. The settings are Disabled, Standby, or Suspend. The default settings are Disabled. Apollo Motherboard User’s Guide Cont’d...

  • Page 63: Display Activity

    Power Management Setup, Hard Disk Timeout (Min) This option specifies the length of a period of hard disk inactivity. When this period expires, the hard disk drive enters the power-conserving mode specified in the Hard Disk Power Down Mode option described on the previous page.

  • Page 64: Power Management Setup

    AMIBIOS. When any activity occurs, the computer enters Full On mode. Each of these options can be set to Monitor or Ignore. The default setting for all options is Ignore. Continued Apollo Motherboard User’s Guide...

  • Page 65: Pci/Pnp Setup

    PCI/PnP Setup PCI/PnP Setup options are displayed by choosing the PCI/PnP Setup icon from the WINBIOS Setup main menu. All PCI/PnP Setup options are described in this section Plug and Play Aware OS Set this option to Yes if the operating system installed in the computer is Plug and Play-aware. Windows 95 is PnP-aware.

  • Page 66: Offboard Pci Ide Card

    IRQ9 IRQ10 IRQ11 IRQ12 IRQ14 IRQ15 These options specify the bus that the named interrupt request lines (IRQs) are used on. The settings are PCI/PnP or I The optimal and Fail-Safe default settings are PCI/PnP. Apollo Motherboard User’s Guide Cont’d...

  • Page 67: Reserved Memory Address

    PCI/PnP Setup, Continued Reserved Memory Size This option specifies the size of reserved memory area. The settings are Disabled, 16K, 32K, or 64K. The Optimal and Fail-Safe default settings are Disabled. Reserved Memory Address This option specifies the beginning address (in hex) of the reserved memory area. The settings are C0000, C4000, C8000, CC000, D0000, D4000, D8000, or DC000.

  • Page 68: Peripheral Setup

    Onboard Parallel Port This option enables the parallel port on the motherboard and specifies the parallel port base I/O port address. The settings are 378h, 278h, or Disabled. The Optimal default setting is 378h. The Fail-Safe default setting is Disabled. Apollo Motherboard User’s Guide Cont’d...

  • Page 69: Onboard Triton Ide

    Peripheral Setup, Continued Parallel Port Mode This option specifies the parallel port mode. ECP and EPP are both bidirectional data transfer schemes that adhere to the IEEE P1284 specifications. The settings are: Setting Normal The normal parallel port mode is used. This is the default setting. Bi-Dir Use this setting to support bidirectional transfers on the parallel port.

  • Page 70: Section 2 Utility

    Section 2 Utility The following icons appear in this section: Color Set sets the WINBIOS Setup screen colors. Language allows you to select English, German, or French language screen prompts and messages. Apollo Motherboard User’s Guide...

  • Page 71: Section 3 Security

    Section 3 Security AMIBIOS Password Support WINBIOS 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 WINBIOS Setup is executed. You can set either a Supervisor password or a User password.

  • Page 72: Changing A Password

    Remember the Password Keep a record of the new password when the password is changed. If you forget the password, remove the computer cover, set switch 1-2 (the DIAG switch) to ON, power on the computer. AMIBIOS will erase the password. Apollo Motherboard User’s Guide...

  • Page 73: Anti-Virus

    Anti-Virus When this icon is selected from the Security section of the WINBIOS Setup main menu, AMIBIOS issues a warning when any program (or virus) issues a Disk Format command or attempts to write to the boot sector of the hard disk drive. The settings are Enabled or Disabled. If enabled, the following appears when a write is attempted to the boot sector.

  • Page 74: Section 4 Default

    You can load the Fail-Safe WINBIOS Setup option settings by selecting the Fail-Safe icon from the Default section of the WINBIOS Setup main menu. The Fail-Safe settings provide far from optimal system performance, but are the most stable settings. Use this option as a diagnostic aid if the system is behaving erratically. Apollo Motherboard User’s Guide...

  • Page 75: Jumper Settings For Commonly-Used Cpus69

    Jumper Settings for Commonly-Used CPUs The Apollo motherboard supports several types of Intel Pentium CPUs. Jumpers JK1, JK2, JK3, JV, and J8 must be set for each CPU. The following drawings illustrate the jumper settings for some common CPUs. Chapter 5 Jumper Settings for Commonly-Used CPUs...
  • Page 76 Jumper Settings for Commonly-Used CPUs, Continued Apollo Motherboard User’s Guide...

  • Page 77: Upgrading Cache Memory

    Upgrading Cache Memory If your Apollo Pentium PCI ISA motherboard has 256 KB of secondary cache memory, you can upgrade to 512 KB of cache memory. See the following steps. Cache Type Use 3.3V SRAM in the cache memory sockets. The recommended 15 ns 3.3V 64 KB x 8 DIPs are:...
  • Page 78 Jumper Settings The jumpers that control secondary cache memory (JPW1, JPW2, JPW3, JPW4, J9, J10, and JC1 are shown below. These jumpers are near the CPU. The jumper settings for 256 KB mixed voltage, 256 KB 3.3V, and 512 KB 3.3V cache memory are shown below: Continued Apollo Motherboard User’s Guide Cont’d...
  • Page 79 Upgrading Cache Memory, 512 KB Jumper Settings Make sure that Pins 2-3 of JPW1, JPW2, JPW3, and JPW4 are shorted to select 3.3V SRAMs. Pins 2-3 of J9 should be shorted. Pins 1-2 of J10 should be shorted. Pins 2-3 of JC1 should be shorted. Reinstall Cover Reinstall the computer cover and turn system power on.
  • Page 80 Apollo Motherboard User’s Guide...

  • Page 81: Programming The Flash Rom

    Programming the Flash ROM All versions of the Apollo Pentium PCI motherboard use Flash EPROM to store the system BIOS. The advantage of Flash EPROM is that the EPROM chip does not have to be replaced to update the BIOS. The end user can actually reprogram the BIOS, using a ROM file supplied by American Megatrends..

  • Page 82: Flash Eprom

    S728P.ROM resides on a floppy disk and contains the updated main BIOS code. American Megatrends will provide this file when the AMIBIOS for the Apollo Pentium PCI ISA motherboard must be updated. S728P.ROM must be present in the root directory of the floppy disk before the onboard Flash EPROM can be reprogrammed.

  • Page 83: Beep Codes

    Programming the Flash ROM, Beep Codes The bootblock code produces a series of beeps during Flash ROM programming to: signify completion of a step (as shown on the previous page), or to signal an error. Error beeps are arranged in a coded sequence and have different meanings depending on when they occur. The error beep codes and when they can occur are: Number of Description...

  • Page 84: Bootblock Code Checkpoint Codes

    Disable the internal cache. Raise the Vpp. Enable Flash write and reset the Flash ROM. Detect the flash type. Start erasing flash blocks. Program the Flash ROM in the E0000-EFFFFh region. Start programming Flash at F0000-FFFFF region. Flash programming is successful. The computer reboots. Apollo Motherboard User’s Guide...

  • Page 85: Index

    Index —3— 3.3V Power, 6 —A— Advanced Power Management, 56 Advanced Setup, 52 AMIFlash Beep Codes, 77 Anti-Virus WINBIOS Setup, 67 —B— BBS, vi BIOS Password Support, 65 System, 5 BIOS Errors , 43 BootUp NumLock , 52 BootUp Sequence, 52 Burst Mode, 13 Bus Mastering PCI, 13...
  • Page 86 NS16550 UARTs, 7 NS16550s, 7 Number of Cylinders, 49 Number of Heads, 49 Number of Sectors, 49 —O— Offboard PCI IDE Card, 60 Offboard PCI IDE Primary IRQ, 60 Onboard Adapters, 36 Onboard FDC, 62 Onboard I/O, 7 Apollo Motherboard User’s Guide...
  • Page 87 Onboard Parallel Port, 62 Onboard Serial Port1 , 62 Onboard Serial Port2 , 62 Onboard Triton IDE, 63 Onboard VGA Interrupt Enable, 21 Optimal default settings WINBIOS Setup, 68 Original, 68 OS/2 Compatible Mode, 53 Overview, 1 —P— Packing List, vii Parallel Port, 37 Parallel Port DMA , 63 Parallel Port Mode , 63...

  • Page 88: Winbios Setup

    —U— Unpack the Motherboard, 17 Utility WINBIOS Setup, 64 —V— Video Power Down Mode, 56 —W— WINBIOS Setup, 45 Write Precompensation, 49 Apollo Motherboard User’s Guide...

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