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Megathon PCI Motherboard User’s Guide

iv

Preface

To the OEM

Thank you for purchasing the high performance American Megatrends
Megathon



AMD Athlon



PCI ISA motherboard. This product is a state of the

art motherboard that includes the famous AMIBIOS. It is assumed that you have
also licensed the rights to use the American Megatrends documentation for the
American Megatrends Megathon motherboard.

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 Megathon PCI motherboard. It explains how to assemble a system
based on the Megathon PCI motherboard and how to use the AMIBIOS that is
specifically designed for this motherboard.

This manual is not meant to be read by the computer owner who purchases a
computer with this 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.

Disclaimer

AMI certifies only that this product will work correctly when this

product is used with the same jumper settings, the same system

configuration, the same memory module parts, and the same

peripherals that were tested by AMI with this product. The complete

list of tested jumper settings, system configurations, peripheral

devices, and memory modules are documented in the AMI

Compatibility Report for this product. Call your AMI sales

representative for a copy of the Compatibility Report for this product.

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Содержание Megathon

Страница 1: ...Megathon AMD Athlon PCI ISA Motherboard User s Guide MAN 804 2 9 00 ...

Страница 2: ... be held liable for any loss expenses or damages of any kind whatsoever whether direct indirect incidental or consequential arising from the design or use of this product or the support materials provided with the product Trademarks AMD Athlon is a registered trademark of Advanced Micro Devices VESA is a registered trademark of the Video Electronics Standards Association MS DOS Microsoft Word and ...

Страница 3: ...Connect CPU Fan 13 Step 6 Connect System Case Fan 13 Step 7 Install the Motherboard 14 Step 8 Attach Cables 15 Step 9 Connect I O 20 Step 10 Install Drivers 27 Step 11 Test and Configure 28 2 AMIBIOS Setup 29 AMIBIOS Main Setup Menu 30 Advanced Setup 33 Security Setup 34 Exit Setup 37 3 Programming Flash ROM 39 Bootblock Code Checkpoint Codes 42 4 Deleting a Password 43 Avoid Static Electricity 44...

Страница 4: ...how to use the AMIBIOS that is specifically designed for this motherboard This manual is not meant to be read by the computer owner who purchases a computer with this 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 Disclaimer AMI certifies only that this pr...

Страница 5: ...the technical support department of the computer manufacturer or the unauthorized reseller AMI does not provide direct technical support in this case If an American Megatrends motherboard fails to operate as described or you are in doubt about a configuration option please call technical support at 770 246 8600 Web Site We invite you to access the American Megatrends world wide web site at http ww...

Страница 6: ...Megathon PCI Motherboard User s Guide vi ...

Страница 7: ...ne AMD Athlon CPU operating at 500 550 600 700 or 750 MHz up to 768 MB RAM available using three DIMMs up to 256 MB in each slot with support for SDRAM 66 100MHz one 32 bit AGP bus with a dedicated 66MHz 133MHz path from the graphics card to system memory support for 3D NOW technology system memory parity checking or ECC Error Checking and Correction AMD 751 system controller for the North Bridge ...

Страница 8: ... PCI slots are synchronous with the CPU clock CPU External Clock Frequency PCI Expansion Slot Frequency 100 MHz 33 MHz 200 MHz 33 MHz Onboard I O The Megathon AMD Athlon motherboard includes two 40 pin IDE connectors for 1 4 IDE drives a 34 pin floppy drive connector two serial bus connectors along with a connector J4 to connect USB devices a 25 pin parallel port connector a 6 pin keyboard DIN con...

Страница 9: ...Chapter 1 Hardware Installation 3 Megathon PCI Motherboard Layout ...

Страница 10: ...stall the motherboard memory jumpers and connectors Step Action 1 Unpack the motherboard 2 Clear CMOS RAM 3 Install memory 4 Install CPU 5 Connect CPU Fan 6 Connect System Case Fan 7 Install the motherboard 8 Attach cables 9 Connect I O input output 10 Install drivers 11 Test and configure ...

Страница 11: ... Place the motherboard on a grounded anti static surface component side up Save the original packing material 4 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 it has been damaged 5 If the motherboard is undamaged it is ready to be installed Set Jumpers Set all jumpers and install the CPU before placing t...

Страница 12: ... information Use the following procedure to clear the RTC data Step Action 1 Turn the computer off Set the jumper to CLEAR as shown below Put the black jumper cap over the jumper pins according to the required configuration 2 Clear Set the jumper back to NORMAL 3 Normal default 4 Turn the computer on 5 During bootup hold the Delete key down to enter BIOS setup where you can reset your preferences ...

Страница 13: ... PCI is 8 MB Each socket can hold one DIMM You can use 8 MB 168 pin 3 3V SDRAM 16 MB 168 pin 3 3V SDRAM 32 MB 168 pin 3 3V SDRAM 64 MB 168 pin 3 3V SDRAM 128 MB 168 pin 3 3V SDRAM or 256 MB 168 pin 3 3V SDRAM Memory Display System memory is reported by AMIBIOS as it boots and again when the AMIBIOS System Configuration Screen is displayed just before the operating system boots The memory displayed...

Страница 14: ...MB x 64 or 72 2 MB x 64 or 72 4 MB x 64 or 72 8 MB x 64 or 72 or 16 MB x 64 or 72 DIMMs Place the motherboard on an anti static mat With the component side of the DIMM facing you firmly push the DIMM into the socket at an angle then push it up When properly inserted the DIMM clicks into place as the latching pins engage The DIMM installation process is shown below ...

Страница 15: ...allation can damage the CPU and the motherboard You must follow the procedures in this section exactly as documented Make sure you wear an antistatic wristband while installing the CPU Follow all antistatic procedures described on page 5 Perform the following procedure to install the CPU Step Action 1 Locate the CPU slot for the AMD Athlon See page 3 to view the board layout 2 Open the two arms of...

Страница 16: ...e open Retention Mechanism Assembly and carefully slide it down until it is inserted in the CPU slot firmly 4 Pull the buttons outward until they click in the right position 5 Hook the heat sink top support to the heat sink support base to firmly hold the CPU module in place Cont d ...

Страница 17: ...tinued Install the Heat Sink If the heat sink is not already installed on the CPU module slide the heat sink top support into the lowest gap on the CPU module as shown below Then slide the CPU module into the Retention Mechanism Assembly as shown below Cont d ...

Страница 18: ...2 Step 4 Install CPU Continued Install the Heat Sink cont d Press the buttons on either side of the CPU module as shown below Hook the top support of the heat sink to the support base of the heat sink to complete the CPU module installation ...

Страница 19: ...PU fan J9 and J11 are keyed in such a way that the CPU connector can be attached only in the correct manner When the system is in sleep mode the CPU fan stops When the system returns to full on mode the fan starts again Step 6 Connect System Case Fan The system case fan connector is used with the cooling fan in your system case to lower the temperature in the system The system case fan connector i...

Страница 20: ...he motherboard component side up with the edge with the SIMM sockets toward you and the edge with the power supply connector away from you The keyboard mouse and video connectors should be to the left 4 Carefully slide the motherboard into the chassis Make certain the edge connectors fit the ports in the rear of the chassis The motherboard should rest level with the chassis 5 Place the mounting sc...

Страница 21: ...6 Drain CMOS RAM power J3 page 17 Keyboard connector page 17 PS 2 mouse connector page 17 USB connectors USB0 USB1 J4 page 18 Block connector on front panel page 18 Reset switch connector page 18 Power switch connector page 18 Power LED 2 pin connector page 18 Hard drive LED connector page 19 Sleep LED connector page 19 Sleep switch connector page 19 Speaker connector page 19 Parallel port connect...

Страница 22: ...assis Make sure the power switch is Off before assembly Before attaching all components make sure the proper voltage has been selected Power supplies often can run on a wide range of voltages and must be set usually via a switch to the proper range Use at least a 300 watt power supply which should have built in filters to suppress radiated emissions Attach the cables from the power supply to the p...

Страница 23: ...rd you can place a shorting bridge on this berg for a few seconds to erase the old password and all system configuration information as well You must then reboot the computer run AMIBIOS Setup and restore all system configuration information The settings are CMOS Drain JP Setting Normal operation factory setting 1 2 The contents of CMOS RAM are destroyed 2 3 Keyboard and Mouse Connector J24 The ke...

Страница 24: ...ctor contains the following components Reset Switch Connector This is a two pin berg that is attached via a cable to an externally mounted reset switch When the reset switch is pressed the system performs a hard reset Power Switch Connector This is a two pin berg that is attached via a cable to an externally mounted power switch Power LED Connector This is a two pin connector that attaches to a ca...

Страница 25: ... that connects to the hard disk LED mounted on the computer enclosure The LED indicates that the computer is in sleep mode Sleep Switch Connector This is a three pin connector that attaches to a cable that connects to the hard disk LED mounted on the computer enclosure The LED indicates data transfers Speaker Connector This is a four pin single inline berg that is optionally attached via a cable t...

Страница 26: ... IDE connector and secondary IDE connector and a floppy controller The serial and parallel port connectors are described below Conflicts AMIBIOS minimizes conflicts between onboard and offboard I O devices AMIBIOS automatically checks the adapter cards installed in the expansion slots on the Megathon PCI motherboard for a hard disk or floppy controller and serial or parallel ports Cont d ...

Страница 27: ... parallel port the ECP Extended Capabilities Port and the EPP Enhanced Parallel Port port All parallel port settings must be correctly configured through Peripheral Setup in AMIBIOS Setup Pin Signal Description Pin Signal Description 1 STROBE 2 PD0 3 PD1 4 PD2 5 PD3 6 PD4 7 PD5 8 PD6 9 PD7 10 ACK 11 BUSY 12 PE 13 SLCT 14 AUTOFD 15 ERROR 16 INIT 17 SLCTIN 18 Ground 19 Ground 20 Ground 21 Ground 22 ...

Страница 28: ...y controller cannot be used if a hard disk card with a floppy controller is installed Choose Standard Setup and Peripheral Setup to configure the floppy controller connector with two 34 pin edge connectors for attaching the floppy disk drives There is a small twist in the cable between the floppy connectors The last end connector should be connected to floppy drive A as shown below Cont d ...

Страница 29: ...NDEX 9 GND 10 MOTOR0 11 GND 12 FDSEL1 13 GND 14 FDSEL0 15 GND 16 MOTOR1 17 GND 18 DIR 19 GND 20 21 GND 22 WDATA 23 GND 24 WGATE 25 GND 26 TRK0 27 GND 28 WRPROT 29 GND 30 RDATA 31 GND 32 HDSEL 33 GND 34 DSKCHNG Twist in Floppy Cable Floppy B to A Floppy B to A Floppy B to A Floppy B to A 10 to 16 12 to 14 14 to 12 16 to 10 11 to 15 13 to 13 15 to 11 Cont d ...

Страница 30: ...hon PCI Motherboard User s Guide 24 Step 9 Connect I O Continued IDE Drives Attach the IDE drives in the following manner Choose Peripheral Setup in AMIBIOS Setup to enable the onboard IDE controller Cont d ...

Страница 31: ...J6 is a 40 pin dual inline berg that connects an IDE drive to the primary onboard IDE connector This motherboard supports IDE Modes 0 1 2 3 and 4 IDE prefetch LBA Logical Block Address mode high capacity drives over 528 MB 32 bit data transfer and fast IDE transfer These IDE features are configured in Peripheral Setup in the AMIBIOS Setup utility Disable the onboard IDE interface in Peripheral Set...

Страница 32: ...n Use 1 RESET 2 GND 3 DATA7 4 DATA8 5 DATA6 6 DATA9 7 DATA5 8 DATA10 9 DATA4 10 DATA11 11 DATA3 12 DATA12 13 DATA2 14 DATA13 15 DATA1 16 DATA14 17 DATA0 18 DATA15 19 GND 20 KEY N C 21 REQ 22 GND 23 IOW 24 GND 25 IOR 26 GND 27 IDERDY 28 Pulldown 29 ACK 30 GND 31 INT14 32 N C 33 HA1 34 N C 35 HA0 36 HA2 37 CS0 38 CS1 39 IDEACT 40 GND Cont d ...

Страница 33: ...ET 2 GND 3 DATA7 4 DATA8 5 DATA6 6 DATA9 7 DATA5 8 DATA10 9 DATA4 10 DATA11 11 DATA3 12 DATA12 13 DATA2 14 DATA13 15 DATA1 16 DATA14 17 DATA0 18 DATA15 19 GND 20 KEY N C 21 REQ 22 GND 23 IOW 24 GND 25 IOR 26 GND 27 IDERDY 28 Pulldown 29 ACK 30 GND 31 INT15 32 N C 33 HA1 34 N C 35 HA0 36 HA2 37 CS2 38 CS3 39 N C 40 GND Install Adapter Cards You can install any PCI adapter cards at this time Step 10...

Страница 34: ... Support if there are problems BIOS Errors If the system operates normally a display should appear on the monitor The BIOS Power On Self Test POST should execute If POST does not run successfully it will beep or display error messages Beeps indicate a serious problem with the system configuration or hardware The Beep Code indicates the problem AMIBIOS Beep Codes are defined in the AMIBIOS Technica...

Страница 35: ...s configured with the values stored in CMOS RAM by the system BIOS which gains control when the computer is powered on The system parameters are configured by a system BIOS Setup utility Historically BIOS Setup utilities have been character based required keyboard input and have had user interfaces that were not very intuitive The BIOS chips acts as an interface between the processor and the rest ...

Страница 36: ...Auto Auto Detect Hard Disks Enter Boot Sector Virus Protection Disabled Setup Help Previous Item Next Item Select Menu Esc Exit Enter Select F5 Setup Defaults F6 Original Values F10 Save Exit Date Time Highlight Date or Time using the arrow keys Enter new values through the keyboard Press the Tab key or the arrow keys to move between fields The date must be entered in MM DD YYYY format The time is...

Страница 37: ...cally on each boot Select Auto to let AMIBIOS determine the parameters Click on OK when AMIBIOS displays the drive parameters You can also change these parameters if you do not think AMIBIOS detected the drive parameters correctly or if you want to enable an enhanced IDE feature You can modify these parameters as follows Select LBA Large Mode Select On if the drive has a capacity greater than 540 ...

Страница 38: ... protection AMIBIOS displays 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 If enabled the following appears when a write is attempted to the boot sector You may have to type N several times to prevent the boot sector write Boot Sector Write Possible VIRUS Continue Y N _ The following appears after any attempt to form...

Страница 39: ...section describes each of the Advanced Setup options AMIBIOS SETUP STANDARD CMOS SETUP C 1998 American Megatrends Inc All Rights Reserved Main Advanced Security Exit Advanced CMOS Setup Enter Advanced Chipset Setup Enter Power Management Setup Enter Plug and Play Setup Enter Peripheral Setup Enter Change Language Setting English Setup Help Advanced CMOS setup for configuring system options Previou...

Страница 40: ...reen displays as shown below AMIBIOS SETUP STANDARD CMOS SETUP C 1998 American Megatrends Inc All Rights Reserved Main Advanced Security Exit Set Supervisor Password Enter Set User Password Enter Setup Help Change the supervisor password Previous Item Next Item Select Menu Esc Exit Enter Select F5 Setup Defaults F6 Original Values F10 Save Exit Cont d ...

Страница 41: ...ced Setup see the Advanced Setup section by choosing either Always the password prompt appears every time the system is powered on or Setup the password prompt appears only when AMIBIOS Setup is executed The password is encrypted and stored in NVRAM If you select password support you are prompted for a 1 6 character password Type the password on the keyboard The password does not appear on the scr...

Страница 42: ...red in NVRAM after AMIBIOS completes The next time the system boots a password prompt appears if the Password Check option is set to Always Set User Password Select Change User Password from the AMIBIOS Setup main menu The password prompt displays Type the password and press Enter The screen does not display the characters entered Retype the password as prompted and press Enter If the password con...

Страница 43: ...Enter Load Fail Safe Settings Enter Load Original Values Enter Setup Help Write the current settings to CMOS and exit Previous Item Next Item Select Menu Esc Exit Enter Select F5 Setup Defaults F6 Original Values F10 Save Exit Exit Saving Changes When you have completed the system configuration changes choose this option to leave AMIBIOS Setup and to reboot the computer so the new system configura...

Страница 44: ... experiencing system configuration problems Load Fail Safe Settings AMIBIOS will automatically set all AMIBIOS Setup options to a complete set of default settings when you choose this option The Fail Safe settings are designed for maximum system stability but not maximum performance Choose the Fail Safe AMIBIOS Setup options if your computer is experiencing system configuration problems Load Origi...

Страница 45: ...omes on It may take 10 seconds or more before this light turns on Since Megathon uses a 2 megabit BIOS the flashing process may take up to 3 minutes 4 Release the Ctrl and Home keys AMIBIOS issues a series of beep codes that indicate that the system BIOS ROM file is being updated 5 When the flash ROM has successfully been programmed the computer will reboot 6 When the computer reboots check the BI...

Страница 46: ... not programmed Should you inadvertently open the disk drive door or turn power off to the computer while programming the Flash EPROM the bootblock will be unaffected Simply turn power back on and begin the Flash ROM programming process again S804P ROM S804P ROM resides on a floppy disk and contains the updated main BIOS code American Megatrends will provide this file when the AMIBIOS for the Mega...

Страница 47: ...beep codes and when they can occur are Number of Beeps Description 1 Insert diskette in floppy drive A 2 The S804P ROM file was not found in the root directory of the diskette in floppy drive A 3 Base memory error 4 Flash program successful 5 Floppy read error 6 Keyboard controller BAT command failed 7 No Flash EPROM detected 8 Floppy controller failure 9 Boot Block BIOS checksum error 10 Flash er...

Страница 48: ...ipset if any E9h Program the CPU clock dependent chip set parameters EAh Enable the timer and the floppy diskette interrupt Enable the internal cache Copy the boot block BIOS and pass control to the boot block BIOS in the 0000h segment EDh Initialize the floppy drive EEh Look for a diskette in drive A Read the first sector of the diskette EFh Floppy read error F0h Search for S804P ROM in the root ...

Страница 49: ...sure you are properly grounded before performing the following procedure You must be certain that no electrostatic discharge ESD occurs ESD can ruin your motherboard Wear an antistatic wristband attached to a ground See Avoid Static Electricity on the following page Step Action 1 Turn the computer power off and remove the computer cover 2 Place a shorting bridge on J3 2 3 CLEAR CMOS option 3 Turn ...

Страница 50: ...erboard in the anti static bag until it is to be installed Wear an anti static wrist grounding strap before handling the motherboard Make sure you stand on an anti static mat when handling the motherboard Avoid contact with any component or connector on any adapter card printed circuit board or memory module Handle these components by the mounting bracket ...

Страница 51: ...because they will be the hottest motherboard components Temperature specifications vary with the CPU frequency Frequency Heat Sink Airflow over CPU Airflow over other component s Temperature Range All frequencies YES 200 feet per minute Not critical 0 through 50 C ambient You must make sure that there is adequate air flow over the CPU inside the case Humidity The recommended humidity range for ope...

Страница 52: ...Megathon PCI Motherboard User s Guide 46 ...

Страница 53: ...Power Switch 18 Reset Switch 18 Sleep LED Switch 19 Sleep Switch 19 Speaker 19 CPU Fan 13 D Date Time 30 Deleting a Password 43 DIMMs Installing 8 Drivers Installing 27 E Enhanced Parallel Port 21 Exit Discarding Changes 37 Exit Saving Changes 37 Exit Setup 37 Extended Capabilities Port 21 F Figures Floppy drive cable 22 Floppy drive connector 22 Flash ROM Programming 39 Floppy Disk Connector Pino...

Страница 54: ... 43 Password Support Levels of 35 PCI Bus Speed 2 Pinout Parallel Port 21 Primary IDE connector 26 Pinouts Reset Switch 18 Power LED Connector 18 Power Supply 16 Connecting 16 Power Switch Connector 18 Primary IDE Master Primary IDE Slave Secondary IDE Master Secondary IDE Slave 31 R Reporting Memory 7 Reset Switch Connector 18 Resource conflicts 20 Retention Mechanism Kit 10 S S804P ROM 40 S804P ...

Страница 55: ...Index 49 ...

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