Micronics M54Pe User Manual

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M54Pe PCI/EISA
Dual Pentium Processor
System Board Manual
Document Number: 06-00210-05, Rev. 1B
221 Warren Ave., Fremont, CA 94539-7085
November 1995
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Copyright Notices
Micronics Computers, Inc.
Micronics reserves the right to make improvements to this document and/or product at any time and without notice.
All Rights Reserved. No part of this document may be photocopied, repro­duced, translated, or reduced to any medium or machine form without prior, written consent from Micronics.
COPYRIGHT (C) 1994, 1995 Micronics Computers, Inc.
P ortions of the Manual
Portions of this manual were copied (with permission) from Phoenix Tech­nologies, Ltd. and Micro Computer Systems, Inc. All rights reserved.
Trademarks
IBM is a registered trademark of International Business Machines. Microsoft, Microsoft Word, Windows are registered trademarks of Microsoft Corporation. Intel and PCI are registered trademarks of Intel Corporation. UNIX is a registered trademark of AT&T Corporation. Lotus 1-2-3 is a registered trademark of Lotus Development Corp. MCS is a trademark of Micro Computer Systems. All other product names mentioned herein are used for identification purposes only and may be the trademarks of their respective companies.
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Micronics Quick Installation

We know that many experienced people prefer to read as little of the docu­mentation as possible. If this sounds like you, here’s the short form:
1. Make backup copies of your installation and configuration diskettes.
2. Ground yourself to prevent damaging static discharge, then remove the M54Pe from its packaging.
3. Configure and verify the system board’s jumper settings. (See Jumper Settings in Chapter 2)
4. Install the CPU and the system memory (Chapter 3).
5. Install the motherboard into the system case and make all necessary case connections.
6. Install any ISA, PCI, and EISA add-on peripherals (Chapter 3).
7. Turn the computer on and press the <F2> key when you see the screen below:
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8. Set the time and date. Adjust the BIOS settings to match your configuration. If installing an IDE drive, select the IDE device you wish to configure. Press <Enter> with Autotype Fixed Disk selected and the BIOS will automatically configure the drive for you. (See Chapter 4)
9. After you have configured the Main Setup menu, make any desired setting configurations in the Advanced and Security menu. When finished, go to the exit screen, select “Save Changes and Exit,” and you are finished with the BIOS configuration (Chapter 4).
10. Insert the MCS EISA Configuration Utility into Drive A or Drive B and type:
a:cf <Enter>
or
b:cf <Enter>
Follow the directions to install the necessary drivers for your EISA peripherals (Chapter 5).
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Contents

Introduction........................................................................ 1-1
Features..................................................................................... 1-2
Software Compatibility ............................................................. 1-2
Configuring the M54Pe...................................................... 2-1
Static Electricity........................................................................ 2-1
Office Environment................................................................... 2-1
M54Pe Components.................................................................. 2-2
Jumper Settings......................................................................... 2-3
Installing the M54Pe, System Memory, CPUs and
Peripherals......................................................................... 3-1
Installation of the M54Pe.......................................................... 3-2
Tools Required ....................................................................................... 3-2
Equipment Required .............................................................................. 3-2
System Memory ........................................................................ 3-3
SIMMs Supported .................................................................................. 3-3
Upgrading Rules .................................................................................... 3-3
Common Memory Configurations ......................................................... 3-4
Installing the SIMMs ............................................................................. 3-5
Removing SIMMs .................................................................................. 3-5
Installing a CPU ........................................................................ 3-6
Installing Cache Memory .......................................................... 3-7
Installing a PCI Peripheral Card................................................ 3-8
Installing an EISA Peripheral Card ........................................... 3-9
Installing a Plug & Play Peripheral Card................................. 3-10
The BIOS Setup Utility....................................................... 4-1
Configuration ............................................................................ 4-1
Initial Boot Up .......................................................................... 4-1
Setup ......................................................................................... 4-2
Running the Setup Procedure ................................................... 4-3
Setting the Main Screen............................................................ 4-3
System Time and Date ........................................................................... 4-3
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Diskette A or B....................................................................................... 4-4
IDE Devices (Hard Disk Setup) ............................................................. 4-4
Video System.......................................................................................... 4-5
Video BIOS Shadow .............................................................................. 4-5
System Memory...................................................................................... 4-5
Extended Memory .................................................................................. 4-5
Cache State............................................................................................. 4-5
Setting the Advanced Screen .................................................... 4-6
Boot Options .......................................................................................... 4-6
Integrated Peripherals ............................................................................ 4-8
Plug and Play O/S .................................................................................. 4-9
Security Screen....................................................................................... 4-9
Supervisor Password is .......................................................................... 4-9
User Password is .................................................................................. 4-10
Set Supervisor Password ...................................................................... 4-10
Set User Password ................................................................................ 4-10
Password on Boot ..................................................................................4-11
Diskette Access .....................................................................................4-11
Fixed Disk Boot Sector .........................................................................4-11
Exit Screen.............................................................................. 4-12
EISA Utility ......................................................................... 5-1
Introduction .............................................................................. 5-1
When Should You Run the EISA Utility?................................. 5-1
What You Will Need ................................................................. 5-1
Starting the Utility..................................................................... 5-2
Main Menu................................................................................ 5-3
Step 1: Important EISA Configuration Information ................ 5-3
Step 2: Add or Remove Boards............................................... 5-4
Step 3: View or Edit Details .................................................... 5-6
Advanced Submenu ............................................................................... 5-6
Step 4: Examine Switches or Print Report ............................... 5-8
Examine Switches .................................................................................. 5-8
Print Report ............................................................................................ 5-8
Step 5: Save and Exit............................................................... 5-8
POST Messages................................................................ A-1
Beep and POST Codes..................................................... B-1
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Hard Disk Drive T ypes ...................................................... C-1
Specifications ................................................................... D-1
Environmental Specifications....................................................D-2
Temperature Range ................................................................................ D-2
Relative Humidity ..................................................................................D-2
Battery Disposal........................................................................D-3
FCC W arning Statement ........................................................... F-1
Glossary ....................................................................................G-1
Limited W arranty ..................................................................... W-1
Non-W arranty Service..............................................................W-2
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List of Figures
Figure 2-1: M54Pe System Board................................................................ 2-2
Figure 3-1: Installing a 72-Pin SIMM......................................................... 3-5
Figure 3-2: Upgrading the External Cache ................................................. 3-7
Figure 3-3: Installing a PCI Card ................................................................ 3-8
Figure 3-4: Installing an EISA Card ........................................................... 3-9
Figure 3-5: Installing a Plug & Play Card................................................. 3-10
Figure 4-1: Power-Up Screen....................................................................... 4-2
Figure 4-2: CMOS Main Screen .................................................................. 4-3
Figure 4-3: IDE Device Submenu................................................................ 4-4
Figure 4-4: Advanced Setup Screen ............................................................ 4-6
Figure 4-5: Boot Options Submenu ............................................................. 4-7
Figure 4-6: Integrated Peripherals Submenu............................................... 4-8
Figure 4-7: Security Setup Screen ............................................................... 4-9
Figure 4-8: Supervisor Password Screen ................................................... 4-10
Figure 4-9: Exit Screen .............................................................................. 4-12
Figure 5-1: EISA Configuration Introduction Screen ................................. 5-2
Figure 5-2: Configuration Main Menu ........................................................ 5-3
Figure 5-3: Add or Remove Boards Screen ................................................. 5-4
Figure 5-4: Adding an EISA Configuration (CFG) File ............................. 5-5
Figure 5-5: View or Edit Details Menu ....................................................... 5-6
Figure 5-6: Advanced Submenu .................................................................. 5-7
List of Tables
Table 2-1: Cache Type Selection.................................................................. 2-3
Table 2-2: Host CPU Speed Selection.......................................................... 2-3
Table 2-3: Cache Size Selection................................................................... 2-3
Table 2-4: PCI IDE Hard Disk IRQ14 Selection......................................... 2-3
Table 2-5: Secondary IDE Controller IRQ Selection .................................. 2-4
Table 2-6: Video Selection ........................................................................... 2-4
Table 2-7: Reserved Jumpers ....................................................................... 2-4
Table 2-8: Peripheral and Case Connections............................................... 2-5
Table 3-1: Common Memory Configurations.............................................. 3-4
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Introduction
1
Congratulations for choosing the Micronics M54Pe! The M54Pe is a high-performance system board designed to be a foundation for advanced systems and applications.
The M54Pe is a dual Pentium processor board and is the most powerful Intel-based product on the market. You can operate the M54Pe with a single Pentium processor or add a second matching processor for increased performance.
The M54Pe comes with many built in features. These include on board support for four IDE hard drives, two floppy drives, a bi-directional parallel port, and two high speed serial ports.
Micronics builds all products to exacting standards, using the highest quality components available. We are proud to provide this system board and hope it brings you years of reliable service.
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Micronics M54Pe System Board Manual

Features

The M54Pe includes the following features:
m Dual Pentium processor support for 90MHz or 100MHz processors. m Two 32-bit PCI slots, five EISA slots, and one shared (PCI or EISA) slot. m L2 Write-back cache support (256K or 512K). m Intel 82430 Neptune chipset. m Support for up to 512MB of on-board system memory. m PCI Mode 3 IDE controller (supports two drives). m Secondary ISA IDE controller (supports two drives). m Floppy controller for two floppy drives (Supports 2.88MB, 1.44MB,
1.2MB, 720KB, and 360KB floppy drives).
m Two high speed NS16550 compatible serial ports. m Bi-directional parallel port that is EPP and ECP compatible (see
Specifications). m Upgradeable Flash Phoenix BIOS.
Software Compatibility
The M54Pe system board has been thoroughly tested for compatibility with a variety of operating systems and environments, including:
m Windows and Windows NT m OS/2 version 2.11 & SMP m SCO UNIX and Open Desktop m Novell Netware m MS-DOS m PC-DOS m NeXTStep 3.2
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Configuring the M54Pe
2
Although the M54Pe system board is packaged in protective materials, it is important to use care while unpacking and setting up.
Static Electricity
The M54Pe is shipped from the factory in an antistatic bag. To reduce the possibility of damage, it is important to neutralize any accumulated static charges on your body before handling the board. The best way to do this is to ground yourself using a special wrist or ankle strap. If you do not have a strap, you should touch both of your hands to a safely grounded object. After you have grounded yourself, ground the M54Pe via the solder pads surrounding one of its mounting holes.
Once the M54Pe is removed from its packaging, place it on top of the antistatic bag. Carefully inspect the board for damage which may have occurred during shipment.
Office Environment
Make sure the finished computer system is in an area with good ventilation. The system should not be in direct sunlight, near heaters, or exposed to moisture, dust, or dirt.
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M54Pe Components
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Figure 2-1 M54Pe System Board
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Jumper Settings

Jumper Settings
Table 2-1 lists the jumper settings to select between write-back and write­through cache.
Jumper Function Setting
W1 write-through
write-back (default)
Table 2-1 Cache Type Selection
Table 2-2 lists the jumper settings to select the speed of the CPU.
close open
100MHz
66MHz
Jumper
CPU Speed
Bus Speed
75MHz 50MHz
90MHz 60MHz
(default)
W6 2-3 1-2 2-3 W40 close open open
Table 2-2 Host CPU Speed Sel ection
Table 2-3 lists the jumper settings to select the size of the external cache.
Jumper
W5 W10
Cache
256K 1-2 1-2
512K (default) 2-3 2-3
Table 2-3 Cache Size Select ion
Table 2-4 lists the jumper settings to set the PCI IDE hard disk controller for IRQ14. Leave this set to IRQ14 unless you are using a SCSI controller and need to free up an unnecessary IRQ, or if you want to use the ISA IDE controller as the primary IDE controller.
Jumper Function Setting
W28 IRQ14 (default)
disable
Table 2-4 PCI IDE Hard Disk IRQ14 Selection
close open
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Table 2-5 lists the jumper settings to set the secondary IDE controller for IRQ14, IRQ15, or Disabled. If you set this for IRQ14, you must disable the PCI IDE controller (Table 2-4).
Jumper Function Setting
W25 IRQ 14
IRQ15 (default) disable
Table 2-5 Secondary IDE Con troller IRQ Selection
1-2 2-3
none
Table 2-6 lists the jumper settings to select the type of video installed.
Jumper Function Setting
W20 color
monocrome
Table 2-6 Video Selecti on
close open
Table 2-7 lists jumpers with factory reserved settings. Do not reconfigure these jumpers.
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Jumper Function Setting
W2 Reserved open W11 Reserved close W16 Reserved 1-2 W17 Reserved close W21 AT Version
PS/2 Version
open
close W22 Reserved none W23 Reserved none W27 Reserved open W30 Reserved open W41 Reserved close
Table 2-7 Reserved Jumpers
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Jumper Settings
Table 2-8 lists the jumper settings for case and peripheral connections.
Jumper Function Notes
J14 PCI IDE Connector Primary J13 ISA IDE Connector Secondary J10 Floppy Connector
J9 Parallel Port Connector Can be disabled at the
CMOS configuration screen.
J11 Serial Port (Com1) Can be disabled at the
CMOS configuration screen.
J12 Serial Port (Com 2) Can be disabled at the
CMOS configuration screen.
J5 AT Keyboard
J6 & J8 PS/2 Mouse and Keybd. PS/2 Version only
W19 Ext. Keyboard 1- Clock(Keybd), 2-Data,
3-N/C, 4-Ground, 5-VCC
J1 & J2 Power Supply Connector
J26 Optional Power Supply
Connector
For specially equipped
power supplies W24 or W38 Hard Disk LED 1-+5V DC, 2-Ground W13 or W32 Reset W15 or W34 Turbo Switch W14 or W33 Turbo LED 1-+5V DC, 2-Ground W18 or W37 Keylock/Power LED 1-Power; 2-N/C; 3-Ground;
4-Keyboard Lock; 5-Ground W12 or W31 Speaker Connector 1-Spea ker; 2-N/C;
3-Ground; 4-5V DC
W35 12V Fan Connector 1-+12V DC, 2-Ground W36 12V Fan Connector 1-+12V DC, 2-Ground
J25 Reserved Not Supported
Table 2-8 Peripheral and Case Connections
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Installing the M54Pe , System
3
Memory, CPUs and Peripherals
This section explains how to install the M54Pe system board, SIMMs, CPUs, and peripherals.
Warning: Before installing or removing any peripherals or components, make sure you have a clear work space and that you adhere to all anti­static precautions described on page 2-1. Micronics recommends only trained technicians operate on the system board. Damage which occurs to the board while adding or removing peripherals or compo­nents may void the warranty.
If problems arise while installing peripherals, contact the computer outlet where you purchased the peripheral or Micronics’ Technical Support Department.
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Installation of the M54Pe
The installation of the M54Pe system board depends on the type of case you use. The M54Pe is a Standard AT motherboard and is likely to be limited to tower cases.
If you are unfamiliar with installing a system board, Micronics highly recommends you read the computer user’s manual or contact your dealer’s technical support department.
Tools Required
Micronics recommends using the following tools to install the M54Pe:
m Small Phillips screwdriver.
m Tweezers or a pair of needle-nose pliers.
m Tray (to hold loose screws).
Equipment Required
Micronics recommends using the following equipment with the M54Pe for a typical configuration:
m Chassis with standard hardware (tower case preferable).
m A high quality power supply capable of providing continuous power
within a 5 volt range, plus or minus 5% (eg. 4.75 to 5.25). A power filter may be used with a noisy AC power source.
m PS/2 or compatible keyboard (depends on model).
m AT-compatible keyboard (depends on model).
m Eight ohm speaker.
m Standard ribbon cables for internal connections.
m Standard power cord (grounded).
m Heat sink with cooling fan for each CPU (required).
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Installing System Memory and Add-On Peripherals

System Memory

System memory devices, commonly known as SIMMs (Single Inline Memory Modules), are necessary to operate the M54Pe system board. The M54Pe has eight SIMM sockets and can be upgraded to 512 Megabytes of RAM. This section will explain the type of SIMMs supported, list the rules of adding memory to the M54Pe, give some examples of common memory configura­tions, and show how to physically install the new SIMMs.

SIMMs Supported

The M54Pe supports the following 72 pin, 60 or 70ns SIMMs:
4MB (1Mx36) 8MB (2Mx36) 16MB (4Mx36) 32MB (8Mx36) 64MB (16Mx36)

Upgrading Rules

The following is a list of rules to follow when upgrading SIMMs. If you follow these rules, your upgrade should be trouble-free:
m Use 70ns or faster SIMMs.
m Upgrade SIMMs one bank at a time. Each bank must contain two
SIMMs of the same size and preferably from the same manufacturer. For example, to add 16MB of memory to the system board, install two 8MB SIMMs into the same bank.
m When installing SIMMs, start with bank 0 and work your way up
(0,1,2,3).
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Common Memory Configurations
The following table (Figure 3-1) lists the most common memory configura­tions. The M54Pe will accept any combination of SIMMs as long as the rules in the previous section are followed.
Memory Bank 0 Bank 1 Bank 2 Bank 3
8MB (2) 1Mx36 16MB (2) 1Mx36 (2) 1Mx36 16MB (2) 2Mx36 24MB (2) 1Mx36 (2) 1Mx36 (2) 1Mx36 24MB (2) 2Mx36 (2) 1Mx36 32MB (2) 4Mx36 32MB (2) 2Mx36 (2) 2Mx36 32MB (2) 1Mx36 (2) 1Mx36 (2) 1Mx36 (2) 1Mx36 48MB (2) 2Mx36 (2) 2Mx36 (2) 2Mx36 64MB (2) 8Mx36 64MB (2) 4Mx36 (2) 4Mx36 64MB (2) 2Mx36 (2) 2Mx36 (2) 2Mx36 (2) 2Mx36 64MB (2) 4Mx36 (2) 2Mx36 (2) 2Mx36 72MB (2) 8Mx36 (2) 1Mx36 80MB (2) 8Mx36 (2) 2Mx36 80MB (2) 4Mx36 (2) 4Mx36 (2) 1Mx36 (2) 1Mx36 96MB (2) 4Mx36 (2) 4Mx36 (2) 4Mx36 96MB (2) 8Mx36 (2) 2Mx36 (2) 2Mx36
104MB (2) 8Mx36 (2) 2Mx36 (2) 2Mx36 (2) 1Mx36 104MB (2) 4Mx36 (2) 4Mx36 (2) 4Mx36 (2) 1Mx36 128MB (2) 16Mx36 128MB (2) 8Mx36 (2) 8Mx36 128MB (2) 4Mx36 (2) 4Mx36 (2) 4Mx36 (2) 4Mx36 192MB (2) 8Mx36 (2) 8Mx36 (2) 8Mx36 256MB (2) 16Mx36 (2) 16Mx36 256MB (2) 8Mx36 (2) 8Mx36 (2) 8Mx36 (2) 8Mx36 384MB (2) 16Mx36 (2) 16Mx36 (2) 16Mx36 512MB (2) 16Mx36 (2) 16Mx36 (2) 16Mx36 (2) 16Mx36
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Table 3-1 Common Memory Configurations
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Installing System Memory and Add-On Peripherals

Installing the SIMMs

To install the SIMMs, locate the memory banks on the system board and perform the following steps:
1. Hold the SIMM so that the notched edge is aligned with the notch on the SIMM socket (Figure 3-1).
2. Insert the SIMM at a 45 degree angle.
3. Gently push the SIMM into an upright position until it locks into place (past the release tabs).
Figure 3-1 Installing a 72-Pin SIMM

Removing SIMMs

Perform the following steps to remove SIMMs, if necessary:
1. With both thumbs (or fingers), press the release tabs away from the socket.
2. With the SIMM free from the release tabs, lift the module up and place in an anti-static bag or package.
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Installing a CPU

The M54Pe is designed to support dual Pentium processors. Follow the steps below to install either the host or the upgrade processor:
1. Turn off the computer and remove its cover.
2. Locate the ZIF socket illustrated in Figure 2-1.
3. Lift the lever of the socket.
4. Locate pin 1 on the processor and pin 1 on the socket (Figure 2-1). Gently set the processor into the socket, making sure pin 1 on the processor and pin 1 on the socket are aligned.
5. Push the lever down until it locks into place.
6. Make sure jumper W6 is set correctly (Chapter 2).
7. If you are only installing the upgrade processor, you do not need to change any jumpers or BIOS settings. The system will automatically recognize the new processor.
Warning: Pentium processors require a heat-sink with a cooling fan. Failure to provide adequate cooling of the processor may seriously affect system performance or cause permanent damage to the processor.
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Installing System Memory and Add-On Peripherals

Installing Cache Memory

In addition to the 16K of internal (L1) cache built into the Pentium proces­sors, the M54Pe also supports external (L2) cache. The M54Pe is available with 256K or 512K external cache.
To upgrade to 512K cache, install eight 32Kx8-15ns SRAMs into the open SRAM sockets (Figure 3-2). After installing the cache upgrade, refer to Table 2-4 for the correct external cache jumper settings.
Figure 3-2 Upgrading the External Cache
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Installing a PCI Peripheral Card
Micronics PCI slots accommodate all PCI peripherals which meet the PCI 2.0 specifications. Complete the following steps to install a PCI card:
1. Turn the computer system off and remove its cover.
2. Choose an unused PCI slot and remove the slot cover.
3. Insert the card with the bottom edge level to the slot. Never insert
the card at an angle!
4. Carefully push the card straight down, making sure the card is fully inserted.
5. Replace the screw which holds the card into place.
6. Replace the computer cover.
7. Read the card’s manual for additional instructions concerning installation and software drivers.
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Figure 3-3 Installing a PCI Card
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Installing System Memory and Add-On Peripherals
Installing an EISA Peripheral Card
Micronics EISA slots accommodate all EISA peripherals which meet the EISA standard. Complete the following steps to install an EISA card:
1. Turn the computer system off and remove its cover.
2. Choose an unused EISA slot and remove the slot cover.
3. Insert the card with the bottom edge level to the slot. Never insert
the card at an angle!
4. Carefully push the card straight down, making sure the card is fully inserted.
5. Replace the screw which holds the card into place.
6. Replace the computer cover.
7. Read the card’s manual for additional instructions concerning installation and software drivers.
8. Run the EISA configuration utility discussed in Chapter 5.
Figure 3-4 Installing an EISA Card
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Installing a Plug & Play Peripheral Card

Micronics EISA slots accommodate all ISA Plug & Play peripherals which meet the Plug and Play standard. Complete the following steps to install a Plug and Play card:
1. Turn the computer system off and remove its cover. Note the slot
number where you choose to install the Plug and Play card. You will need this information when you run the EISA configuration utility.
2. Choose an unused EISA slot and remove the slot cover.
3. Insert the card with the bottom edge level to the slot. Never insert
the card at an angle!
4. Carefully push the card straight down, making sure the card is fully inserted.
5. Replace the screw which holds the card into place.
6. Replace the computer cover.
7. Read the card’s manual for additional instructions concerning installation and software drivers.
8. Run the EISA configuration utility discussed in Chapter 5.
Figure 3-5 Installing a Plug & Play Card
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4The BIOS Setup Utility

Configuration
After the M54Pe system board and all hardware is installed, the system is ready for configuration. Before turning on the computer, make sure all cables are correctly connected and all jumpers are correctly set.
It is recommended you keep the computer cover off the first time you boot the system. If you have any difficulties, they will be easier to correct.
Initial Boot Up
Power up the M54Pe. If the system doesn’t properly boot, check all your cables and peripherals for bad connections. You may also get beep codes or error messages. If this occurs, consult Appendices A and/or B for a guide to possible solutions.
After the system properly boots, it is ready to be configured. The following pages explain the proper procedures for BIOS configuration.
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Setup
The Setup program is used to configure the computer’s BIOS (Basic Input/ Output System). The computer’s BIOS is responsible for configuring the motherboard and providing hardware information to the operating system. In order for the computer to run properly, run the Setup procedure after first installing the system board and whenever you make a hardware change to the system.
After the system is turned on and goes through a memory test, the Power-Up Screen (Figure 4-1) will appear on your monitor:
Figure 4-1 Power-Up Screen
When “Press <F2> to enter SETUP” appears at the bottom of the screen, press the <F2> key to begin the Setup procedure. The CMOS Main Screen (Figure 4-2) should appear and the prompt should be on the time line. The Setup procedure can only be activated during the boot sequence.
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The BIOS Setup Utility
Running the Setup Procedure
The M54Pe system board has four primary CMOS configuration screens: the Main Screen (Figure 4-2), the Advanced Screen (Figure 4-4), the Security Screen (Figure 4-7), and the Exit Screen (Figure 4-9). To toggle between the screens, press the right arrow <> and the left arrow < > keys.
Setting the Main Screen
The CMOS Main Screen (Figure 4-2) is used to set the time and date, to set the floppy drive types, to configure the hard disks, and to configure the video. This section explains how to configure each of these categories. To move between the categories, use the up arrow <> and the down arrow <>.
Figure 4-2 CMOS Main Screen
System Time and Date
To set the time, use the <-> key to decrease the number and the <+> key to increase the number. To move the prompt forward, use the <Tab> key; to move the prompt backward, use the <Shift-Tab> key. To set the date, use the
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up and down arrows</> to highlight the System Date and follow the same procedure used to set the time.
Diskette A or B
To configure a floppy drive added to or removed from your computer, use the up and down arrow keys </> to select the drive you wish to set. Use the <+/-> keys to change the setting until it matches the floppy drive you have installed. The BIOS supports 2.88MB, 1.44MB, 1.2MB, 720KB, and 360KB floppy drives.
IDE Devices (Hard Disk Setup)
If you are setting up a SCSI hard disk, you will probably need to select [None] in the IDE Device parameters (see you SCSI card manual for more details).
To install an IDE device, select the device you wish to configure and press <Enter>. An IDE Device submenu will appear. (Figure 4-3).
Figure 4-3 IDE Device Submenu
The easiest way to set your IDE devices is to let the BIOS do it for you. When the IDE Device submenu first appears, the Autotype Fixed Disk selection will be highlighted. Simply press <Enter>, and the remaining information will automatically be entered.
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The BIOS Setup Utility
Do not adjust the rest of the settings unless absolutely necessary. The BIOS will automatically enter the optimal settings.
Video System
This sets the type of video board installed into the system. You may choose from: VGA/SVGA (default), CGA 80x25, MONO, and Not Installed.
Video BIOS Shadow
Enabling the category allows you to “Shadow” the BIOS on the video card for faster video performance. Some video cards do not support Video BIOS Shadowing. Disable this option if video problems occur.
System Memory
The System Memory category identifies the size of the base memory. It cannot be changed.
Extended Memory
The Extended Memory category automatically detects the amount of memory installed above the amount in the System Memory category. Because the BIOS automatically calculates the amount of memory installed in your system, you cannot change this category without adding or removing memory.
Cache State
This category enables or disables the external (L2) cache.
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Setting the Advanced Screen
The first page of the Advanced Screen (Figure 4-4) has two submenus: Boot Options (Figure 4-5) and Integrated Peripherals (Figure 4-6).
Use the up and down arrows </> to select a menu and press <Enter>.
Figure 4-4 Advanced Setup Screen
Boot Options
The Boot Options Submenu (Figure 4-5) has several useful options. Use the up and down arrow keys </> to select a category and the plus and minus keys <+/-> to change the settings.
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The BIOS Setup Utility
Figure 4-5 Boot Options Submenu
Boot Sequence
This category selects the order the system searches for a boot disk and can be set for: A: then C: C: then A: C: only
Swap Floppies
This category can be set to remap the floppy drives. It can be set for NOR­MAL (default) or SWAPPED. For normal operation, Drive A: and Drive B: work normally. When “Swapped” is selected, Drive A: becomes Drive B:, and Drive B: becomes Drive A:.
Floppy Check
When enabled, this category verifies the floppy drive is installed on boot. For faster booting, select DISABLED (default).
SETUP Prompt
When enabled, this category allows the system to display the “Press <F2> to enter SETUP” message during boot.
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Post Errors
When enabled, this category allows the system to display the “Press <F1> to resume, <F2> to SETUP” and pause if errors occur during boot. If disabled, the system will ignore any errors and will always attempt to boot.
Integrated Peripherals
The Integrated Peripherals submenu (Figure 4-6) allows you to individually enable or modify the drives, I/O ports, and other settings. Use the up and down arrow keys </> to select a category and the plus and minus keys <+/­> to change the settings.
Figure 4-6 Integrated Peripherals Submenu
Serial Port A
Serial Port A may be set for COM1 (default), COM3, or may be disabled.
Serial Port B
Serial Port B may be set for COM2 (default), COM4, or may be disabled.
Parallel Port
The parallel port may be set for LPT1 (default), LPT2, or may be disabled.
Parallel Port Mode
The parallel port may be set for output mode (AT), bidirectional mode (PS/2), Enhanced Parallel Port (EPP), Extended Capabilities Port (ECP), or may be disabled.
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The BIOS Setup Utility
Memory Gap
When enabled, this category removes the memory between 15 and 16 mega­bytes from the system. This one megabyte hole will allow some ISA network cards to map into this memory space. Banyon network cards require this feature. Enable this feature only if needed.
Plug and Play O/S
This category, when enabled, allows the system to work with Windows 95. The default setting is disabled.
Security Screen
The Security Screen (Figure 4-7) controls access to the computer. The security screen allows for settings of two passwords. The Supervisor Pass­word allows access to the system and Setup. The User Password will allow access to the system, but not to all Setup features.
Figure 4-7 Security Setup Screen
Supervisor Passwor d is
If a Supervisor Password has been set up for the system, it will read “Supervi­sor Password is ENABLED.” If the password has not been set up, it will be disabled (default).
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User Password is
If a User Password has been set up for the system, it will read “User Password is ENABLED.” If the password has not been set up, it will be disabled (default).
Set Supervisor Password
Press the <Enter> key to enter the Supervisor Password submenu (Figure 2-
8).
Figure 4-8 Supervisor Password Submenu
Type the password and press the <Enter> key. Retype the password and press the <Enter> key again. Write down the password somewhere safe so it will not be forgotten. The password may be disabled by setting the new password to nothing (pressing the <Enter> key without first typing a password).
Warning: If you forget the Supervisor Password, it cannot be disabled without discharging the CMOS.
Set User Password
Follow the same procedure used to set the Supervisor Password.
Note: When a password has been entered, it is saved immediately. All other changes may still be discarded (see Exit Screen).
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The BIOS Setup Utility
Password on Boot
When enabled, the system will require a password to be entered upon boot. Either the Supervisor or User Password may be entered.
Diskette Access
This category allows floppy disk access with an option of the supervisor or user. Selecting Supervisor will give floppy disk access to the supervisor only. Selecting User (default) will give floppy disk access to both the user and the supervisor. If the passwords are enabled, this option may only be changed by the supervisor.
Fixed Disk Boot Sector
This category allows the boot sector of the fixed disk to be write protected. The default setting is Normal. When set for Write Protect, it serves as a form of virus protection. If the passwords are enabled, this option may only be changed by the supervisor.
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Exit Screen
After you have completed configuring the BIOS, select the Exit Screen (Figure 4-9).
Figure 4-9 Exit Screen
Choose “Save Changes and Exit” and reboot the computer. After running the EISA configuration utility explained in Chapter 5, the computer will be ready for use.
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5EISA Utility

Introduction
The M54Pe is shipped with the Micro Computer System EISA Con­figuration Utility. The EISA Configuration Utility is a software utility designed to configure EISA peripherals.
The MCS EISA utility is designed to optimize the performance of your EISA peripherals and to maintain conflict-free configuration informa­tion. This is achieved through a series of initialization commands stored in non-volatile memory. The EISA Utility determines the configuration, creates the initialization commands, and makes sure the configuration is correct.
Note: For more information on the EISA Configuration Utility, consult the manual on the CF diskette.
When Should You Run the EISA Utility?
The EISA utility retains the configuration information in non-volatile memory. If this information is lost, the utility retains a backup copy (the file with the .sci extension) on your hard disk.
Run the EISA utility the first time your computer is booted up and every time you add or remove EISA peripheral cards.
What Y ou Will Need
Prior to running the EISA utility, you will need to do the following:
Install all peripheral cards.
Locate and set aside the EISA Utility diskette and all diskettes that came with your EISA peripherals. They contain the .cfg and .ovl files necessary for configuration.
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Starting the Utility
Perform the following steps to start the EISA utility:
1. Insert the System Configuration diskette into Drive A (or B).
2. At the A: prompt, type “cf” and press <Enter>. The Configuration Introduction screen will appear (Figure 5-1).
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.
Figure 5-1 EISA Configuration Introduction Screen
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The EISA Utility
Main Menu
After pressing <Enter>, the main menu appears. The main menu lists 5 steps for configuring the system board. To select a step, highlight the appropriate selection, and press <Enter>. Figure 5-2 shows the main menu.
Figure 5-2 EISA Configuration Main Menu
Step 1: Important EISA Configuration Information
Step 1 provides seven pages of useful information on the configuration utility. Read this prior to using the utility.
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Step 2: Add or Remove Boards
When this section is accessed, the utility scans and locates the EISA boards installed.
This section allows you to add or remove any EISA, PCI, and ISA Plug and Play peripherals. Beyond physically adding or removing the boards, it is important that you run this utility in order for your system to run properly.
When you select “Step 2: Add or Remove Boards,” the following screen (Figure 5-3) will appear.
Figure 5-3 Add or Remove Boards Screen
Press <Insert> to add the boards which could not be detected or which you plan to install. After you press the <Insert> key, the following screen (Figure 5-4) will appear.
You will need to have the configuration disks that came with each of the add­on cards you are installing. Insert the configuration disk for the peripheral you are installing and press <Enter>.
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The EISA Utility
Figure 5-4 Adding an EISA Configuration (CFG) File
When you are finished installing the EISA CFG files, press the <F10> key.
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Step 3: View or Edit Details
When you select the “View or Edit Details” menu (Figure 5-5), a display of your system resources appears. You may edit this menu to optimize the system performance and allocation of resources.
If you need to change information on this menu, select the item you wish to change and press <Enter>.
Figure 5-5 View or Edit Details Menu
Advanced Submenu
The Advanced submenu (Figure 5-6) will allow you to make specialized configuration adjustments. To select this menu, press the <F7> key.
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The EISA Utility
Figure 5-6 Advanced Submenu
Lock/Unlock Boards
Locking a board will prevent changes from being made to a board’s settings. You may lock or unlock each board individually.
View Additional Systems Information Menu
This is another submenu which will allow you to view board specifications, system specifications, used resources, and available resources.
Set Verification Mode Menu
You may set this for Automatic (default) or Manual. Automatic Verification turns on automatic detection and resolution of resource conflicts caused by configuration changes.
Maintain SCI Files Menu
‘Open’ will allow you to load a SCI file to replace your existing EISA configuration.
When you have finished making changes to the Advanced Submenu, press <F10> until you are back to the Main Menu.
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Step 4: Examine Switches or Print Report
Examine Switches
This section displays a listing of the motherboard jumper settings.
Print Report
This feature is not currently supported.
Step 5: Save and Exit
Save the new configuration when you exit the utility. When you select Step 5, the Save and Exit Screen appears. It will give you the option of saving the new configuration or returning to the Main menu. If you have finished configuring your EISA utility, select “Save the configuration and restart the computer.”
The Reboot Screen will then appear. Press the <Enter> key and the computer will reboot. Now the changes are complete and you are ready to use your computer.
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A

POST Messages

The following table lists the Power On Self Test (POST) messages, possible causes, and solutions.
Message Possible Cause Solution
DISKETTE DRIVE A FAILURE
DISKETTE DRIVE B FAILURE
EXTENDED RAM FAILED AT OFFSET: nnnn
FAILING BITS: nnnn
Drive A failed or is missing.
Drive B failed or is missing.
Extended memory not working or configured properly.
Memory failure in System, Extended, or Shadow memory.
Check Setup and cable connections.
Check Setup and cable connections.
Replace defective memory.
Replace defective memory.
FIXED DISK X FAILURE (where X =0 or 1)
FIXED DISK CONTROLLER FAILURE
INCORRECT DRI VE A TYPE
INCORRECT DRI VE B TYPE
INVAL ID NVRAM MEDIA TYPE
KEYBOARD ERROR, or KEYBOARD CONTROLLER ERROR
KEYBOARD ERROR nn
KEYBOARD LOCKED
The hard disk is not configured or working properly.
The controller card has failed.
Floppy drive A: not set correctly in Setup.
Floppy drive A: not set correctly in Setup.
NVRAM chip is bad. R equi res repair of system
The keyboard or keyboard controller failed.
A key is jammed or was held down during boot.
Keyswitch on the front of the case is locked.
Rerun SETUP and check connections, or replace hard disk.
Check configuration and connections, or replace controller card.
Run Setup.
Run Setup.
board. Check connections. You
may have to replace the keyboard or controller.
Make sure the keys are not jammed or dirty.
Unlock the keyswitch.
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Message Possible Cause Solution
MONITOR TYPE DOES NOT MATCH CMOS
Monitor type not correctly identified in Setup.
Run Setup and enter correct monitor type.
OPERATING SYSTEM NOT FOUND
PARITY CHECK 1 nnnn
PARITY CHECK 2 nnnn
PREVIOUS BOOT INCOMPLETE ­DEFAULT CONFIGURATION USED
REAL TIME CLOCK ERROR
SHADOW RAM FAILED AT OFFSET
SYSTEM BATTERY IS DEAD
Operating system cannot be located on Drive C: or Drive A:
Check Setup to see if Drive A: and C: are properly configured, or put a bootable disk in Drive A:
Parity error found in the system bus.
Parity error found in the I/O bus.
Previous POST did not complete successfu ll y.
Check Setup. Board repair may be required.
Check Setup. Board repair may be required.
Run Setup, load default BIOS settings, make any necessary adjustments, and save the changes
Real-time clock failed BIOS test.
May require battery replacement or board repair.
Shadow RAM failed. May require repair of
system board.
System battery died. Replace the system
battery and run Setup to reconfigure the system.
SYSTEM CACHE ERROR - CACHE DISABLED
SYSTEM CMOS CHECKSUM BAD ­RUN SETUP
SYSTEM RAM FAILED AT OFFSET: nnnn
SYSTEM TIMER ERROR
A-2
External (L2) cache failed BIOS test.
System will still run, but slower. Replace cache at convenience.
System CMOS has been corrupted or modified
Run Setup and reconfigure the system.
incorrectly. System RAM failed. Replace defective RAM.
Timer test failed. Requires repair of system
board.
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Beep and POST Codes

B
Beep codes are a series of beeps sent through the speaker which indicate a problem during the Power On Self Test (POST). If text appears on the video screen, the LPM30 has completed POST; any other tone from the speaker indicates something other than a POST error. These tones are not described in Table B-1.
The beep error codes are a series of beeps. The duration of the beep tones are constant, but the length of the pauses between the beeps varies. For example: a 1-3-3 beep code will sound like one beep, a pause; three beeps consecutively, another pause; and then three more beeps.
One beep code is often misunderstood. If a video card is not installed or is failing, the system board will generate a long-short-long-short beep code. This is often interpreted as a 1-2-1 beep code. But POST errors always vary in the length of the pause and not the duration of the beep tone.
Another way of identifying a POST error is to use a device called a POST card. This peripheral card is inserted into one of the ISA slots and has an LED (or LCD) read out showing the contents of port 80h.
The following table provides a list of all beep codes and POST rou­tines..
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Code Beeps POST Routine Description
02 Verify Real Mode. 04 Get CPU type. 06 Initialize system hardware. 08 Initialize chipset registers with initial POST values.
09 Get in POST Reg. 0A Initialize CPU registers. 0C Init ialize cache ini ti a l P OST values.
OE Initialize I/O. OF Initi a lize the localbus IDE.
10 Initialize Power Management. 11 Load alternate registers with initial POST values. 12 Jump to UserPatch0. 14 Initialize keyboard controller. 16 2-2-3 BIOS ROM checksum. 18 8254 timer initialization. 1A 8237 DMA controller initialization. 1C Reset Programmable Interrupt Controller. 20 3-1-1 Test DRAM refresh. 22 3-1-3 Test 8742 Keyboard Controller. 24 Set ES segment register to 4 GB. 28 Autosize DRAM. 2A Clear 512 K base RAM. 2C 3-4-1 Test 512K base address lines. 2E 3-4-3 Test 512K base memory. 32 Test CPU bus-clock frequency. 34 Test CMOS RAM. 35 Initialize alternate chipset registers. 37 Reinitialize the chipset (MB only). 38 Shadow system BIOS ROM. 39 Reinitialize the cache (MB only). 3A Autosize cache. 3C Configure advanced chipset registers. 3D Load alter nate registers with CMOS values. 40 Set initial CPU speed. 42 Initialize interrupt vectors. 44 Initialize BIOS interrupts. 46 2-1-2-3 Check ROM copyright notice. 47 Initialize manager for PCI Option ROMs. 48 Check video configuration against CMOS. 49 Initialize PCI bus and devices.
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Beep and POST Codes
Code Beeps POST Routine Description
4A Initialize all v ideo adapters in system. 4C Shadow video BIOS ROM. 4E Display copyright notice. 50 Display CPU type and speed. 51 Initialize EISA board. 52 Test keyboard. 54 Set key click if enabled. 56 Enable keyboard. 58 2-2-3-1 Test for unexpected interrupts. 5A Display prompt “Press F2 to enter SETUP”. 5C Test RAM between 512 and 640k. 60 Test extended memor y. 62 Test extended memor y address lines. 64 Jump to UserPatch1. 66 Configure advanced cache registers. 68 Enable external and CPU caches. 6A Display external cache size. 6C Display shadow message. 6E Display non-disposable segments. 70 Display error messages. 72 Check for confi guration errors. 74 Test real-time clock. 76 Check for keyboard errors. 7C S e t u p h a rd w a re in terrupt vec to rs. 7E Test coprocessor if present. 80 Disable onboard I/O ports. 82 Detect and install external RS232 ports. 84 Detect and install external parallel ports. 86 Re-initialize on-board I/O ports. 88 Initialize BIOSData Area. 8A I nitialize Extended BIOS Data Area. 8C Initialize floppy controller. 90 Initialize hard-disk controller. 91 Initialize localbus hard-disk controller. 92 Jump to UserPatch2. 93 Build MPTABLE for multi-processor boards. 94 Disable A20 address line. 96 Clear huge ES segment register. 98 Search for option ROMs. 9A Shadow option ROMs.
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Code Beeps POST Routine Description
9C Set up Power M anagement. 9E Enable hardware interrupts. A0 Set time of day. A2 Check key lock. A4 Initialize typematic rate.
A8 Eras e F2 prompt. AA Scan for F2 keystroke. AC Enter SETUP. AE Clear in-POST flag.
B0 Check for errors.
B2 POST done - prepare to boot operating system.
B4 One beep.
B6 Check password (optional).
B8 Clear global descriptor table. BC Clear parity checkers. BE Clear screen (optional).
BF Check virus and backup reminders.
C0 Try to boot with INT 19.
D0 Interrupt handler error.
D2 Unknown interrupt error.
D4 Pending Interrupt.
D6 Initialize option ROM error.
D8 Shutdown error. DA Extended Block Move. DC Shutdown 10 error.
The following are for boot block in Flash ROM: E2 Initialize the chipset. E3 In itialize refresh counter. E4 Check for Forced Flash. E5 Check HW status of ROM. E6 BIOS ROM is OK. E7 Do a complete RAM test. E8 Do OEM initialization. E9 In itialize interrupt controller.
EA Read in the bootstrap code. EB Initia lize all vecto rs . EC Boot the Flash program. ED Initialize the boot device. EE Boot code was read OK.
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CHard Disk Drive Types
The following table lists the hard disk types supported by M54Pe.
Type Cylinders Heads Write
Precomp
1 306 4 128 17 10 2 615 4 300 17 21 3 615 6 300 17 32 4 940 8 512 17 65 5 940 6 512 17 99 6 615 4 none 17 21 7 462 8 256 17 32 8 733 5 none 17 31
9 900 15 none 17 117 10 820 3 none 17 21 11 855 5 none 17 37 12 855 7 none 17 52 13 306 8 128 17 21 14 733 7 none 17 44 15 N/A N/A N/A N/A N/A 16 612 4 0 17 21 17 977 5 300 17 42 18 977 7 none 17 59 19 1024 7 512 17 62 20 733 5 300 17 31 21 733 7 300 17 94 22 733 5 300 17 31 23 306 4 0 17 10 24 612 4 305 17 21 25 612 2 300 17 10 26 614 4 none 17 21 27 820 6 none 17 42 28 977 5 none 17 42 29 1218 15 none 36 336 30 1224 15 none 17 159
Sectors Size
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Type Cylinders Heads Write
Sectors Size
Precomp
31 823 10 512 17 71 32 809 6 128 17 42 33 830 7 none 17 50 34 830 10 none 17 72 35 1024 5 none 17 44 36 1024 8 none 17 71 37 615 8 128 17 42 38 1024 8 none 26 109 39 925 9 none 17 72
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Specifications

D
Host Processor 90MHz or 100MHz Pentium processor.
Upgrade Processor 90MHz or 100MHz Pentium processor.
Chipset Intel Neptune Chipset.
CPU Clock Select Frequency synthesizer chip. Jumper selectable
CPU selection.
Form Factor Full size (12" x 13.75"). 6 layer PCB.
Expansion Five 32-bit EISA slots.
Two 32-bit PCI slots. One shared EISA/PCI slot.
BIOS Phoenix 4.04 Plug and Play BIOS on 1MB Flash
EPROM. Mode 3 IDE drive support. Auto-detection of memory size. Auto-configuration of IDE hard disk drives.
RAM Capacity 512MB
Keyboard PS/2 (PS/2 version).
AT-Compatible (AT version).
Mouse Built-in PS/2 support (PS/2 version only).
Internal Cache 16K (per processor).
External Cache 256K or 512K write-back.
I/O Ports Built in support.
Two high speed serial ports (16550 compatible). One bi-directional parallel port.
Enhanced Parallel Port (EPP) compatible. Microsoft and Hewlett Packard Extended Capabilities Port (ECP) compatible.
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Floppy Port Supports two floppy drives
(2.88, 1.44, 1.2, 720K, 360K).
PCI IDE Port Supports two IDE hard disks.
Mode 3 support. Multiple sector transfer support. LBA support.
Secondary IDE Support Supports two additional IDE hard disks.
LBA support.
Clock Benchmarq Real Time Clock.
Environmental Specifications
The environment in which the M54Pe is located is critical. Micronics recommends the following environmental specifications:
Temperature Range
Operating: 50 to 104 degrees Fahrenheit (10 to 50 degrees Celsius).
Non -Operating: 50 to 140 degrees Fahrenheit (10 to 60 degrees Celsius).
Shipping: -22 to 140 degrees Fahrenheit (-30 to 60 degrees Celsius).
Relative Humidity
Operating: 20% to 80%
Non-Operating: 5% to 90%
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Battery Disposal
W arning: DO NOT: open battery; dispose of in fire; recharge; put in backwards, mix with used or other battery types.
May explode or leak and cause personal injury.
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FCC Statement
FCC Warning Statement
This equipment has been tested and found to comply within the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not used in accordance with the instructions, may cause harmful interference to radio communications. Interference to radio or television reception can be determined by turning the equipment off and on. The user is encouraged to try to correct the interference by one or more of the following measures:
M Reorient the receiving antenna.
M Increase the separation between the equipment and the receiver.
M Connect the equipment into an outlet on a circuit different from that
to which the receiver is connected.
M Consult your dealer or an experienced radio/TV technician for help.
To meet FCC requirements, shielded cables and power cords are required.
Note: Changes or modifications not expressly approved by Micronics could void the user’s authority to operate the equipment.
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Micronics M54Li System Board Manual
Declaration of Conformity
Application of Council Directives 89/336/EEC and 72/23/EEC.
Standards to which the conformity is declared:
EN55022 EN50082-1 EN 60950
Manufacturer's Name: Micronics Computers, Inc.
Manufacturers Address: 221 Warren Avenue
Fremont, California 94539 USA
Tel: (510) 651-2300 Fax: (510) 651-9450
Type of Equipment: 586-75/90/100/120/133
Tower Personal Computer
Model Name: M54Pe
Tested by: Rockford Engineering Services, Inc.
4750 Williams Wharf Road St. Leonard, Maryland 20685 USA
Tel: (301) 855-1375 Fax: (410) 586-1460
Test Engineers Li-Ming Xu (EN55022)
Muyiwa Ogunfunmi (EN50082-1) Bandele Adepoju (EN60950)
I, the undersigned, hereby declare that the specified equipment conforms to the directives and standards listed above.
Ming Ming Hsu Director of Technical Services November 12, 1995
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Glossary

Glossary
16550 UAR T - A high speed chip for controlling serial ports. Although unnecessary for a mouse, it is required for modems that are 14,400 baud or faster.
486DX - A type of 32-bit CPU with a built in math-coprocessor and internal cache.
486DX2 - A 486DX CPU where the internal speed of the CPU operates at twice the external speed.
486DX4 - A 486DX CPU where the internal speed of the CPU operates at three times the external speed.
486SX - A 486DX CPU with no math­coprocessor.
Asynchronous - Operations that do not require the clocks of communicating devices to be coordi­nated. See Synchronous.
Baby A T - A standard system board size measuring approximately 13.25” x 8.5”.
Bidirectional Parallel Port - A type of parallel port that can send and receive information.
BIOS - An Acronym for Basic Input/Output System. Configures the system board and provides hardware information to the operating system.
Bit - A contraction of Binary digit. The smallest unit of information in a binary number system. A bit represents a choice between either zero or one.
Boot - To start up the computer and load the operating system software. See cold boot and warm boot.
Byte - A group of adjacent bits treated as a unit. Eight bits are typically considered one byte. Also called a character.
Cache - A process where information is copied from the slower memory (DRAM) to the faster memory (SRAM). Information that is likely to be read or edited is stored in the cache providing significant performance increases.
Cache hit - The percentage of request for data from memory that can be served from the cache.
Cache miss - A memory access which cannot be supplied from cache.
Cold Boot - Starting the computer by turning on the power or pressing the RESET button. A cold boot makes the processor execute all of the diagnostics. See boot and warm boot.
CPU - An acronym for Central Processing Unit. A CPU performs arithmetic calculations, makes logical decisions, and directs the operation of the computer in conjunction with the operating system.
Disk Drive - A hardware device which provides for the storage of data on diskettes or hard metal disks that have a magnetic coating. A disk drive functions by spinning at high speed while moving a device called the read/write head across the disk’s surface in order to read or write data in magnetic code.
DRAM - An acronym for Dynamic Random Access Memory. A type of memory chip that only keeps its memory if supplied with regular clock pulses and a chance to regularly refresh its data. It is slower and more cost effective than SRAM. See SRAM.
Bus - A group of electronic paths used to send data between parts of the system. On a system board, the bus connects the peripheral cards with the microprocessor via the expansion slots.
Bus Mastering - The ability of an peripheral card to control the bus without requiring intervention of the CPU.
ECP - An acronym for Expanded Capabilities Port. A standard set by Hewlett Packard and Microsoft Corporation to expand the capabilities of the parallel port.
EDO Memory - An acronym for Extended Data Output. A type of DRAM with built-in cache.
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EISA - An acronym for Extended Industry Standard Architecture. EISA is a bus design standard which is fully backward compatible with the ISA bus. Although it is a 32-bit bus, it only runs at 8MHz. See PCI, VESA, and ISA.
EPP - An acronym for Enhanced Parallel Port. A standard which increases the capabilities of the parallel port.
EPROM - Acronym for Erasable Programmable Read Only Memory. A type of ROM chip that can be programmed with relatively simple tools that will retain its data until erased. It can only be erased by exposing the circuitry in the chip to ultraviolet light. See also Flash ROM.
L1 Cache - See Internal Cache.
L2 Cache - See External Cache.
LBA - An acronym for Logical Block Address­ing. Any IDE hard drive that is larger than 528MB.
Math coprocessor - A microprocessor designed specifically for performing mathematical calculations. A math coprocessor performs these calculations faster than the CPU, and by doing so, frees the CPU for other activities.
Megabyte (MB) - 1,024 Kilobytes or 1,048,576 bytes.
External Cache - Cache which is external to the CPU. See Cache.
Fast SCSI - A SCSI data transfer standard that allows a rate of up to 10MB/sec.
Fast Wide SCSI - A SCSI data transfer that allows a rate of up to 20MB/sec.
Flash ROM - A type of ROM chip that will retain its data until erased. It can be erased or reprogrammed by supplying it with +12V of voltage. See ROM and EPROM.
Full Size - A standard system board size measuring approximately 12" x 13.75".
Gigabyte - A disk storage capacity measurement. Approximately one thousand megabytes or 1,073,741,824 bytes.
IDE - An acronym for Integrated Device Electronics. A standard for communicating between a hard drive and a computer.
Internal Cache - Cache which is built into the CPU. See Cache.
ISA - An acronym for Industry Standard Architecture. A well-established bus standard that originated with the IBM A T . See PCI, VESA, and
EISA.
Jumper - a small plug that fits over and shorts pins on a circuit board. Jumpers allow the various functions of the board to be enabled or disabled.
Kilobyte (KB) - 1,024 bytes.
Mini A T - A standard system board size measuring approximately 8.5" x 9.5".
Mode 1 - An IDE data transfer standard that supports transfer rates of up to 5.22 Mbytes/sec.
Mode 2 - An IDE data transfer standard that supports transfer rates of up to 8.33 Mbytes/sec.
Mode 3 - An IDE data transfer standard that supports transfer rates of up to 11.1 Mbytes/sec.
Mode 4 - An IDE data transfer standard that supports transfer rates of up to 15.5 Mbytes/sec.
Parallel - A form of data transmission in which the data is sent one byte at a time over several wires that each carry one byte. In parallel transmission, all the bytes arrive simultaneously, as opposed to serial transmission in which bits arrive one by one.
Parallel Port - A connection for a printer or similar peripheral. Generally, parallel ports are output only. See Bidirectional Parallel Port and ECP .
PCI - An acronym for Peripheral Component Interconnect. A high performance 32-bit or 64­bit bus developed by Intel Corporation. PCI is designed to be independent of the hardware architecture to ensure compatibility with future computer systems. See VESA, EISA, and ISA.
Pentium- A high performance 64-bit CISC processor designed and manufactured by Intel Corporation. As of this writing, Pentium is the highest performing X86 processor available.
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Plug and Play - A standard developed to ensure easy installation of peripherals. Theoretically, a newly installed card will automatically configure itself and work properly without requiring jumper configuration or device drivers.
POST - An acronym for Power On Self Test. A diagnostic program that is run whenever the system is cold booted.
RAM - An acronym for Random Access Memory. A type of memory that is used as the “working memory” of a computer system. See DRAM and SRAM.
ROM - An acronym for Read Only Memory . A type of memory that retains its data without requiring power. Once written, it cannot be modified. See EPROM and Flash ROM.
SCSI - An acronym for Small Computer Systems Interface. An interface standard used to interface hard disk drives, removable cartridge drives, tape drives, and CD-ROMs to the computer system. SCSI allows multiple, high-performance peripheral devices to be connected in a chain. Each has its own address. Data and control signals are sent along the chain and only the specifically addressed device responds.
SCSI II - An interface standard that adds features to the SCSI standard. These include 32-bit data transfer, command queuing, Fast SCSI, and support for a wider variety of peripherals.
SCSI III - A proposed standard that will support transfer rates of up to 40MB/sec.
Serial - A type of data transmission in which the data is sent one bit at a time over a single wire. See parallel.
Serial Port - A communications port used to connect peripherals such as modems and mice.
Setup - A program which allows you to make changes to the system configuration.
Shadow RAM - A technique used to load a duplicate copy of BIOS from slower ROM into faster RAM. This enhances system performance because it provides higher access speed to the BIOS.
Glossary
SRAM - An acronym for Static Random Access Memory. A type of memory that can retain data without requiring a regular clock signal. Although they are faster than DRAM, they hold less data and are more expensive.
Synchronous - Protocols that require the clocks of communicating machines or devices to be coordinated.
Synchronous Cache - A type of cache that uses a clock signal to latch the inputs and the data output. This structure spreads the cache access across two or three cycles while maintaining a bandwidth of one access per cycle. Improves performance by 5-10%.
Terabyte - A measurement for very , very large storage capacity. One T erabyte is equivalent one-thousand gigabytes, one-million megabytes, or 1,099,511,627,766 bytes.
VESA - An acronym for Video Electronics and Standards Association.
VESA Localbus (VL-Bus) - A high performance bus designed by VESA. A 32-bit version of the ISA bus which operates at the speed of the computer’s CPU. See PCI , EISA, and ISA.
VGA - An acronym for Video Graphics Array . A standard for monitor displays.
VR - Pentium CPU voltage ranging from 3.300 -
3.465 V olts.
VRE - Pentium CPU voltage ranging from 3.400
- 3.600 V olts.
Warm Boot - Restarting the system by simultaneously pressing the <Ctrl>, <Alt>, and <Delete> keys.
Write-Back Cache - Upon a cache hit, the cache is updated and the main memory is not affected. Upon a cache miss, only the main memory is updated.
Write-Through Cache - Upon a cache hit, the cache and the main memory are updated. Upon a cache miss, only the main memory is updated.
SIMM - An acronym for Standard Inline Memory Module. A small printed circuit board containing memory chips.
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Limited W arranty
Except as described below, Micronics warrants the products to be free from defects in material and workmanship in normal use for a period of one (1) year from date of purchase. Should any product fail to perform according to this warranty at any time during the warranty period, except as provided below, Micronics or its authorized service centers will, at Micronics’ option, repair or replace the product at no additional charge.
The warranty does not cover loss or damage which occurs in shipment or which is due to: (1) improper installation or maintenance, misuse, neglect or any cause other than ordinary commercial application, including without limitation, accidents or acts of God; (2) adjustment, repair, or modification by other than a Micronics authorized service center; (3) improper environment, excessive or inadequate heating or air conditioning, or electrical power failures, surges or other irregularities; (4) any statement about the product other than those set forth in this warranty; or (5) nonconformity to models or samples shown to the purchaser. Any models or samples were for the sole purpose of suggesting the character of the product and are not intended to form the basis of the bargain.
A receipt or copy of the invoice with the date of purchase from a Micronics reseller is required before any warranty service can be rendered. Service can be obtained by calling Micronics for a Return Merchandise Authorization (RMA) Number.
The RMA Number should be prominently displayed on the outside of the shipping carton of the returned product. Returned product should be shipped prepaid or hand carried to Micronics. The purchaser assumes risk of loss or damage in transit, and unless otherwise agreed to in writing by Micronics, will pay inbound shipping charges.
The exclusive remedy of the purchaser under this warranty above will be repair or replace at Micronics’ option, but if for any reason that remedy should fail of its essential purpose, the exclusive remedy of the purchaser shall then be actual damages up to amounts paid for the defective product by the purchaser. This limited warranty shall be deemed to “fail of its essential purpose” if, after repeated efforts, Micronics is unable to make the product operate as warranted. Micronics’ liability for damages to the purchaser for any cause whatsoever; regardless of the form of action and whether in contract or in tort, shall be limited to the purchase price in effect when the cause of action arose for the product that is the basis of the claim.
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Micronics will not be liable for any lost profits or any indirect, special incidental or consequential damages in connection with the product, even if Micronics has been advised of the possibility of such damages.
Micronics makes no warranties or representations as to performance of products or as to service to distributor or to any person, except as set forth in Micronics; limited warranty accompanying delivery of product.
Micronics disclaims all other warranties whether oral, written, expressed, or implied, including without limitation, the warranties of design, merchantabil­ity, or fitness for a particular purpose, if applicable, or arising from a course of dealing, usage or trade practice.
Non-W arranty Service
After the one year warranty service is no longer in effect, repair service is still available for Micronics products. For more information, contact Micronics’ RMA department at (510) 683-0428 or (510) 683-0389. The RMA department is open between 8:30 A.M. and 5 P.M. Pacific Standard Time.
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