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American Megatrends Enterprise-II - page 1
A merican Megatrends, Inc. Series 16 Enterprise-II 80486 EISA Motherboard User's Guide MAN -616 10/21/92 ...
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American Megatrends Enterprise-II - page 2
© Copyright 1992 American M egatrends, Inc. All rights reserved. American Megatrends, Inc. 6145F Northbelt Parkway Norcross, GA 30071 This publication contains proprietary information w hich is protected by copyright. No part of this publication may be reproduced, transcribed, stored in a retrieval system, translated into any language or computer ...
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American Megatrends Enterprise-II Motherboard User's Guide iii Table of Contents Chapter 1 Sy stem Overvi ew ............................................................................ 1 Chapter 2 Installati on ...................................................................................... 9 Unpacking t he Motherboard ................. ...
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Preface iv Table of Contents, Continued Chapter 4 A M I BIOS Setup , c ont'd Numer ic Processor .......................................... 59 Floppy Drive Seek A t Boot ............................... 59 System Boot Up S equenc e .............................. 59 Fast Gate A20 ................................................... 59 Pass word Ch ...
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American Megatrends Enterprise-II Motherboard User's Guide v Preface To the OEM Thank you for purchasing the high performance Enterprise-II 80486 EISA motherboard. This product is a state of the art 80486-based motherboard that includes the famous AMIBIOS. It is assumed that you have also licensed the rights to use the American Megatrends docu ...
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Preface vi Rev G of the Enterprise-II will now support the following processor speeds: 80486DX 25, 33, and 50 MHz 80486SX 25 MHz 80487SX 25 MHz ...
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American Megatrends Enterprise-II Motherboard User's Guide vii New in Series 16 Revision G, Continued Selecting the Processor Speed A table on page 14 documents the jumper settings for selecting the processor speed. Selecting the Processor Type A table on page 14 describes how to set jumpers to select the processor speed. J22 Name Change The n ...
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American Megatrends Enterprise-II Motherboard User's Guide 11 Chapter 1 Sy stem Overv i ew The American Megatrends Series 16 Enterprise-II is an EISA (Extended Industry Standard Architecture) motherboard. It is approximately 13.8 inches wide by 12 inches long (identical in size to a standard IBM AT motherboard with similar mounting hole locati ...
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Chapter 1 - System Overview 2 Description Processor Type and Speed The Enterprise-II EISA motherboard comes with either an 80486DX operating at 25, 33, or 50 MHz or an 80486SX operating at 25 MHz. The Enterprise-II also supports future Intel processors and upgradable processors. 80486SX-equipped Enterprise-II motherboards support an 80487SX operati ...
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American Megatrends Enterprise-II Motherboard User's Guide 3 Description, Continued Cache Memory The Enterprise-II supports 128 KB of direct mapped, write-through external cache memory. The Intel 80486 processors have 8 KB of internal cache. All system memory can be cached. The cache read has 0 wait states. Burst mode is supported. Cache memor ...
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Chapter 1 - System Overview 4 Description, Continued BIOS The Enterprise-II has a 128 KB EISA AMIBIOS located at E000–FFFFh with built- in Setup, hard disk drive diagnostics, and user-definable hard disk drive types. The EISA AMIBIOS allows you to bypass error messages for missing video, keyboard, or floppy drives to facilitate the building of fi ...
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American Megatrends Enterprise-II - page 13
American Megatrends Enterprise-II Motherboard User's Guide 5 Description, Continued Seven DMA Channels The Enterprise-II has seven DMA channels. In accordance with the EISA specifications, any DMA channel may be programmed for 8, 16, or 32-bit DMA device size and ISA compatible, type A, type B, or burst type C modes. Fifteen Interrupt Levels T ...
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American Megatrends Enterprise-II - page 14
Chapter 1 - System Overview 6 Description, Continued Timer Features The Enterprise-II has five programmable 16-bit counter/timers. System Arbiter The Enterprise-II has standard EISA arbitration features. Refresh Generation The Enterprise-II has a refresh generation feature. I/O Capability The Enterprise-II accesses 32-, 16-, 8-bit memory devices an ...
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American Megatrends Enterprise-II - page 15
American Megatrends Enterprise-II Motherboard User's Guide 7 Description, Continued I/O Address Space The Enterprise-II uses I/O addresses x 100h through x 3FFh for ISA compatible I/O ( x = a "don't care" character which does not affect mapping location. For example, I/O port addresses 0100h, 1100h, 2100h, and 3100h map to the s ...
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American Megatrends Enterprise-II - page 16
Chapter 1 - System Overview 8 Description, Continued I/O Wait State Generation The Enterprise-II has an open bus structure (allowing multiple microprocessors to share the system resources, including memory). The Enterprise-II supports refresh of system memory from channel microprocessors. Keyboard The Enterprise-II uses a 5-pin IBM AT- compatible D ...
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American Megatrends Enterprise-II - page 17
American Megatrends Enterprise-II Motherboard User's Guide 9 Chapter 2 Installation Unpacking the Mot herboard Step Act i o n 1 Inspec t the cardboard cart on for obvious dam age. If dam aged, cal l Technical S upport at 404-236-8600. Leave the Enterpri s e-II m otherboard in it s original pack ing. 2 Perform all unpack i ng and i ns tallati o ...
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Chapter 2 - Installation 10 ...
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American Megatrends Enterprise-II Motherboard User's Guide 11 Installation Steps The steps for assembling a system that uses the 80486 Enterprise-II motherboard and CPU card are shown in the following table. Each step is discussed in detail in the following pages. Step A ction Turn to 1 Set switc h and jumper opt i ons Page 12 2 Inst al l m em ...
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American Megatrends Enterprise-II - page 20
Chapter 2 - Installation 12 Step 1 Set Switch and Jumper Options Set all user-configurable jumpers and switches and install coprocessors before installing the motherboard in the chassis. There are two user-configurable switches and five jumpers. SW SW is a dual 2-bit DIP switch. SW-1 is used for manufacturing diagnostics. The motherboard is shipped ...
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American Megatrends Enterprise-II Motherboard User's Guide 13 Step 1 Set Switch and Jumper Options, Continued J27 EBC 25/33 MHz Select J27 is a three-pin berg. Short pins 1-2 to select 25 or 50 MHz operation. Leave J27 open to select 33 MHz operation. J35 CLKEBC Select J35 is a three-pin berg that selects normal or /2 operation. Short pins 2-3 ...
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Chapter 2 - Installation 14 Step 1 Set Switch and Jumper Options, Continued Selecting the Processor Speed Processor S peed J2 * J27 EBC 25/33 M Hz Select J35 CLKEBC Select Normal or /2 80486DX 25 MHz Short pins 1- 2 Short pins 1- 2 Short pins 2-3 33 MHz Short pins 1- 2 Open Short pins 2-3 50 MHz Short pins 1- 2 Short pins 1- 2 Short pins 1-2 80486S ...
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American Megatrends Enterprise-II Motherboard User's Guide 15 Step 2 Install Memory The main memory subsystem on the Enterprise-II motherboard consists of two 32-bit memory banks of 4 SIMM sockets each. Both banks house SIMMs (Single In-line Memory Module) DRAM packages. You can use 1 MB or 4 MB x 9 bit SIMMs. Motherboard Memory Configurations ...
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American Megatrends Enterprise-II - page 24
Chapter 2 - Installation 16 Step 2 Install Memory , Continued SIMM Part Numbers The following table lists suggested manufacturers and part numbers. Memory T ype M anufacturer Part N umber 1 MB x 9 Fujits u® MB85235-70 Toshiba® THM91000AS-70 NEC® MC-42100A9-70 Siem ens® HYM910005-70 4 MB x 9 OKI® MSC2340-70459 Toshiba THM94000S-80 NEC MC-85235- ...
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American Megatrends Enterprise-II Motherboard User's Guide 17 Step 2 Install Memory , Continued SIMM Installation The following graphic demonstrates how to install SIMMs. SIMM Types The graphic below shows the two types of SIMMs. ...
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Chapter 2 - Installation 18 Step 2 Install Memory , Continued Memory Configuration The 80486 Enterprise-II motherboard checks the memory banks and automatically configures the amount of memory installed in the SIMM sockets. There are no user definable jumper or switch settings for configuring memory. The following table shows the total system memor ...
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American Megatrends Enterprise-II Motherboard User's Guide 19 Step 3 Install Coprocessor The 80486 Enterprise-II motherboard supports the Weitek WTL4167 coprocessor. The coprocessor must operate at the same frequency as the microprocessor. Board Frequency Part Number 25 MHz W TL4167-025 33 MHz W TL4167-033 50 MHz N/A Installing the Weitek U89 ...
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Chapter 2 - Installation 20 properly installed, call Technical Support. ...
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American Megatrends Enterprise-II Motherboard User's Guide 21 Step 4 Install the M otherboard The mounting hole pattern on the Enterprise-II is the same as the mounting hole pattern on the AT motherboard. Standoffs and mounting screws are not supplied with the Enterprise-II motherboard. The following table describes the installation. Step Act ...
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Chapter 2 - Installation 22 Step 5 Connect the Pow e r Supply The power supply should match the physical configuration of the chassis. Make sure that the power switch is Off before assembly. Before attaching all components, make sure that the proper voltage has been selected. Power supplies often can run on a wide range of voltages, but must be set ...
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American Megatrends Enterprise-II Motherboard User's Guide 23 Step 5 Connect the Pow e r Supply, Continued Power Supply Connectors are Keyed The connectors should be keyed to prevent connecting the plugs to the wrong connectors. The keys on the connector must be cut to fit on some power supplies. The following figure illustrates the keys that ...
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American Megatrends Enterprise-II - page 32
Chapter 2 - Installation 24 Step 5 Connect the Pow e r Supply, Continued See the following figure for the location of connectors PS1, PS2, and PS3. AT-compatible power supplies have two 6- pin connectors that are inserted in PS1 and PS2. The 6-pin connector with 3 red wires and 2 black wires is connected to PS2 and the remaining 6-pin connector is ...
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American Megatrends Enterprise-II Motherboard User's Guide 25 Step 5 Connect the Pow e r Supply, Continued PS1 Pinout Pin Description 1 P ower Good (Orange wire) 2 V CC (Red wire) 3 +12 Volts (Yellow wire) 4 -12 V olts (Blue wire) 5 Ground (B lack wire) 6 Ground (B lack wire) PS2 Pinout Pin Description 1 Ground (B lack wire) 2 Ground (B lack w ...
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Chapter 2 - Installation 26 Step 6 Connect th e Key board Cable The keyboard connector on the Enterprise- II is a 5-pin DIN socket and is labeled KEYBRD and J7 on the motherboard. It works with a standard AT-compatible keyboard. A 5-pin DIN to 6-pin mini DIN converter is needed to connect a PS/2-type keyboard. Pin Assignments 1 Keyboard clock 2 Key ...
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American Megatrends Enterprise-II Motherboard User's Guide 27 Step 8 Connect Cables When connecting chassis connectors to the motherboard, make sure to connect the correct connector end. Most connector wires are color-coded. Match the color of the wires leaving the switch or LED to the same pin on the connector end. There may be more than one ...
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Chapter 2 - Installation 28 J17 is a 2-pin single-inline berg. When this button is pressed, the system performs a hard reset. Pin 1 is ground and Pin 2 is Hard Reset. ...
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American Megatrends Enterprise-II Motherboard User's Guide 29 Step 8 Connect Cables, Continued J13 Speaker Cable J13 is a 4 pin single-in-line berg. AMIBIOS signals hardware problems through the speaker. Pin 1 on the motherboard is labeled by a plus (+). Pin Description 1 Data Out 2K e y 3 Ground 4V C C J14 Keyboard Lock Connector J14 is a 5-p ...
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Chapter 2 - Installation 30 Step 8 Connect Cables, Continued J19 Turbo LED J19 is a 2-pin berg. The LED lights when the board is running at high speed. Connect the Turbo LED to J19. Floppy Drive Controller J8 is a 34-pin dual-inline berg connector for floppy drives. Using the graphic on page 10, identify J8 on the motherboard. Pin one of each of th ...
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American Megatrends Enterprise-II - page 39
American Megatrends Enterprise-II Motherboard User's Guide 31 The Enterprise-II supports up to two 3½" or 5¼" floppy disk drives. The connecting cable is a 34-pin ribbon cable with two 34-pin edge connectors. There should be a twist in the cable between the floppy connectors, and the last (end) connector should be connected to driv ...
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American Megatrends Enterprise-II - page 40
Chapter 2 - Installation 32 Step 8 Connect Cables, Continued Floppy Pinout Pin Use Pin Use 1G N D 2 R P M / L C 3G N D 4 N / C 5G N D 6 N / C 7 GND 8 -INDEX 9 GND 10 -M OTOR0 11 GND 12 -FD SEL1 13 GND 14 -FD SEL0 15 GND 16 -M OT OR1 17 GND 18 D IR 19 GND 20 -STEP 21 GND 22 -W DATA 23 GND 24 -W GATE 25 GND 26 -TRK0 27 GND 28 -W RPROT 29 GND 30 -RDAT ...
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American Megatrends Enterprise-II - page 41
American Megatrends Enterprise-II Motherboard User's Guide 33 Step 9 Install A dapter Cards The 80486 Enterprise-II EISA motherboard provides full compatibility with all IBM XT- or AT-compatible adapter cards. It has eight EISA slots. The slots are numbered on the motherboard from SLOT1 through SLOT8. The EISA slots can accept 8- or 16- bit IS ...
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American Megatrends Enterprise-II - page 42
Chapter 2 - Installation 34 Step 9 Install A dapter Cards, Continued EISA adapter cards have longer and denser fingers on the edge connecters than ISA adapter cards. The EISA slots on the motherboard have two rows of contacts, one below the other. The ISA slot can be inserted into the EISA connector only far enough to make contact with the upper ro ...
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American Megatrends Enterprise-II - page 43
American Megatrends Enterprise-II Motherboard User's Guide 35 Step 9 Install A dapter Cards, Continued 8-Bit ISA Slot Pinout Pin Use Pin Use A1 IOCHCK- B1 GND A2 SD07 B2 RSTDRV A3 SD06 B3 +5 A4 SD05 B4 IRQ9 A5 SD04 B5 - 5 A6 SD03 B6 DREQ2 A7 SD02 B7 -12 A8 SD01 B8 OW S- A9 SD00 B9 +12 A10 IOCHRDY B10 GND A11 AEN B11 SM EMW - A12 SA19 B12 SM EM ...
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American Megatrends Enterprise-II - page 44
Chapter 2 - Installation 36 Step 9 Install A dapter Cards, Continued 16-Bit ISA Extension Pinout The following 16-bit pins are an extension of the 8-bit board layout and are used in conjunction with the 8-bit board standard pins. Pin Use Pin Use C1 SBHE- D1 MEM CS16- C2 LA23 D2 I OC S16- C3 LA22 D3 I RQ10 C4 LA21 D4 I RQ11 C5 LA20 D5 I RQ12 C6 LA19 ...
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American Megatrends Enterprise-II Motherboard User's Guide 37 lower (EISA) contacts. The following table lists the pinouts for Rows F, B, E, and A. ...
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Chapter 2 - Installation 38 Step 9 Install A dapter Cards, Continued 32-bit EISA Slot Pinout , cont'd Row F Row B Row E Row A 1 GND 1 GND 1 CMD# 1 IOCHK# 2 + 5 volts 2 RESDRV 2 ST ART# 2 D7 3 + 5 volts 3 + 5 volts 3 EXRDY 3 D6 4 xxxxxx 4 IRQ 9 4 EX32# 4 D 5 5 xxxxxx 5 - 5 volts 5 GND 5 D4 6 Access Key 6 DRQ 2 6 Access Key 6 D3 7 xxxxxx 7 - 12 ...
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American Megatrends Enterprise-II Motherboard User's Guide 39 Step 9 Install A dapter Cards, Continued 32-bit EISA Slot Pinout , cont'd The following table lists the pinouts for Rows H, D, G, and C. Row H Row D Row G Row C 1 LA8 1 M16# 1 LA7 1 SB HE# 2 LA6 2 IO16# 2 GND 2 LA23 3 LA5 3 IRQ 10 3 LA4 3 LA 22 4 + 5 volts 4 IRQ 11 4 LA3 4 LA21 ...
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American Megatrends Enterprise-II - page 48
Chapter 2 - Installation 40 Step 10 Test and Configure Review the following points before powering up: _ make sure that all adapter cards are seated properly, _ make sure all connectors are properly installed, _ if the math coprocessor is used, make sure it is seated properly, _ make sure there are no screws or other foreign material on the motherb ...
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American Megatrends Enterprise-II - page 49
American Megatrends Enterprise-II Motherboard User's Guide 41 Step 11 Test and Configure, Continued 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 w ...
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Chapter 2 - Installation 42 floppy disk with Enterprise-II motherboard. ...
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American Megatrends Enterprise-II Motherboard User's Guide 43 ...
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Chapter 3 - BIOS POST 44 Chapter 3 BIOS Pow er-On Self Test AMIBIOS provides all IBM-standard POST routines as well as enhanced AMIBIOS POST routines and CPU internal diagnostics. AMIBIOS POST codes can be accessed via the Manufacturing Test Port (I/O Port 80h). POST Phases When the system is powered on, the AMIBIOS executes POST, which has two pha ...
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American Megatrends Enterprise-II Motherboard User's Guide 45 If... Th en... initiali zed, to press <F1> c an also appear. ...
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Chapter 3 - BIOS POST 46 Beep Codes Errors may occur during POST (Power On Self Test), which is performed every time the system is powered on. Fatal errors (listed below) are usually communicated through a series of audible beeps. All errors except Beep Code 8 are fatal. Fatal errors do not allow the system to continue. If POST initializes the syst ...
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American Megatrends Enterprise-II Motherboard User's Guide 47 Beeps Error message Description 10 CMOS Shutdown Register Read/W rite E rror The shutdown register for CMOS RAM has failed. ...
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Chapter 3 - BIOS POST 48 A MIBIOS Display ed Error Messages Error message are displayed as follows: ERROR Message Line 1 ERROR Message Line 2 Press <F1> to RESUME The system does not halt if Wait for <F1> If Any Error in ADVANCED CMOS SETUP is Disabled. If a second message appears, it is usually: RUN SETUP UTILITY. Press <F1> to r ...
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American Megatrends Enterprise-II - page 57
American Megatrends Enterprise-II Motherboard User's Guide 49 Error Message Explanation replace the hard disk. Diskette B oot Failure The boot di skette in floppy drive A: is corrupt. It cannot be used to boot the system. Use another boot diskette and follow the screen instructions. Display Switch Not Proper Some systems require a video switch ...
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American Megatrends Enterprise-II - page 58
Chapter 3 - BIOS POST 50 EISA Error Messages Error Message Explanation EISA CM OS Checksum Failure The Checksum for E ISA CMOS is bad or has never been written. The battery for EISA CMOS RAM may be bad. Run the ECU. EISA CMOS inoperational Read/W ri te error in extended CMOS RAM. The battery may be bad. Expansion board not ready at Slot X, Y, Z The ...
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American Megatrends Enterprise-II - page 59
American Megatrends Enterprise-II Motherboard User's Guide 51 BIOS Configuration Summary Screen System Configuration (C) Copyright 1985-1991 American Megatrends Inc. Main Processor Numeric Coprocessor Floppy Drive A: Floppy Drive B: Display Type: ROM-BIOS Date: : 80486 : Present : 1.2 MB ½ : 1.44 MB ¼ :VGA or EGA : 05/01/91 Base Memory Size ...
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American Megatrends Enterprise-II - page 60
52 Chapter 4 AMIBIOS Setup A MIBIOS Features AMIBIOS has several features that can be accessed at any time. Keyboard Speed Switching The end use can increase processor speeds at any time by pressing <Ctrl><Alt><+>. Processor speed can be decreased by pressing <Ctrl><Alt><->. Of course, the OEM can modify these ke ...
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American Megatrends Enterprise-II - page 61
American Megatrends Enterprise-II Motherboard User's Guide 53 A MIBIOS Setup AMIBIOS Setup has two parts: · STANDARD CMOS SETUP, and · ADVANCED CMOS SETUP. STANDARD CMOS SETUP STANDARD CMOS SETUP permits the end user to configure and set system components such as floppy drives, hard disk drives, time and date, monitor type, and keyboard. ADV ...
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American Megatrends Enterprise-II - page 62
Chapter 4 - BIOS Setup 54 Section 1 Running A MIBIOS Setup A record of the computer's system parameters (such as amount of memory, disk drives, video displays, and numeric coprocessors) is stored in CMOS (Complementary Metal Oxide Semiconductor) RAM. When the computer is turned off, a back-up battery provides power to CMOS RAM, which retains t ...
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American Megatrends Enterprise-II - page 63
American Megatrends Enterprise-II Motherboard User's Guide 55 Press <Del> to run AMIBIOS Setup. ...
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American Megatrends Enterprise-II - page 64
Chapter 4 - BIOS Setup 56 A MIBIOS Setup Key Use Key stroke Ac t i o n <Esc > Returns to previous s creen. → , ← , ↑ , ↓ Move the cursor from one option to t he next. <PgUp> and <PgDn>; <Ctrl><PgUp> and <Ctrl><PgDn> Modify the default value of the opt i ons for the highli ght ed paramet er. I f ther ...
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American Megatrends Enterprise-II - page 65
American Megatrends Enterprise-II Motherboard User's Guide 57 A MIBIOS Setup Main Menu The AMIBIOS Setup Main Menu options are shown below. Each option is explained in detail in this section. Warning Message A warning is displayed every time you choose STANDARD CMOS SETUP or ADVANCED CMOS SETUP. Press any key to continue. A uto Configuration W ...
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Chapter 4 - BIOS Setup 58 Default values loaded. Press any key to continue. ...
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American Megatrends Enterprise-II Motherboard User's Guide 59 A uto Configuration With Pow er-On Defaults This option configures the default Power- On values. Power-On default values are worst-case values for system performance, but are the most stable values that can be chosen. Use this option as a diagnostic aid if the system is behaving err ...
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American Megatrends Enterprise-II - page 68
Chapter 4 - BIOS Setup 60 Section 2 STA NDA RD CMOS SETUP STANDARD CMOS SETUP is the first option on the Main Menu. Press <Enter> at the highlighted selection to display this option. The following screen appears. STA NDARD CMOS SETUP Options Date And Day Configuration Ranges for each value are shown in the lower left corner of the Screen. Mov ...
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American Megatrends Enterprise-II - page 69
American Megatrends Enterprise-II Motherboard User's Guide 61 ↓ and set the time by pressing <PgU p> and <PgDn>. ...
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American Megatrends Enterprise-II - page 70
Chapter 4 - BIOS Setup 62 STA NDARD CMOS SETUP Options, Continued Hard Disk Drive C: Hard Disk Drive D: Move the cursor to these fields via ↑ or ↓ and select a hard drive type by pressing <PgUp> and <PgDn>. The hard drive types are listed on page 64. Match the hard disk drive parameters provided by the hard disk manufacturer to a ha ...
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American Megatrends Enterprise-II - page 71
American Megatrends Enterprise-II Motherboard User's Guide 63 Parame ter Description Sectors The num ber of sectors per track. Hard drives that use MFM have 17 sectors per track. RLL drives have 26 sectors per track . ARLL and ESDI drives have 34 sectors per track . SCSI and IDE drive may have even more sectors per track. Capacity The formatte ...
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American Megatrends Enterprise-II - page 72
Chapter 4 - BIOS Setup 64 STA NDARD CMOS SETUP Options Hard Disk Drive Types Hard Disk Drive Types Type Cylinder s Heads Write Prec ompensation Lan ding Zone Sectors Siz e 1 306 4 128 305 17 10 MB 2 615 4 300 615 17 20 MB 3 615 6 300 615 17 31 MB 4 940 8 512 940 17 62 MB 5 940 6 512 940 17 47 MB 6 615 4 65535 615 17 20 MB 7 462 8 256 511 17 31 MB 8 ...
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American Megatrends Enterprise-II Motherboard User's Guide 65 Type Cylinder s Heads Write Prec ompensation Lan ding Zone Sectors Siz e 44 830 10 65535 830 17 69 MB 45 917 15 65535 918 17 114 MB 46 1224 15 65535 1223 17 152 MB 47 Enter disk dri ve param eters suppl ied by hard drive manufacturer. ...
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American Megatrends Enterprise-II - page 74
Chapter 4 - BIOS Setup 66 STA NDARD CMOS SETUP Options, Continued Floppy Drive A: Floppy Drive B: Move the cursor to these fields via ↑ or ↓ and select a drive type by pressing <PgUp> and <PgDn>. The settings are 360 KB 5¼ inch , 1.2 MB 5¼ inch , 720 KB 3½ inch , 1.44 MB 3½ inch, 2.88 MB 3½ inch, or Not Installed . Not Installe ...
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American Megatrends Enterprise-II - page 75
American Megatrends Enterprise-II Motherboard User's Guide 67 Section 3 A DVA NCED CMOS SETUP The following options are displayed on the ADVANCED CMOS SETUP screen. • Typematic Rate Programming, • Typematic Rate Delay (msec), • Typematic Rate (Chars/Sec), • Extended Memory Test, • Memory Test Tick Sound, • Memory Parity Error Check ...
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Chapter 4 - BIOS Setup 68 A warning message is displayed when ADVANCED CMOS SETUP is selected. Press any key to continue. ...
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American Megatrends Enterprise-II Motherboard User's Guide 69 A DVANCED CMOS SETUP Screen ADVANCED CMOS SETUP is shown below. Use ↑ or ↓ to scroll through the options. A DVANCED CMOS SETUP Options Typematic Rate Programming, Rate, and Delay Typematic Rate Programming enables or disables the following two options. Typematic Rate Delay (250, ...
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American Megatrends Enterprise-II - page 78
Chapter 4 - BIOS Setup 70 pressed and held down simultaneously, only the last key is repeated. Repeating stops when the last key pressed is released, even if other keys are pressed. ...
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American Megatrends Enterprise-II - page 79
American Megatrends Enterprise-II Motherboard User's Guide 71 A DVANCED CMOS SETUP Options, Continued Extended Memory Test This feature, when enabled, executes POST memory routines on the RAM above 1 MB (if present on the system). If disabled, the BIOS only checks the first 1 MB of RAM. Memory Test Tick Sound This option enables (turns on) or ...
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American Megatrends Enterprise-II - page 80
Chapter 4 - BIOS Setup 72 A DVANCED CMOS SETUP Options, Continued Hard Disk Type 47 RAM Area You can specify a user-definable hard disk type for drive C: and drive D:. The type 47 drive parameters must be entered in STANDARD CMOS SETUP (see page 66). This option specifies the type 47 data storage area – 0:300h in lower system RAM or in the top 1 ...
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American Megatrends Enterprise-II - page 81
American Megatrends Enterprise-II Motherboard User's Guide 73 Wait for <F1> If Any Error If enabled, the BIOS waits until the end user presses <F1> before continuing after an error message. If disabled, the BIOS continues after the error message. ...
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American Megatrends Enterprise-II - page 82
Chapter 4 - BIOS Setup 74 A DVANCED CMOS SETUP Options, Continued System Boot Up Num Lock Turns off Num Lock when the system is powered on so you can use the arrow keys on both the numeric keypad and the keyboard. Numeric Processor Specifies that a math coprocessor is configured in the system. The settings are Present or Absent. Floppy Drive Seek A ...
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American Megatrends Enterprise-II - page 83
American Megatrends Enterprise-II Motherboard User's Guide 75 keyboard controller, which is slow. Fast Gate A20 is an alternate method of enabling Gate A20 that permits faster switching between addresses modes. ...
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American Megatrends Enterprise-II - page 84
Chapter 4 - BIOS Setup 76 A DVANCED CMOS SETUP Options, Continued Password Checking Option This option enables the password check option every time the system boots or the end user runs Setup. If Always is chosen, a user password prompt appears every time the system is turned on. If Setup is chosen, the password prompt appears if Setup is run. See ...
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American Megatrends Enterprise-II - page 85
American Megatrends Enterprise-II Motherboard User's Guide 77 Section 4 A MIBIOS Passw ord Support AMIBIOS Setup has an optional password feature. The system can be configured so the end user must enter a password every time the system boots or when Setup is run. Changing a Password The password check option is enabled or in ADVANCED CMOS SETU ...
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American Megatrends Enterprise-II - page 86
Chapter 4 - BIOS Setup 78 A MIBIOS Passw ord Support, Continued Password Storage The password is stored in CMOS RAM after Setup completes. The next time the system boots, the end user is prompted for the password if the password function is present and has been enabled. Using a Password The end user must enter the new password when the password pro ...
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American Megatrends Enterprise-II - page 87
American Megatrends Enterprise-II Motherboard User's Guide 79 Section 5 Hard Disk Utility AMIBIOS includes three hard disk utilities: Utility Purpose Turn to Hard Disk Form at Perform s a low level form at of t he hard drive(s). Read t he s ystem or hard disk dri ve doc um entati on t o find out if t he hard di s k has been preform atted. Page ...
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Chapter 4 - BIOS Setup 80 When to Use A MIBIOS Hard Disk Utilities When Conditions Run... Installing a new hard disk. T he hard disk drive manufacturer provided a lis t of bad tracks, the system documentation includes the optimum interleave factor, and the drive is preformatted . None Installing a new hard disk. You do not have a list of bad tracks ...
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American Megatrends Enterprise-II - page 89
American Megatrends Enterprise-II Motherboard User's Guide 81 Hard Disk Format Utility Warning The Hard Disk Format utility destroys all hard disk data. Back up the data on the hard disk before running this utility. This routine does not work on IDE or SCSI drives. Use Hard Disk Format to integrate a new hard disk to the system, or to reformat ...
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American Megatrends Enterprise-II - page 90
Chapter 4 - BIOS Setup 82 Hard Disk Format Utility , Continued Answer the questions on the screen. The first two questions are already completed if only one hard disk drive was selected in Standard CMOS Setup and the cursor is on Interleave . The Disk Drive Type is read from CMOS RAM. The interleave factor can be selected manually or determined by ...
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American Megatrends Enterprise-II - page 91
American Megatrends Enterprise-II Motherboard User's Guide 83 A uto Interleav e Utility Warning The Auto Interleave utility destroys hard disk data. Back up the data on the hard disk before running this utility. The Auto Interleave utility calculates the optimum interleave factor through trial and error by measuring the transfer rate for four ...
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American Megatrends Enterprise-II - page 92
Chapter 4 - BIOS Setup 84 Menu, press <Esc>. Type Y and press <Enter> to proceed with the Auto Interleave process. A warning screen appears. Press <Enter> to return to the main Hard Disk Utility screen. To proceed, type Y and press <Enter>. ...
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American Megatrends Enterprise-II - page 93
American Megatrends Enterprise-II Motherboard User's Guide 85 Media A naly sis Utility The Media Analysis utility performs a series of tests to locate bad or damaged tracks on the hard disk as a result of aging or poor handling. This utility locates all bad tracks and lists them in the Bad Track List Box. Since this test writes to all cylinder ...
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American Megatrends Enterprise-II - page 94
Chapter 4 - BIOS Setup 86 Hard Disk Utilit y Error Messages Initialization Errors Message Expl anation No Hard Disk Installed There is no hard disk dri ve i n t he s ystem but Hard Disk Utility w as selected. FATAL ERROR Bad Hard Disk No response from t he hard disk, or t he hard disk i s not repairable. Chec k all c abl e and power connect i ons t ...
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American Megatrends Enterprise-II - page 95
American Megatrends Enterprise-II Motherboard User's Guide 87 Hard Disk Utilit y Error Messages, Continued Operation Errors Message Expl anation Address Mark Not Found The address m ark (init i al addres s) on the hard dis k could not be f ound. Attac hm ent Failed t o Respond No respons e has been received from the hard disk drive. Bad ECC on ...
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American Megatrends Enterprise-II - page 96
Appendix A - 32-bit Memory Card 88 Appendix A 32-Bit Enterprise-II Memory Card The 80486 Enterprise-II motherboard supports up to 32 MB of SIMMs on the motherboard. You can install the Series 19 32-bit Memory Card to increase 32-bit memory. All SIMM banks on the motherboard must be filled before installing a 32-bit Memory Card. Unpacking the Memory ...
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American Megatrends Enterprise-II - page 97
American Megatrends Enterprise-II Motherboard User's Guide 89 The SIMM banks on the 80486 Enterprise-II motherboard are marked BNK1 and BNK2. The SIMM banks on the 32-bit Memory Card are marked BANK3, BANK4, BANK5, and BANK6. The DIP switch (SW) on the memory board has no effect. ...
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American Megatrends Enterprise-II - page 98
Appendix A - 32-bit Memory Card 90 Installing the 32-bit Memory Card Step Act i o n 1 The mem ory card has t wo edge connectors: The 64-pi n c onnector plugs int o J 20 and the 132-pin connec t or into J21 on t he mot herboard. 2 The card has a gui de on one end. Hold the board firm ly and gently press down until t he card is in t he slot. I nstall ...
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American Megatrends Enterprise-II - page 99
American Megatrends Enterprise-II Motherboard User's Guide 91 Appendix B EISA Configuration Worksheets This appendix consists of a two-page worksheet for up to eight EISA adapter cards. Complete a worksheet for each EISA adapter card in the system to simplify the EISA configuration process. These worksheets are helpful used in conjunction with ...
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American Megatrends Enterprise-II - page 100
Appendix B - EISA Confi guration W orksheets 92 (check t he options ins talled) ...
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American Megatrends Enterprise-II - page 101
American Megatrends Enterprise-II Motherboard User's Guide 93 EISA Slot 1 Card Descript ion: __________________________________________ Manufacturer: __________________________________________ EISA Master: ___ Yes ___ No ___ 16-bit ___ 32-bit ISA Mas t er: ___ Yes ___ No ___ 8-bit ___ 16-bit Memo ry Description Space is provided below f or c o ...
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American Megatrends Enterprise-II - page 102
Appendix B - EISA Confi guration W orksheets 94 EISA Slot 1, cont'd Interrupt Descripti on Edge-Triggered Int errupt s : Interrupt l i ne us ed: ___ IRQ3 ___ IRQ4 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Share: ___ Yes ___ No Level-Triggered Int errupt s Interrupt l i ne us ed: ___ IRQ3 ___ IRQ4 ___ ...
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American Megatrends Enterprise-II - page 103
American Megatrends Enterprise-II Motherboard User's Guide 95 EISA Slot 2 Card Descript ion: __________________________________________ Manufacturer: __________________________________________ EISA Master: ___ Yes ___ No ___ 16-bit ___ 32-bit ISA Mas t er: ___ Yes ___ No ___ 8-bit ___ 16-bit Memo ry Description Space is provided below f or c o ...
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American Megatrends Enterprise-II - page 104
Appendix B - EISA Confi guration W orksheets 96 EISA Slot 2, cont'd Interrupt Descripti on Edge-Triggered Int errupt s Interrupt l i ne us ed: ___ IRQ3 ___ IRQ4 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Share: ___ Yes ___ No Level-Triggered Int errupt s Interrupt l i ne us ed: ___ IRQ3 ___ IRQ4 ___ I ...
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American Megatrends Enterprise-II - page 105
American Megatrends Enterprise-II Motherboard User's Guide 97 EISA Slot 3 Card Descript ion: __________________________________________ Manufacturer: __________________________________________ EISA Master: ___ Yes ___ No ___ 16-bit ___ 32-bit ISA Mas t er: ___ Yes ___ No ___ 8-bit ___ 16-bit Memo ry Description Space is provided below f or c o ...
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American Megatrends Enterprise-II - page 106
Appendix B - EISA Confi guration W orksheets 98 Share: ___ Yes ___ No ...
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American Megatrends Enterprise-II - page 107
American Megatrends Enterprise-II Motherboard User's Guide 99 EISA Slot 3, cont'd Interrupt Descripti on Edge-Triggered Int errupt s Interrupt l i ne us ed: ___ IRQ3 ___ IRQ4 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Share: ___ Yes ___ No Level-Triggered Int errupt s Interrupt l i ne us ed: ___ ...
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American Megatrends Enterprise-II - page 108
Appendix B - EISA Confi guration W orksheets 100 EISA Slot 4 Card Descript ion: __________________________________________ Manufacturer: __________________________________________ EISA Master: ___ Yes ___ No ___ 16-bit ___ 32-bit ISA Mas t er: ___ Yes ___ No ___ 8-bit ___ 16-bit Memo ry Description Space is provided below f or c onfigurati on i nf ...
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American Megatrends Enterprise-II - page 109
American Megatrends Enterprise-II Motherboard User's Guide 101 Share: ___ Yes ___ No ...
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American Megatrends Enterprise-II - page 110
Appendix B - EISA Confi guration W orksheets 102 EISA Slot 4, cont'd Interrupt Descripti on Edge-Triggered Int errupt s Interrupt l i ne us ed: ___ IRQ3 ___ IRQ4 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Share: ___ Yes ___ No Level-Triggered Int errupt s Interrupt l i ne us ed: ___ IRQ3 ___ IRQ4 ___ ...
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American Megatrends Enterprise-II - page 111
American Megatrends Enterprise-II Motherboard User's Guide 103 EISA Slot 5 Card Descript ion: __________________________________________ Manufacturer: __________________________________________ EISA Master: ___ Yes ___ No ___ 16-bit ___ 32-bit ISA Mas t er: ___ Yes ___ No ___ 8-bit ___ 16-bit Memo ry Description Space is provided below f or c ...
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American Megatrends Enterprise-II - page 112
Appendix B - EISA Confi guration W orksheets 104 EISA Slot 5, cont'd Interrupt Description Edge-Triggered Interrupts Interrupt line used: ___ IRQ3 ___ IRQ4 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Share: ___ Yes ___ No Level-Triggered Interrupts Interrupt line used: ___ IRQ3 ___ IRQ4 ___ IRQ5 ___ IR ...
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American Megatrends Enterprise-II - page 113
American Megatrends Enterprise-II Motherboard User's Guide 105 EISA Slot 6 Card Descript ion: __________________________________________ Manufacturer: __________________________________________ EISA Master: ___ Yes ___ No ___ 16-bit ___ 32-bit ISA Mas t er: ___ Yes ___ No ___ 8-bit ___ 16-bit Memo ry Description Space is provided below f or c ...
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American Megatrends Enterprise-II - page 114
Appendix B - EISA Confi guration W orksheets 106 Share: ___ Yes ___ No ...
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American Megatrends Enterprise-II - page 115
American Megatrends Enterprise-II Motherboard User's Guide 107 EISA Slot 6, cont'd Interrupt Description Edge-Triggered Interrupts Interrupt line used: ___ IRQ3 ___ IRQ4 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Share: ___ Yes ___ No Level-Triggered Interrupts Interrupt line used: ___ IRQ3 ___ I ...
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American Megatrends Enterprise-II - page 116
Appendix B - EISA Confi guration W orksheets 108 EISA Slot 7 Card Descript ion: __________________________________________ Manufacturer: __________________________________________ EISA Master: ___ Yes ___ No ___ 16-bit ___ 32-bit ISA Mas t er: ___ Yes ___ No ___ 8-bit ___ 16-bit Memo ry Description Space is provided below f or c onfigurati on i nf ...
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American Megatrends Enterprise-II - page 117
American Megatrends Enterprise-II Motherboard User's Guide 109 Share: ___ Yes ___ No ...
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American Megatrends Enterprise-II - page 118
Appendix B - EISA Confi guration W orksheets 110 EISA Slot 7, cont'd Interrupt Descripti on Edge-Triggered Int errupt s Interrupt l i ne us ed: ___ IRQ3 ___ IRQ4 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Share: ___ Yes ___ No Level-Triggered Int errupt s Interrupt l i ne us ed: ___ IRQ3 ___ IRQ4 ___ ...
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American Megatrends Enterprise-II - page 119
American Megatrends Enterprise-II Motherboard User's Guide 111 EISA Slot 8 Card Descript ion: __________________________________________ Manufacturer: __________________________________________ EISA Master: ___ Yes ___ No ___ 16-bit ___ 32-bit ISA Mas t er: ___ Yes ___ No ___ 8-bit ___ 16-bit Memo ry Description Space is provided below f or c ...
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American Megatrends Enterprise-II - page 120
Appendix B - EISA Confi guration W orksheets 112 EISA Slot 8, cont'd Interrupt Descripti on Edge-Triggered Int errupt s Interrupt l i ne us ed: ___ IRQ3 ___ IRQ4 ___ IRQ5 ___ IRQ6 ___ IRQ7 ___ IRQ9 ___ IRQ10 ___ IRQ11 ___ IRQ12 ___ IRQ14 ___ IRQ15 Share: ___ Yes ___ No Level-Triggered Int errupt s Interrupt l i ne us ed: ___ IRQ3 ___ IRQ4 ___ ...
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American Megatrends Enterprise-II - page 121
American Megatrends Enterprise-II Motherboard User's Guide 113 ...
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American Megatrends Enterprise-II - page 122
Appendix B - EISA Confi guration W orksheets 114 Appendix C Heat Dissipation The 50 MHz 80486DX and 66 MHz 80486DX2 are very high performance CPUs that can rival the performance of any currently available CPU, including RISC processors. However, there is an undesirable side effect to the high performance — the heat generated by high power consump ...
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American Megatrends Enterprise-II - page 123
American Megatrends Enterprise-II Motherboard User's Guide 115 Heat Dissipation, Continued Test Procedure to Assure Proper Operating Temperatures: 1. Install the American Megatrends motherboard or CPU card in a fully loaded system. 2. Install a temperature sensor (such as a thermocouple) so that the surface of the heat sink can be measured wit ...
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American Megatrends Enterprise-II - page 124
Appendix C Heat Dissipation 116 • Different case styles may have better ventilation allowing for more air-flow over the CPU. ...
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American Megatrends Enterprise-II - page 125
American Megatrends Enterprise-II Motherboard User's Guide 117 Index 8042 - Gate A20 Failure 40 80486SX 2 80487SX 2 Above 1 MB Memory Tes t 57 Adapter Card 16-Bit Card P i nout 33 32-Bit E I SA Card Pinout 33, 35 8-Bit P i nout 32 ADVANCED CMOS SETUP 55 , 59 Above 1 MB Memory Tes t 57 Fast Gate A 20 Opt ions 59 Floppy Drive Seek A t Boot 59 Hi ...
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American Megatrends Enterprise-II - page 126
Index 118 Index, Continued Connectors J13 Speak er Connec tor 27 J14 Keyboard Loc k 27 J17 Reset B utton Connect or 26 J18 Turbo Switch 27 J19 Turbo LED 28 J3 Keyboard Connec t or 25 J6 Mouse Connect or 25 J7 Keyboard Connec t or 25 J8 Floppy Dis k Connector 28 Coprocess ors Instal l i ng 19 EGA Adapt ers 12 EISA Adapter Card Pinout 33, 35 EISA Con ...
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American Megatrends Enterprise-II - page 127
American Megatrends Enterprise-II Motherboard User's Guide 119 Index, Continued Keyboard 54 J7 Connect or 25 Lock Connec t or 27 Process or Speed Switchi ng 45 Layout 10 Manufacturing Tes t Port 39 Mar k Bad Tracks 6 7 Media Analysi s 63 Medi a Analysis Utility 68 Mem ory Ins t al l at ion 15 Memory Card 71 Memory Configurat ions 72 Unpacking ...
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American Megatrends Enterprise-II - page 128
Index 120 Index, Continued Setup 45 A uto Configurat i on 49 Auto Confi gurat ion, BIOS Defaults 49 Auto Confi gurat ion, Power-On Defaults 50 Fast Gate A 20 59 Key Usage 48 Main Menu 49 Running Setup 47 Typemat i c Rate Delay and Typem at ic Rate 56 W arning Message 49 W arning Screen 55 SI MMs 15 Instal l i ng 16 Part num bers 16 Select i ng 15 S ...
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