American Megatrends MAN-759 manual Revision History

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© Copyright 1997 American Megatrends, Inc. All rights reserved.

American Megatrends, Inc.

6145F Northbelt Parkway Norcross, GA 30071

This publication contains proprietary information which is protected by copyright. No part of this publication may be reproduced, transcribed, stored in a retrieval system, translated into any language or computer language, or transmitted in any form whatsoever without the prior written consent of the publisher, American Megatrends, Inc.

Limited Warranty

Buyer agrees if this product proves to be defective, that American Megatrends, Inc. is only obligated to replace or refund the purchase price of this product at American Megatrend's discretion according to the terms and conditions on the motherboard warranty card. American Megatrends shall not be liable in tort or contract for any loss or damage, direct, incidental or consequential. Please see the Warranty Registration Card shipped with this product for full warranty details.

Limitations of Liability

In no event shall American Megatrends be held liable for any loss, expenses, or damages of any kind whatsoever, whether direct, indirect, incidental, or consequential, arising from the design or use of this product or the support materials provided with the product.

Trademarks

VESA is a registered trademark of the Video Electronics Standards Association.

Intel, Pentium. Pentium Pro, and Pentium II are registered trademarks of Intel Corporation.

MS-DOS, Microsoft Word, and Microsoft are registered trademarks of Microsoft Corporation. Microsoft Windows, Windows NT, and Windows 95 are trademarks of Microsoft Corporation.

IBM, AT, XT, CGA, VGA, PS/2, OS/2, and EGA are registered trademarks of International Business Machines Corporation.

Fujitsu is a registered trademark of Fujitsu America, Inc. Motorola is a registered trademark of Motorola Corporation. Hitachi is a registered trademark of Hitachi America, Ltd. PNY is a registered trademark of PNY Corporation.

Oki is a registered trademark of Oki America, Inc. NEC is a registered trademark of NEC Corporation.

Samsung is a registered trademark of Samsung Electronics Corporation. Siemens is a trademark of Siemens Corporation.

Mitsubishi is a registered trademark of Mitsubishi Electronics of America. Micron is a registered trademark of Micron Corporation.

SCO, Unix, and UnixWare are registered trademarks of the Santa Cruz Operation, Inc. Toshiba is a registered trademark of Kabushiki Kaisha Toshiba.

All other brand and product names are trademarks or registered trademarks of their respective companies.

Revision History

7/3/97 Initial release.

iiPegasus PCI Motherboard User’s Guide

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Contents Pegasus Pentium PCI ISA Motherboard Revision History Preface Packing List Phone Number CharacteristicsAmerican Megatrends BBS CPU External Clock Frequency PCI Expansion Slot Frequency OverviewCPUs Pegasus PCI Dimensions Pegasus PCI Motherboard Layout Step Action Unpack the MotherboardAvoid Static Electricity Configure CPU Speed J16 J17 J18 J19 J21 J22J12 Configure CPU VoltageCore CPU Voltage J5 and J15 Setting Install Voltage Regulator Manufacturer Part Number AMI Part NumberConnect CPU Fan Install CPU Install MemoryType Manufacturer Part Number Parameter SpecificationSimm Part Numbers Install the Motherboard Connector Attach CablesAttach Cables Pin Description P2 PinoutP1 Pinout P3 Pinout Cmos Drain J29 SettingP14 Pinout Pin Assignments Pin Ground Keyboard Lock Kbdinh VCC Pin Signal Description Connect I/OSTROBE# Connect I/O Pin Use J4 Floppy Connector PinoutTwist in Floppy Cable Connect I/O Connect I/O KEY N/C REQ Install Drivers Pegasus drivers includeTest and Configure Hardware Installation Page Winbios Setup Keystroke Action Using a Mouse with Winbios SetupUsing the Keyboard with Winbios Setup Winbios Setup Menu Winbios Setup Windows See SectionSetup Standard SetupDrive Type How to Configure ScsiParameter Description Hard Disk Drive Types 152 MBAdvanced Setup Optional option ROM messages are not displayed Setting DescriptionAny optional option ROM messages are displayed Advanced Setup Optimal and Fail-Safe default settings are Disabled Cont’d Advanced Setup Disabled Optimal and Fail-Safe default settings are Disabled Chipset Setup Advanced Power Management APM option to Power Management APM to Enabled and set the powerChipset Setup Chipset Setup Power Management Setup Power Management Setup Power Management Setup IRQ3 IRQ4 IRQ5 IRQ7 IRQ9 IRQ10 IRQ11 IRQ12 IRQ15 PCI/PnP Setup VGA Palette ActionPCI/PnP Setup IRQ3 IRQ4 IRQ5 IRQ7 IRQ9 IRQ10 IRQ11 IRQ12 IRQ14 IRQ15 DMA Channel Peripheral Setup Offboard PCI IDE Primary IRQ Peripheral Setup Peripheral Setup EPP Amibios Password Support SecuritySetting a Password Changing a Password Anti-VirusUtility Fail-Safe OriginalOptimal Programming Flash ROM Programming the Flash EpromProgramming the Flash ROM Number Description Bootblock Code Checkpoint Codes Code DescriptionDeleting a Password Avoid Static Electricity Component Engineering SpecificationsFrequency Heat Airflow Temperatur Sink Over CPU Over other