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Technical Reference Manual Hardware and BIOS HP Vectra VL 5/xx series 4 PC and HP Vectra VL 5/xx MT series 4 PC December 1995 NOTICE Information contained in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential da
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  Technical ReferenceManualHardware and BIOS HP Vectra VL 5/xx series 4 PCandHP Vectra VL 5/xx MT series 4 PC December 1995  NOTICE Information contained in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with regard to this material, including,but not limited to, the implied warranties of merchantability and fitness for a particularpurpose. Hewlett-Packard shall not be liable for errors contained herein or for incidentalor consequential damages in connection with the furnishing, performance, or use ofthis material. Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequentialdamages in connection with the furnishing, performance, or use of this material.Hewlett-Packard assumes no responsibility for the use or reliability of its software on equipmentthat is not furnished by Hewlett-Packard.This document contains proprietary information which is protected by copyright. All rights arereserved. No part of this document may be photocopied, reproduced, or translated into anotherlanguage without the prior written consent of Hewlett-Packard Company.Centronics® is a U.S. registered trademark of Centronics Data Computer Corporation.LANManager, Microsoft Windows, Windows 95 and OS/2 are products of MicrosoftCorporation.Microsoft® and MS-DOS® are registered trademarks of Microsoft Corporation.Novell® and Netware® are registered trademarks of Novell Inc.Pentium™ is a trademark of Intel Corporation. ©1995 Hewlett-Packard Company  Table of Contents NOTICE 2PREFACE 5ORDERING INFORMATION FOR THE PHOENIX BIOS MANUAL 5CONVENTIONS 5BIBLIOGRAPHY 6 1 SYSTEM OVERVIEW7 SYSTEM OVERVIEW 7HP VECTRA VL 5/XX SERIES 3 – VL 5/XX SERIES 4 COMPARISON 7HP VECTRA VL 5/XX SERIES 4 DESKTOP – MINI-TOWERCOMPARISON 8VL 5/XX SERIES 4 PC BLOCK DIAGRAM 9PRINCIPAL COMPONENTS AND FEATURES 9VL 5/XX SERIES 4 SYSTEM BOARD 10VL 5/XX MT SERIES 4 DESKTOP BACKPLANE 11VL 5/XX MT SERIES 4 MINI-TOWER BACKPLANE 11PROCESSOR 11SUPERSCALAR ARCHITECTURE 12FLOATING POINT UNIT (FPU) 12DYNAMIC BRANCH PREDICTION 12INSTRUCTION AND DATA CACHE 12DATA INTEGRITY 13PCI CHIP SET 13PCI, CACHE AND MEMORY CONTROLLER (82437FX) 14DATA PATH UNIT (82438FX) 15THE PCI/ISA BRIDGE AND IDE CONTROLLER (82371FB) 15THE 82438FX AND 82371FB FEATURE SUMMARY 16SUPER I/O CHIP 17NS PC87332VF FEATURE SUMMARY 17FLEXIBLE DRIVE CONTROLLER (FDC) 17SERIAL/PARALLEL PORTS 18GRAPHICS/INTEGRATED VIDEO 18IDE TO PCI CONTROLLER 19FLASH ROM 19SECURITY FEATURES 19PHYSICAL CHARACTERISTICS 19ELECTRICAL SPECIFICATIONS 20POWER AVAILABILITY (CONTINUOUS OPERATION): 20ENVIRONMENTAL SPECIFICATIONS 21 2 SUMMARY OF THE HP/PHOENIX BIOS22 HP/PHOENIX BIOS DESCRIPTION 22OVERVIEW OF ADDRESS SPACE 22I/O ADDRESSES USED BY THE SYSTEM* 22BIOS I/O PORT MAP 23  ADDRESSING SYSTEM BOARD COMPONENTS 24 3 DESKTOP MANAGEMENT INTERFACE26 DMI INFORMATION STRUCTURE 26ACCESSING BIOS DMI INFORMATION 27THE DMI HEADER 28VERIFYING THE DMI INFORMATION STRUCTURE 28DMI SUB-STRUCTURE TABLES 29 4 POWER-ON SELF-TESTS AND ERROR MESSAGES32 POWER-ON SELF TEST (POST) 32SHADOW RAM 32ERROR MESSAGES 34BEEP CODES 36 5 THE ULTRA VGA VIDEO CONTROLLERS37 THE MATROX MGA MILLENNIUM VIDEO ADAPTER BOARD 37VIDEO MEMORY 37AVAILABLE VIDEO RESOLUTIONS 37VESA CONNECTOR 38FURTHER INFORMATION 38THE INTEGRATED ULTRA VGA VIDEO CONTROLLER 38VIDEO MEMORY 39VIDEO MODES 39AVAILABLE BIOS VIDEO RESOLUTIONS 42VESA CONNECTOR 43DB15 CONNECTOR PINOUT 43VIDEO CONTROLLER SUMMARY 43
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