HP Vectra XU5 User manual
Vectra XU Technical Reference Introduction •• 1
Vectra XU Hardware and BIOS Technical Reference
Manual
Trademarks
Printed Manual Information
Introduction
Preface
Conventions
Ordering Information for the Phoenix BIOS Manual
Bibliography
System Overview
Introduction
PCI Local Bus Architecture
System Block Diagram
Principal Components and Features
System Board
Processor
Superscalar Architecture
Floating Point Unit (FPU)
Dynamic Branch Prediction
Instruction and Data Cache
Data Integrity
PCI Chip Set
PCI, Cache, and Memory Controller (PCMC)
Local Bus Accelerator (LBX)
The PCI/ISA Bridge (PCEB and ESC)
Super I/O Chip Set
Flexible Drive Controller (FDC)
Serial/Parallel Ports
Graphics/Integrated Video
Video Controller
Video Clock Generator
Video Resolutions Supported
PCI LAN/SCSI-2 Controller
IDE to PCI Controller
Flash ROM
Security Features
System Specifications
Physical Characteristics
Electrical Specifications
Environmental Specifications
Summary of the HP BIOS
Overview
Overview of Address Space
I/O Addresses Used by the System
System Memory Map
Vectra XU Technical Reference Introduction •• 2
Product Identification
Machine Capability and Extension of Capability Markers
BIOS Version Number
Year of the ROM BIOS Release
Week of the ROM BIOS Release
HP BIOS I/O Port Map
Addressing System Board Components
Interrupt Controllers
PCI Interrupt Request Lines
The Integrated Ultra VGA Controller
Overview
Video Memory
Video Modes
Energy Saving Screen Blanking
Supported Enhanced Video Modes
VESA Connector
Power-On Self Tests
Overview
Power-On Self Test (POST)
Shadow RAM
Error Codes
Vectra XU Technical Reference Introduction •• 3
Trademarks
Centronics® is a registered trademark of Centronics
Data Computer Corporation.
Microsoft® and MS-DOS® are U.S. registered trademarks
of Microsoft Corporation.
LANManager, Microsoft Windows and OS/2 are products
of Microsoft Corporation.
Novell® and NetWare® are U.S. registered trademarks
of Novell, Inc.
Pentium™ is a trademark of Intel Corporation.
Vectra XU Technical Reference Introduction •• 4
Printed Manual Information
Printed in France, April 1995
HP Part Number D3080-90911, Edition 2
Vectra XU Technical Reference Introduction •• 5
Introduction
Vectra XU Technical Reference Introduction •• 6
Preface
This manual is a technical reference and BIOS document for engineers and technicians who
provide system level support, or who are engaged in the design of system-compatible
products. It is assumed that the reader possesses a fairly detailed understanding of AT-
compatible microprocessor functions and digital addressing techniques.
Technical information that is readily available from other sources, such as manufacturer's
proprietary publications, has not been reproduced.
For additional reference material, refer to the bibliography.
This manual contains summary BIOS information only. For detailed information, we
recommend the reference work cited in the next section.
Vectra XU Technical Reference Introduction •• 7
Conventions
The following conventions are used throughout this manual to identify specific elements:
•Hexadecimal numbers are identified by a lower case h.
For example, 0FFFFFFFh or 32F5h
•Binary numbers and binary bit patterns are identified by a lower case b.
For example, 11101b or 1001011b
Vectra XU Technical Reference Introduction •• 8
Ordering Information for the Phoenix BIOS Manual
System BIOS for IBM PCs, Compatibles, and EISA Computers (ISBN 0-201-57760-7) by
Phoenix Technologies is available in many bookstores. It can also be ordered directly from
the publisher as follows:
In the U.S.A.
Call Addison-Wesley in Massachusetts at +1-800-447-2226, and be prepared to give a
credit card number and expiry date.
In Europe
Send a request to:
Addison-Wesley
Concertgebouwplein 25
1071 LM Amsterdam, The Netherlands
Tel.: +31 (20) 671 72 96
Fax: +31 (20) 675 21 41
Vectra XU Technical Reference Introduction •• 9
Bibliography
•Vision864 GUI Accelerator© S3 Incorporated, 2770 San Tomas Expressway, Santa
Clara, CA 95051-0981
•Am79C960 PCnet-ISA, Single-Chip Ethernet Controller for ISA™ Advanced Micro
Devices, Incorporated
•System BIOS for IBM PCs, Compatibles, and EISA Computers (ISBN 0-201-57760-7)
by Phoenix Technologies. Addison-Wesley (publisher)
The following Hewlett Packard publications may also assist the reader of this manual.
•HP Vectra XU PC Setting Up Your PC and Getting Started manuals
(D3080B xxxxx, where xxxxx is the language option)
•HP Vectra XU PC Familiarization Guide (D308xA+49A+90001)
•HP Vectra PC Service Handbook (5963-6104)
The following Intel® publications provide more detailed information:
•PENTIUM Processor (241595-1)
•82430 PCIset for the PENTIUM Processor (290481-001)
•82424TX Cache and DRAM Controller (290471-001)
•82423TX Data Path Unit (290472-001)
•823781B System I/O (290473-001)
Vectra XU Technical Reference System Overview •• 10
System Overview
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