HP Kayak XU Product manual

Technical Reference Manual
Hardware and BIOS
HP Kayak XU PC Workstation

Notice
The 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 damages 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 equipment that is not furnished by Hewlett-Packard.
This document contains proprietary information that is protected by copyright.
All rights are reserved. No part of this document may be photocopied,
reproduced, or translated to another language without the prior written consent
of Hewlett-Packard Company.
Adaptec®, ArrayConfigTM, AROTM and RAIDportTM are trademarks of Adaptec
Incorporated.
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Microsoft Corporation.
Windows NT® is a registered trademark of Microsoft Corporation.
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PentiumTM and AGPsetTM are trademarks of Intel Corporation.
SCSISelectTM is a trademark of Adaptec Incorporated.
SoundBlasterTM is a trademark of Creative Technology Limited.
Hewlett-Packard France
Performance Desktop Computing Operation
38053 Grenoble Cedex 9
France
1997 Hewlett-Packard Company

iii
Preface
This manual is a technical reference and BIOS document for engineers and
technicians providing system level support. It is assumed that the reader
possesses a 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.
This manual contains summary information only. For additional reference
material, refer to the bibliography on the next page.
Conventions
The following conventions are used throughout this manual to identify
specific numeric elements:
❒Hexadecimal numbers are identified by a lower case h.
For example, 0FFFFFFFh or 32F5h
❒Binary numbers and bit patterns are identified by a lower case b.
For example, 1101b or 10011011b
Bibliography
❒HP Kayak XU PC Workstation User’s Guide manual (D4700-90001).
❒HP Kayak XU PC Workstation Familiarization Guide (D4700-90901).
❒HP Kayak PC Workstation Service Handbook - 1st edition.
❒XU Drivers and Documentation CD-ROM (5011-3869).
The following Intel®publication provides more detailed information:
❒Pentium II Processor (on-line at http:\\www.intel.com)

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System Overview
External Features
Specifications
Hardware Control Panel
Documentation
Topic

Contents
v
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Conventions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Bibliography. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
How to use this online guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
1 System Overview
External Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Internal Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Specifications and Characteristic Data . . . . . . . . . . . . . . . . . . . . . . . . 3
Hardware Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Physical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Environmental Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Where to Find the Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 System Board
System Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Architectural View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Chip-Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
The PAC Chip (440LX). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
The PIIX4, PCI/ISA Bridge Chip (82371SB) . . . . . . . . . . . . . . . . . . . . . . 13
Devices on the Processor-Local Bus . . . . . . . . . . . . . . . . . . . . . . . . . 15
Intel Pentium II Microprocessor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15