Technical Reference Guide
Compaq Deskpro EP Series of Personal Computers
First Edition–- April 1998
4-1
Chapter 4
SYSTEM SUPPORT
4.
Chapter 4 SYSTEM SUPPORT
4.1
INTRODUCTION
This chapter covers subjects dealing with basic system architecture and covers the following
topics:
♦ PCI bus overview (4.2) page 4-2
♦ AGP bus overview (4.3) page 4-11
♦ ISA bus overview (4.4) page 4-16
♦ System clock distribution (4.5) page 4-28
♦ Real-time clock and configuration memory (4.6) page 4-29
♦ I/O map and register accessing (4.7) page 4-46
♦ System management (4.8) page 4-50
This chapter covers functions provided by off-the-shelf chipsets and therefore describes only basic
aspects of these functions as well as information unique to the Compaq Deskpro EP Series of
Personal Computers. For detailed information on specific components, refer to the applicable
manufacturer’s documentation.
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