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Technical Reference Guide
Chapter 8
SYSTEM BIOS
8.Chapter 8 SYSTEM BIOS
8.1INTRODUCTION
The Basic Input/Output System (BIOS) of the computer is a collection of machine language programs stored as firmware in
♦Windows 95, 98SE, 2000, XP Home, XP Professional, and Mandrake Linux 8.2
♦Windows NT 4.0 (SP6 required for PnP support)
♦OS/2 ver 2.1 and OS/2 Warp
♦SCO Unix
♦DMI 2.1
♦Intel Wired for Management (WfM) ver. 2.2
♦
♦ACPI and OnNow
♦SMBIOS 2.3.1
♦PC98/99/00 and NetPC
♦BIOS Boot Specification 1.01
♦Enhanced Disk Drive Specification 3.0
♦“El Torito” Bootable
♦ATAPI Removeable Media Device BIOS Specification 1.0
The BIOS firmware is contained in a flash ROM component. The runtime portion of the BIOS resides in a 128KB block from E0000h to FFFFFh.
This chapter includes the following topics:
♦ | ROM flashing (8.2) | page |
♦ | Boot functions (8.3) | page |
♦ | Setup utility (8.4) | page |
♦ Client management functions (8.5) | page | |
♦ Power management functions (8.6) | page | |
♦ USB legacy support (8.7) | page |
Compaq D315 and hp d325 Personal Computers
Featuring the AMD Athlon XP Processor
Second Edition – April 2003