Table of Contents
Advertisement
Chapter 4: BIOS
Processor Serial Number
Intel included a serial number in their Pentium III processors as a unique system
identifier. For privacy reasons, you can disable this setting to prevent the release
of this identifier. The settings for this option are Enabled or Disabled .
C000 Shadow (16K)
C400 Shadow (16K)
C800 Shadow (16K)
CC00 Shadow (16K)
D000 Shadow (16K)
D400 Shadow (16K)
D800 Shadow (16K)
DC00 Shadow (16K)
These options specify how the 32 KB of video ROM at C0000h (or
D0000h) is treated.
The settings are: Disabled , Enabled or Cached/WP .
When set to Disabled, the contents of the video ROM are not copied to
RAM. When set to Enabled, the contents of the video ROM area from
C0000h-C7FFFh (or D0000h-D7FFFh) are copied (shadowed) from ROM to
RAM for faster execution. When set to Cached/WP , the contents of the
video ROM area from C0000h-C7FFFh (or D0000h-D7FFFh) are copied
from ROM to RAM, and can be written to or read from cache memory.
Advanced Chipset Setup
USB Function
The settings for this option are Enabled or Disabled . Set this option to
Enabled to enable the USB (Universal Serial Bus) functions.
USB KB/Mouse Legacy Support
The settings for this option are Keyboard, Auto, Keyboard+Mouse or Dis-
abled .
CPU Speed
This option allows you to change the CPU speed. The first number
shows the CPU Core/Bus ratio and the following two list the resulting
CPU speeds at 133 and 100 MHz front side bus speeds, respectively .
Rambus Channel Frequency
This option determines the Rambus bus speed. Settings are 400 MHz
and 356 MHz .
4-9
Advertisement
Table of Contents
