Compaq Deskpro ap230 Hardware Reference Manual page 47

Computer Setup
Heading
Advanced*
(continued)
Support for Computer Setup options may vary depending on your specific hardware configuration.
* These options should be used by advanced users only.
B-14 Computer Setup
Continued
Option
Bus Options
Device Options
PCI VGA Configuration
Description
Allows you to enable or disable:
PCI bus mastering, which allows a PCI device to
take control of the PCI bus
PCI VGA palette snooping, which sets the VGA
palette snooping bit in PCI configuration space;
this is only needed with more than one graphics
controller installed
PCI SERR# Generation.
Allows you to set:
Printer mode (bi-directional, EPP & ECP, output
only)
Num Lock state at power-on (off/on)
PME (power management event) wakeup
events (enable/disable)
Processor cache (enable/disable)
Processor Number (enable/disable) for Pentium
III processors.
ACPI S3 support (enable/disable). S3 is an
ACPI (advanced configuration and power
interface) sleep state that some add-in hardware
options may not support.
AGP Aperture size (options vary depending on
platform) allows you to modify the size of your
AGP aperture size window.
Appears only if there are multiple PCI video adapters
in the system. Allows users to specify which VGA
controller will be the "boot" or primary VGA controller.