User's Manual

BIOS Setup
3-11
The Advanced Chipset Features menu is used for optimizing the chipset
functions.
Advanced Chipset Features
Note: Change these settings only if you are familiar with the chipset.
AGP Aperture Size
This setting controls how much memory space can be allocated to
AGP for display purposes. The aperture is a portion of the PCI
memory address range dedicated to graphics memory address
space. Host cycles that hit the aperture range are forwarded to the
AGP without any translation. Settings: 4MB, 8MB, 16MB, 32MB,
64MB, 128MB, and 256MB.
AGP Driving Control
The setting is used to adjust AGP driving force. Selecting Manual
allows you to type a AGP driving force in AGP Driving Value. It is
strongly suggested to select Auto to avoid causing system errors.
Settings: Auto and Manual.
CPU to PCI POST Write
When Enabled, CPU can write up to four words of data to the PCI
write buffer before CPU must wait for PCI bus cycle to finish. If
Disabled, CPU must wait after each write cycle until PCI bus sig-
nals that it is ready to receive more data. Settings: Enabled and
Disabled.