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49 Chapter 5
tion, which uses Direct AGP to request allocation of additional memory
for 3D applications, and returns the memory to the operating system
when no longer required.
The Intel Extreme Graphics Driver determines the size of the pre-allo-
cated memory needed and will make additional Non-Local Video Mem-
ory requests to achieve the amount needed for the display and application
requirement. The video memory size in the Intel(R) 845G/GL chipset
varies and is determined using several factors. The key factors are system
resources and system activity. The maximum video memory is up to
64MB SDRAM
5.3 Installation
1. Insert the driver CD into your system's CD-ROM drive. In a few
seconds, the software installation main menu appears, as shown in the
following figure. Under the "VGA DRIVERS" heading, click on one of
the buttons (labeled "WIN9X," "WIN2000," and "WINNT40" respec-
tively) according to the operating system you are using. The following
installation procedure is for Windows 2000. For other operating systems,
please follow the on-screen installation guide
Note: Before installing this driver, make sure the CSI
utility has been installed in your system. See
Chapter 4 for information on installing the CSI
utility