Dynamic video memory technology allows dynamic allocation of system memory for use as video memory to ensure the most efficient use of available resources for maximum 2D/3D graphics performance.
You can also adjust the settings in the BIOS Peripherals Menu:
Internal Graphics Memory Size
Allows you to set the onboard graphics memory size. Options are: 32M~1024M. (Default: 64M)
DVMT Total Memory Size
Allows you to allocate the DVMT memory size of the onboard graphics. Options are: 128M, 256M, MAX.
(Default: MAX)