MSI CX700D - Manual (Page 49)

3-9
BIOS Setup
Advanced Chi pset Features
AGP & P2P Bridge Control
VGA Share Memory Size
The system shares memory to the onboard VGA card. This setting controls
the exact memory size shared to the VGA card.
Direct Frame Buffer
When [Enabled], a fixed VGA frame buffer from A000h to BFFFh and a CPU-
to-PCI write buffer are implemented.