MSI 661FM Series User Manual page 52

MS-6540G Micro ATX Mainboard
AGP & P2P Bridge Control
Press <Enter> and the following sub-menu appears:
AGP Aperture Size
This setting controls just how much system RAM can be allocated to
AGP for video 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.
The option allows the selection of an aperture size of 32MB, 64MB, 128MB,
256MB, 512MB.
AGP Fast Write
This option enables or disables the AGP Fast Write feature. The Fast
Write technology allows the CPU to write directly to the graphics card
without passing anything through the system memory and improves the
AGP 4X speed.
AGP Data Rate
This option allows you to specify the transferring data rate of AGP. Setting
options: Auto, 1X, 2X, 4X.
OnChip AGP Control
Press <Enter> and the following sub-menu appears:
VGA Shared Memory Size
Specify the size of system memory to allocate for video memory, from 16
to 128 MB.
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