Via EPIA-MII12000G User Manual - Page 47
AGP Aperture Size, AGP Mode Internal
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ADVANCED CHIPSET FEATURES BIOS Setup The Advanced Chipset Features menu is used for optimizing the chipset functions. Caution: Do not change these settings unless you are familiar with the chipset. AGP Aperture Size This setting controls how much memory space 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. Settings: 4MB, 8MB, 16MB, 32MB, 64MB, 128MB and 256MB AGP Mode (Internal) This mainboard supports the AGP 4x interface. When the AGP 4x video card is used, it can transfer video data at 1066MB/s. AGP 4x is backward-compatible, leave the default 4x mode on if unsure. When set to 1x mode, the maximum transfer rate it at 266MB/s, and 2x mode transfers data at 533MB/s. AGP8x mode can be detected automatically once you plug in the AGP8x card. Settings: 4X, 2X and 1X 39