Intel 815 Manuel D’Utilisation
Intel® 815 Chipset: Graphics Controller PRM, Rev 1.0
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8.
Frame Buffer Access
The VGA frame buffer is located at A000h-BFFFh. This is the standard VGA frame buffer address.
The physical location of the frame buffer is at the top of main memory. The size can either be 512 KB or
1 MB. This is selected in the SMRAM register, which is documented in the Initialization Registers
section of this document.
1 MB. This is selected in the SMRAM register, which is documented in the Initialization Registers
section of this document.
The frame buffer is not stored in local memory, but it is taken from the top of main memory, as described
in the SMRAM register description.
in the SMRAM register description.