| 摘要 |
PROBLEM TO BE SOLVED: To provide the computer system which has a core logic chipset functioning as an accelerated graphics port(AGP) bus device and a bridge between a host processor and a computer system memory. SOLUTION: The core logic chipset remaps virtual memory addresses that an AGP graphics controller uses to physical memory addresses positioned in the computer system memory by using a GART(graphics address remapping table). With the GART table, the AGP graphics controller operates in contiguous virtual memory address spaces, but texture, a command list, etc., can be stored by using noncontiguous blocks, i.e., pages of the physical system memory actually. |
