Memory Hole; Agp Aperture Size; Integrated Peripherals - Advantech PCA-6005 User Manual

Full-sized pci-bus socket 478 pentium 4/celeron processor-based cpu card

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3.5.4 Memory Hole

In order to improve performance, certain space in memory is reserved for

ISA cards. This memory must be mapped into the memory space below

16MB. The Choice: 15M-16M, Disabled.

Select the size of Accelerated Graphics Port (AGP) aperture. The aperture

is a portion of the PCI memory address range dedicated for graphics

memory address space. Host cycles that hit the aperture range are for-

warded to the AGP without any translation. The Choice: 4M, 8M, 16M,

32M, 65M, 128M, 256M.

Figure 3.4: Integrated peripherals

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