Intel SG-81 - Manual (Page 36)

3-12 Chapter 3
RAS to CAS Delay (tRCD):
This is the amount of time a CAS is performed after a RAS. The lower the better, but
some DRAM does not support low figures.
Press <Esc> to return to the Advanced Chipset Features page.
AGP & P2P Bridge Control
Scroll to this item and press <Enter> to view the following screen:
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.
Graphic Window WR Combin (Enabled)
Use this item to enable or disable CPU support for WR Combin feature.
AGP Fast Write Support (Disabled)
This item lets you enable or disable the caching of display data for the video memory
of the processor.
SG-80 Series