ECS 661FX-M Deluxe, Manual, Page: 29 / 42

24 24 24 24 24
Using BIOS
from the same (non-page mode) DRAM. Techniques such as memory
interleaving, or use of Page Mode DRAM are often used to avoid this delay.
Some chipsets require this parameter in order to set up the memory configuration
properly. The RAS Precharge value is typically about the same as the RAM
Access (data read/write) time.
RAS to CAS Delay (tRCD) (3T)
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.
f
AGP & P2P Bridge Control
Scroll to this item and press <Enter> to view the following screen:
Press <Esc> to return to the Advanced Chipset Features screen.
AGP Aperture Size (128MB)
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)
This item determines whether the graphic windows base address is valid or not.
AGP Fast Write Support (Disabled)
This item enables and disables AGP Fast Write Support.
AGP Data Rate (Auto)
This item allows you to control AGP card data transfer rate.
f
OnChip AGP Control
Scroll to this item and press <Enter> to view the following screen:
Press <Esc> to return to the Advanced Chipset Features screen.
VGA Share Memory Size (32 MB)
This item shows the VGA memory size borrowed from main memory capacity.
In this case, 32MB is borrowed, which in the meanwhile the same the main
memory loses.
Press <Esc> to return to the Advanced Chipset Features screen.