abit bg-72 Manual De Usuario
3-14 Chapter
3
DRAM RAS# Precharge
Select the number of CPU clocks allocated for the Row Address Strobe (RAS#) signal
to accumulate its charge before the DRAM is refreshed. If insufficient time is allowed,
refresh may be incomplete and data lost.
to accumulate its charge before the DRAM is refreshed. If insufficient time is allowed,
refresh may be incomplete and data lost.
Turbo Mode
This item allows you to speed up the external clock by approximately 2.5%. This
feature is used to verify the design flexibility. It is a very important tool for test units
to verify CPU stability.
feature is used to verify the design flexibility. It is a very important tool for test units
to verify CPU stability.
Command Pre Clock
Leave this item at Auto to enhance the system performance.
Memory Frequency For
This item allows you to set the frequency for memory modules.
System BIOS Cacheable
This item allows the system to be cached in memory for faster execution. Enable this
item for better performance.
item for better performance.
Video BIOS Cacheable
These items allow the video BIOS and RAM to be cached in memory for faster
execution. Enable these items for better performance.
execution. Enable these items for better performance.
Delayed Transaction
The chipset has an embedded 32-bit posted write buffer to support delayed transaction
cycles. Enable this item to support compliance with PCI specification version 2.1.
cycles. Enable this item to support compliance with PCI specification version 2.1.
AGP Aperture Size (MB)
This item defines the size of the aperture if you use an AGP graphics adapter. The
AGP aperture refers to a section of the PCI memory address range used for graphics
memory. We recommend that you leave this item at the default value.
AGP aperture refers to a section of the PCI memory address range used for graphics
memory. We recommend that you leave this item at the default value.
AGP Data Transfer Rate
You can select the AGP device data transfer rate capability.
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