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Description of the item on screen follows:
SDRAM CAS Latency
This option determines the CAS latency time parameter of SDRAM.
The settings are 2 clks or 3 clks or Auto. The setting Auto is determined by
SPD. It is recommended that this be set to 3.
Memory Hole
This option allows the end user to specify the location of a memory
hole(15MB-16MB). The cycle matching the selected memory hole will be
passed to the ISA bus.
ICH Delayed Transaction
Select Enabled to comply with PCI specification version 2.1, if some
PCI cards can't work properly. The setting is Disabled.
ICH DCB Enabled
Select Enabled to set properly the LPC DMA device and PC/PCI
DMA device collection buffer to Enabled. The system performance will be
better. The default setting is Disabled.
Graphics Aperture Size
This option determines the effective size of the graphics aperture
used in the particular MCM configuration. The AGP aperture is memory -
mapped,while graphics data structure can reside in a graphics aperture. The
aperture range should be programmed as not cacheable in the processor
cache,accesses with the aperture range are forwarded to the main memory,
then MCM will translate the original issued address via a translation table
that is maintained on the main memory. The option allows the selection of an
aperture size of 4MB,8MB,16MB,32MB,64MB,128MB and 256MB.
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