AMI BIOS SETUP
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SDRAM RAS# Precharge (SCLKs):
The field specifies the idle cycles before
precharging an idle bank. Settings: 7 Clocks, 6 Clocks and 5 Clocks.
Internal Graphics Mode Select:
This setting allows the Internal Graphics mode to be
modified. The Optimal and Fail-Safe default settings are Enabled, 1MB.
Option
Description
Enabled, 1MB This option allows the Internal Graphic controller to allocate
1MB of system memory for video display use. This is the
default setting.
Enabled, 512KB This option allows the Internal Graphic controller to allocate
512KB of system memory for video display use.
Disabled
This option allocates no system memory for video display use.
Display Cache Window Size:
This setting allows the Display Cache Window Size to be
modified. The Optimal and Fail-Safe default settings are 64MB.
Option
Description
32MB
This option allows caching of up to 32MB.
64MB
This option allows caching of up to 64MB. This is the default
setting.
AGP Aperture Window:
The field selects the size of the Accelerated Graphics Port( AGP)
aperture. Aperture is a portion of the PCI memory address range dedicated for graphics
memory address space. Host cycles that hit the aperture range are forwarded to the AGP
without any translation. Settings are 4MB, 8MB, 16MB, 32MB, 64MB, 128MB and 256MB.
Initialize Display Cache Memory:
This option will enable or disable Local Memory
(Display Cache) and UMA capable. Settings are Enabled and Disabled.
Paging Mode Control:
Display cache paging mode. Settings are Open and Closed.
RAS-to-CAS:
This field allows you to set the number of cycles for a timing delay between
the CAS and RAS strobe signals, used when DRAM is written to , read from or refreshed.
Fast speed offers faster performance while slow speed offers more stable performance.
CAS Latency:
This controls the timing delay before SDRAM starts a read command after
receiving it.
Summary of Contents for MB-X66 Series
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