AOpen i855GMEm-LFS Manual page 48

Advanced Chipset features > DRAM RAS# Precharge
If an insufficient number of cycles are allowed for the RAS to accumulate its
charge before DRAM refresh, the refresh may be incomplete and the DRAM may
fail to retain data. Fast give faster performance; and Slow gives more stable
performance. This field applies only when synchronous DRAM is installed in the
system. Available options: 2, 3
Advanced Chipset features > MGM Core Frequency
This item allows user to determine the frequency of CPU FSB / Memory / GFX
Core Clock (Low) / GFX Core Clock (High). Available options:
400/266/133/200 MHZ
400/200/100/200 MHZ
400/200/100/133 MHZ
400/266/133/267 MHZ
400/333/166/250 MHZ
Auto
Advanced Chipset features > System BIOS cacheable
Allow the system BIOS to be cached to allow faster system performance.
Available options: Disabled, Enabled
Advanced Chipset features > Video BIOS cacheable
Allow the video BIOS to be cached to allow faster video performance.
Available options: Disabled, Enabled
Advanced Chipset features > AGP Aperture Size (MB)
This item allows you to determine the effective size of the AGP Graphic Aperture.
Available options: 4, 8, 16, 32, 64, 128, 256
Advanced Chipset features > Intruder Detection
This item allow user to detect the housing is opened or not. It works only when
the housing is designed with CASE OPEN cable and connected to motherboard.
Available options: Disabled, Enabled
Advanced Chipset features > Delayed PWROK Signal
This item is used to add the compatibility between motherboard and power supply
for avoiding booting up failed. Available options: 400ms (default) / 300ms /
200ms /100ms / Disabled
Advanced Chipset features > On-Chip VGA
This item allows user to control the on-chip VGA.
Available options: Disable, Enable
Advanced Chipset features > Frame Buffer Size
This item allows user to control the on-chip frame buffer size.
Available options: 1M, 4M, 8M, 16M, 32M
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