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IV. BIOS SETUP
Refresh RAS Assertion: [5T]
(Leave on default setting.)
Refresh Queue Depth: [12]
The configuration options are: [0] [4] [8] [12].
VGA Shared Memory Size: [8MB]
You can choose the amount of user-installed DIMM memory to allocate to the onboard
VGA. This option is relevant only to motherboards with onboard VGA with no VGA
memory onboard. The configuration options are: [2MB] [4MB] [8MB].
Video Memory Cache Mode: [USWC]
USWC (uncacheable, speculative write combining) is a new cache technology for the
video memory of the processor. It can greatly improve the display speed by caching
the display data. You must set this to UC (uncacheable) if your display card cannot
support this feature, otherwise your system may not boot. The configuration options
are: [UC] [USWC].
Graphics Aperture Size: [64MB]
Memory-mapped, graphics data structures can reside in a Graphics Aperture.
PCI 2.1 Support: [Enabled]
This function allows you to enable or disable PCI 2.1 features including passive release and
delayed transaction. The configuration options are: [Disabled] [Enabled].
Onboard PCI IDE Enable: [Both]
You can select to enable the primary IDE channel, secondary IDE channel, both, or
disable both channels. The configuration options are: [Both] [Primary] [Secondary]
[Disable]
ISA Bus Clock: [PCICLK/4]
(Leave on default setting.)
ROM Cycle Wait State: [1-Wait]
The configuration options are: [4-Wait] [1-Wait].
16-bit I/O Recovery Time: [3 BUSCLK]
(Leave on default setting.)
8-bit I/O Recovery Time: [5 BUSCLK]
(Leave on default setting.)
Memory Hole At 15M–16M: [None]
Enabling this feature reserves 15MB to 16MB memory address space to ISA expan-
sion cards that specifically require this setting. This makes the memory from 15MB
and up unavailable to the system. Expansion cards can only access memory up to
16MB. The configuration options are: [None] [15M-16M] [14M-16M] [12M-16M].
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ASUS MES-VM User's Manual
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