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Video Memory Cache Mode [UC]
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 does not support this feature, otherwise
the system may not boot. Configuration options: [UC] [USWC]Memory
Hole At 15M-16M [Disabled]
This field reserves an address space for ISA expansion cards. Setting the
address space to a particular setting makes that memory space
unavailable to other system components. Expansion cards can only
access memory up to 16MB. Configuration options: [Disabled] [Enabled]
PCI 2.1 Support [Enabled]
This field enables or disables the PCI 2.1 features. Keep the default
setting [Enabled] if you installed PCI 2.1 compliant cards. Set to [Disabled]
if you installed any card that is not PCI 2.1 compliant. Configuration
options: [Disabled] [Enabled]
Onboard PCI IDE Enable [Both]
This field enables either the primary IDE channel or secondary IDE
channel, or both. You can also set both channels to [Disabled].
Configuration options: [Both] [Primary] [Secondary] [Disabled]
IDE Bus Master Support [Disabled]
This field enables the IDE Bus Master Support. The default is [Disabled].
Configuration options: [Enabled] [Disabled]
ASUS P4SGL-VM motherboard user guide
4-19
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