Asus P4S333-VF - Manual (Page 75)

ASUS P4S333-VF motherboard user guide 4-19
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 allows you to reserve 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 allows you to enable or disable 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 allows tou to enable 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]