Asus D700-NSB P4S333-VM User Manual - Page 75

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] ASUS P4S333-VM motherboard user guide 4-19