4.4.1 Chip Configuration

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 cannot support this feature; otherwise your system may not boot. Configuration options: [UC] [USWC]

Enhanced Memory Mapping [Enabled]

This item allows you to enable or disable the enhanced memory mapping feature. When enabled, this feature permits better memory bus utilization to increase the memory bus bandwidth and decrease the latencies.

Configuration options: [Disabled] [Enabled]The enhanced memory mapping feature can only be used under these conditions:•DIMM rows 2 and 4 are populated•All the DIMMs installed are identical (the same type and size)•DIMM sockets DDRA1 and DDRA2 are populated

Onboard PCI IDE [Both]

You can select to enable the primary IDE channel, both the primary and secondary channels, or disable both channels. Configuration options: [Both] [Primary] [Disabled]

ASUS PR-DLS533 motherboard user guide

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