Chip Configuration - Asus P4T-EM User Manual

4. BIOS SETUP

4.4.1 Chip Configuration

RDRAM Pool B State [Standby]
This sets the operating state of the RDRAM devices in Pool B. Selecting
[Nap] allows the RDRAM in Pool B to enter power-saving mode. [Standby]
allows the RDRAM in Pool B to return to the working state quickly. Con-
figuration options: [Standby] [Nap]
AGP Fast-Write [Enabled]
This controls the AGP fast-write function. Configuration options: [Enabled]
[Disabled]
Graphics Window Size [64MB]
This feature allows you to select the size of mapped memory for AGP
graphic data. Configuration options: [4MB] [8MB] [16MB] [32MB]
[64MB] [128MB] [256MB]
Video Memory Cache Mode [UC]
USWC (uncacheable, speculative write combining) is a new cache tech-
nology 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]
Memory Hole At 15M-16M [Disabled]
This field allows you to reserve an address space for ISA expansion cards
that require it. Setting the address space to a particular setting will make
that memory space unavailable to the system. Expansion cards can only
access memory up to 16MB. Configuration options: [Disabled] [Enabled]
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