Asus D700-NIB - Manual (Page 76)

4-18 Chapter 4: BIOS Setup
SDRAM Idle Timer [Infinite]
Configuration options: [Infinite] [0T] [8T] [16T] [64T]
Graphics Aperture 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]
AGP Capability [4X Mode]
When set to [4X Mode], this item allows 1066MB/s video data transfers
through the AGP 4X interface card. When set to [1X Mode], the AGP
interface only provides a peak data throughput of 266MB/s even if you are
using an AGP 4X card. Configuration options: [1X Mode] [4X Mode]
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]
The SDRAM RAS Precharge Delay parameter appears only when you
set the SDRAM Configuration to [User Defined].
SDRAM RAS Precharge Delay [3T]
This item controls the idle clocks after issuing a precharge command to
the SDRAM.
SDRAM Active Precharge Delay [6T]
This item controls the number os SDRAM clocks used for SDRAM
parameters.
The SDRAM Active Precharge Delay parameter appears only when
you set the SDRAM Configuration to [User Defined].