Asus P4S800 Motherboard DIY Troubleshooting Guide - Page 51

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 [8X Mode] This motherboard supports the AGP 8X interface that transfers video data at 2.12GB/s. The configuration options vary depending on the speed of AGP card installed. If an AGP 4X card is installed, configuration options will be [4X Mode], [2X Mode] and [1X Mode]. The setting [8X Mode] will be the default if an AGP 8X card is installed. AGP 8X is backward-compatible so you may keep the [4X Mode] setting, however the AGP interface will only provide a peak data throughput of 1066MB/s even if you are using an AGP 8X card. AGP Fast Write Capability [Enabled] This field enables or disables the AGP 4x Fast Write Capability feature. Configuration options: [Disabled] [Enabled] 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] Delay Transaction [Enabled] This field enables or disables the PCI delay transaction function. Configuration options: [Disabled] [Enabled] Onboard PCI IDE Enable [Both] This field allows you 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] IDE Bus Master Support [Enabled] This item controls the IDE Bus Master support for non-Windows operating systems. Configuration options: [Disabled] [Enabled] ASUS P4S800 motherboard user guide 2-17