ECS P6VEMD User Manual page 54

AGP Mode (4X)
This option allows you to select the AGP mode.
AGP Fast Write (Disabled)
This option allows the data to be sent directly from the corelogic (i.e. chipset)
to the AGP master instead of keeping a copy in system memory and making
the AGP master fetch it. This works with 4x cards only.
AGP Aperture Size (128MB)
The AGP aperture size is the maximum amount of main system RAM that is
dedicated to the video-subsystem as AGP RAM, which can be swapped to the
video card the fastest of any other swap method.
AGP Master 1 W/S Write (Disabled)
Implements a single delay when reading from the AGP Bus.
AGP Master 1 W/S Read (Disabled)
Implements a single delay when writing from the AGP Bus.
PCI Delay Transaction (Enabled)
This option should be set to enable for better performance and to meet PCI
2.1 specifications. Disable it only if your PCI cards cannot work properly or if
you are using an ISA card that is not PCI 2.1 compliant.
USB Controller (Enabled)
When set to enabled, the BIOS will automatically detect if there is USB related
item installed.
USB 1.1 Device Legacy Support (Disabled)
Set this option to enable to support for older keyboards and mouse devices.
Make user the USB option is also set to enable.
Auto Detect DIMM/PCI Clk (Disabled)
When set to enabled, the chipset will auto-detect if the DIMM and PCI sockets
have devices attached and will send clock signals to each of them. If set to
disabled, it will send clock signals to all DIMM and PCI sockets.
Clock Spread Spectrum Enable (Enabled)
Enabling this allows the system to turn off the AGP, PCI and SDRAM signals
when not in use in order to reduce the electro-magnetic interference.
IDE UDMA66 Cable DETECT (Enabled)
When this option is set to enabled, the BIOS will be able to detect and will
show a warning message when you use the normal 40 conductor IDE cable
on a UDMA66 drive.
30