VIA 693/693A Twin Processor Mainboard
AWARD BIOS SETUP
4-9
AGP Aperture Size (MB) :
(default setting: 64MB )
There is the AGP slot on the board and which allows user to install the AGP
display card in the system. The AGP display card will use some of the system
memory to store 3D texture mapping data so that the video performance can be
increased tremendously. You may use this field to define the memory size which
you prefer to use with the AGP card. The memory size selectable in this field can
be 4MB to 256MB.
There is the VGART.VXD utility comes with the AGP card and it will decide the
actual memory size which will be shared by AGP card. If you are installing the
Windows 98 operating system, the feature is already supported by the OS and
where you can select the memory for the AGP Aperture size.
OnChip USB
(default setting: "Enalbed")
This should be enabled if your system has a USB installed on the system board and
you wish to use it. However, if you have another USB controller on one of the add
on card, you will have to disable this feature.
USB Keyboard Support:
(default setting : "Disabled".)
Select "Enabled" in this field will allow operation system to use the USB
keyboard. If there is no USB keyboard connected to the PC system, leave it
"Disabled".
Auto Detect DIMM/PCI Clk:
(default setting : “Enabled” )
When “Enabled” is selected, the mainboard will detect the presence of devices on
DIMM and PCI slots. When there is no device presented, the clock on the related
DIMM and PCI slot will be disabled to reduce the electro magnetic interference
(EMI).
Spread Spectrum:
(default setting : “Disabled” )
When you select “Enabled”, the special feature designed in the system chipset will
be triggered and reduce the EMI as mentioned above.
