VIA 82C694 ATX Mainboard
AWARD BIOS SETUP
4-9
AGP Aperture Size
Select the size of Accelerated Graphics Port (AGP) aperture. The aperture is a
portion of the PCI memory address range dedicated for graphics memory address
space. Host cycles that hit the aperture range are forwarded to the AGP without
any translation.
AGP- 4X Mode
This item allows you to enable / disable the AGP-4X Mode. Please make sure
your AGP card supports the 4X AGP display mode before you can select
Enable
.
AGP Driving Control
This item allows you to adjust the AGP driving force. Choose
Manual
to key in a
AGP Driving Value in the next selection. Basically, "Auto" is recommended to
avoiding any error in your system.
AGP Driving Value
This item allows you to adjust the AGP driving force.
OnChip USB
This should be enabled if your system has a USB installed on the system board
and you want to use it. Even when so equipped, if you add a higher performance
controller, you will need to disable this feature.
USB Keyboard Support
Select
Enabled
if your system contains a Universal Serial Bus (USB) controller
and you have a USB keyboard.
OnChip Sound
This item allows you to control the onboard AC 97 audio.
OnChip Modem
This item allows you to control the onboard MC 97 Modem.
CPU to PCI Write buffer
When this field is
Enabled,
writes from the CPU to the PCI bus are buffered, to
compensate for the speed differences between the CPU and the PCI bus. When
Disabled
, the writes are not buffered and the CPU must wait until the write is
complete before starting another write cycle.
