Aaeon VIA Eden Series, User Manual

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Chapter 3 Award BIOS Setup 53
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.
The choices: 4M, 8M, 16M, 32M, 64M, 128M.
AGP-4X Mode
Enable 4X mode will enhance your system performance.
The choices: Enabled, Disabled.
OnChip USB
Select enabled if your system contains a Universal Serial Bus
controller and you have a USB keyboard. If you disable this
function you will not be able to access the USB Keyboard
Support below.
The choices: Enabled, Disabled.
USB Keyboard Support
Select enabled if your system contains a Universal Serial Bus
controller and you have a USB keyboard.
The choices: Enabled, Disabled.
OnChip Sound
This item allows you to control the onboard VIA 1611 audio.
The choices: Auto, Disabled.