Frame Buffer Size; Agp Aperture Size; Onchip Usb - Aaeon PCM-6892 Manual

Frame Buffer Size

Select a size for the PCI frame buffer. The size of the buffer should
not impinge on local memory.
The choices: 2M, 4M, 8M, 16M, 32M.

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.
Onboard LAN1/2 Control
Select enabled to utilize LAN 1 and LAN 2 function.
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.
52 PCM-6892 User Manual