Abit GD8 User Manual page 37

BIOS Setup
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PCI Express Root Port Func:
Click <Enter> key to enter its submenu:
PCI Express Slot 1 ~ PCI Express Slot 3:
This option enables or disables the PCI Express port function.
PCI-E Compliancy Mode:
This item selects the mode for PCI Express add-on card.
# Back to Advanced Chipset Features Setup Menu:
Init Display First:
This item selects whether to initiates from "PCI Express Slot" or "PCI Slot" first when system boots up.
PEG/Onchip VGA Control:
This item selects which one to initiates from "Onchip VGA" or "PEG Port" when system boots up.
Leave this item to its default [Auto] settings.
PEG Force X1:
When set to [Enabled], this item forces the PEG port down to x1 mode.
OnChip Video Memory Size:
This option specifies the amount of system memory that can be used by the AGP device. The aperture is a
portion of the PCI memory address range dedicated for graphics memory address space.
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User's Manual