In src/Kconfig there is this: config FALLBACK_VGA_BIOS_ID string "VGA BIOS ID" depends on VGA_BIOS default "1106,3230" help The ID that would associate your VGA BIOS to your video card. (PCI VendorID, PCI Device ID) How does a component (nb, sb, sio) or mainboard provide an override for this default? //Peter