ASUS A7V User’s Manual 734. BIOS SETUP4. BIOS SETUPShadow ConfigurationVideo ROM BIOS Shadow [Enabled]This field allows you to change the video BIOS location from ROM toRAM. Relocating to RAM enhances system performance, as informationaccess is faster than the ROM. Configuration options: [Disabled] [Enabled]C8000-DFFFF Shadow [Disabled]These fields are used for shadowing other expansion card ROMs. If youinstall other expansion cards with ROMs on them, you will need to knowwhich addresses the ROMs use to shadow them specifically. Shadowing aROM reduces the memory available between 640K and 1024K by the amountused for this purpose. Configuration options: [Disabled] [Enabled]4.4.4 Shadow Configuration