"TT_PciIo" = "Type: plist boolean\nFailsafe: false\nDescription: Replaces functions in CpuIo and PciRootBridgeIo with 64-bit MMIO compatible ones to fix Invalid Parameter when using 4G Decoding. This affects UEFI drivers such as AudioDxe which access 64-bit MMIO devices. Platforms earlier than APTIO V (Haswell and older) are typically affected.";