typedef enum
{
    InterfaceTypeUndefined = 4294967295,
    Internal = 0,
    Isa = 1,
    Eisa = 2,
    MicroChannel = 3,
    TurboChannel = 4,
    PCIBus = 5,
    VMEBus = 6,
    NuBus = 7,
    PCMCIABus = 8,
    CBus = 9,
    MPIBus = 10,
    MPSABus = 11,
    ProcessorInternal = 12,
    InternalPowerBus = 13,
    PNPISABus = 14,
    PNPBus = 15,
    Vmcs = 16,
    MaximumInterfaceType = 17
} INTERFACE_TYPE;