//0x4 bytes (sizeof)
enum _BUS_DATA_TYPE
{
ConfigurationSpaceUndefined = -1,
Cmos = 0,
EisaConfiguration = 1,
Pos = 2,
CbusConfiguration = 3,
PCIConfiguration = 4,
VMEConfiguration = 5,
NuBusConfiguration = 6,
PCMCIAConfiguration = 7,
MPIConfiguration = 8,
MPSAConfiguration = 9,
PNPISAConfiguration = 10,
SgiInternalConfiguration = 11,
MaximumBusDataType = 12
};