typedef struct _CM_MCA_POS_DATA {
USHORT AdapterId;
UCHAR PosData1;
UCHAR PosData2;
UCHAR PosData3;
UCHAR PosData4;
} CM_MCA_POS_DATA, *PCM_MCA_POS_DATA;
CM_MCA_POS_DATA defines IBM-compatible MCA POS configuration information for a slot.