PARTITION_INFORMATION_MBR contains information for a Master Boot Record partition that is not held in common with a GUID Partition Table partition.
typedef struct _PARTITION_INFORMATION_MBR {
UCHAR PartitionType;
BOOLEAN BootIndicator;
BOOLEAN RecognizedPartition;
ULONG HiddenSectors;
} PARTITION_INFORMATION_MBR, *PPARTITION_INFORMATION_MBR;
Declared in ntddk.h and ntdddisk.h. Include ntddk.h or ntdddisk.h.
PARTITION_INFORMATION_EX, PARTITION_INFORMATION_GPT, IoReadPartitionTable