//0x20 bytes (sizeof)
struct _PEP_ACPI_IO_MEMORY_RESOURCE
{
enum _PEP_ACPI_RESOURCE_TYPE Type; //0x0
UCHAR Information; //0x4
union _LARGE_INTEGER MinimumAddress; //0x8
union _LARGE_INTEGER MaximumAddress; //0x10
ULONG Alignment; //0x18
ULONG Length; //0x1c
};