The following are class signature values.
Value
Name
0x0050414D
MM_APPLICATION_SIGNATURE
0x0054414D
MM_ATTRIBUTE_SIGNATURE
0x0041434D
MM_CLASS_SIGNATURE
0x004C434D
MM_CACHE_SIGNATURE
0x0049464D
MM_FILTER_SIGNATURE
0x0044494D
MM_IDENTIFIER_SIGNATURE
0x004F494D
MM_IO_SIGNATURE
0x0053494D
MM_IO_SUBSYSTEM_SIGNATURE
0x00454D4D
MM_MESSAGE_SIGNATURE
0x004F4E4D
MM_NOTIFY_SIGNATURE
0x004D4F4D
MM_OBJECT_MANAGER_SIGNATURE
0x0045524D
MM_RESERVATION_SIGNATURE
0x0056434D
MM_CPU_VECTOR_SIGNATURE