         ; VMM RESERVED FIELD
DDB_SDK_Version         dw  DDK_Version         ; VMM RESERVED FIELD
DDB_Req_Device_Number   dw  Undefined_Device_ID ; Required device number
DDB_Dev_Major_Version   db  0                   ; Major device number
DDB_Dev_Minor_Version   db  0                   ; Minor device number
DDB_Flags               dw  0                   ; Flags for init calls complete
DDB_Name                db  "        "          ; Device name
DDB_Init_Order          dd  Undefined_Init_Order; Initiali