INT 1A - Intel Plug-and-Play AUTO-CONFIGURATION - 32-BIT API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. AH = B4h AL = function (80h-87h) further details not yet available Note: these functions are 32-bit versions of functions 00h-07h