INT 2A U - IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. PCIBM PC 3270 EMULATION PROGRAM - ???
AH = 90h
???
Return: ???
Note: the LANtastic redirector and SERVER.EXE use this function with AL=01h,
03h-07h,0Ch-11h