INT 22 - COMTROL HOSTESS i/ISA(Industry-Standard Architecture) The expansion bus used by the IBMInternational Busiuness Machines PCIBM PC/ATIBM PC AT.  See also EISA. DEBUGGER - CHANGE FIRMWARE DEBUGGING PORTIBM PC Portable (uses same BIOS as XT)
	AL = new firmware debugging port
Return: ???
SeeAlso: INT 21"COMTROL",INT 23"COMTROL"