INT 26 - 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 - ENTER/EXIT EXTENDED ADDRESSING MODE ??? Return: ??? SeeAlso: INT 23"COMTROL",INT 27"COMTROL"