Int 2F Fn FB42 PU - Borland C++ 3.0 DPMIload.exe - Set Protected-mode In [E] AX = FB42h BX = 0025h CL = interrupt number SI:DX = selector:offset of new handler Return: DX = status (0000h,0004h,FFF2h) (see AX=FB42h/BX=0004h) See Also: AX=FB42h/BX=0024h,INT 31/AX=0205h