INT 14 - I1541 - SELECT LPTAbbreviation for Line PrinTer. PORTIBM PC Portable (uses same BIOS as XT) FOR OUTPUT AX = 4002h BL = LPTAbbreviation for Line PrinTer. number (1..3) Return: CF clear if successful CF set otherwise Desc: force the input output routines to work on the cable placed on LPTAbbreviation for Line PrinTer. BL SeeAlso: AX=4001h