Xref: utzoo alt.msdos.programmer:9 comp.sys.ibm.pc:28456 Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!leah!rpi!sun.soe.clarkson.edu!nelson From: nelson@sun.soe.clarkson.edu (Russ Nelson) Newsgroups: alt.msdos.programmer,comp.sys.ibm.pc Subject: Re: Switching COM: Ports Message-ID: Date: 8 May 89 17:24:01 GMT References: <9593@dasys1.UUCP> Sender: news@sun.soe.clarkson.edu Reply-To: nelson@clutx.clarkson.edu Distribution: alt Organization: Clarkson University, Postdam NY Lines: 12 In-reply-to: jzitt@dasys1.UUCP's message of 8 May 89 12:54:33 GMT In article <9593@dasys1.UUCP> jzitt@dasys1.UUCP (Joe Zitt) writes: Is there a way to fake out a PC into talking to a different COM port? Yes and no. Due to the lack of of interrupt driven COM port service in the BIOS, everyone directly accesses the 8250. So the only way to do what you want is to patch your program to use the different COM port. This can be non-trivial. -- --russ (nelson@clutx [.bitnet | .clarkson.edu]) I'm a right-to-lifer -- everyone has a right to earn a living sufficient to feed himself and his family.