Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!clyde.concordia.ca!uunet!virtech!cpcahil
From: cpcahil@virtech.uucp (Conor P. Cahill)
Newsgroups: comp.unix.i386
Subject: Re: Third serial port
Message-ID: <1989Dec19.002448.2979@virtech.uucp>
Date: 19 Dec 89 00:24:48 GMT
References: <12978@cit-vax.Caltech.Edu>
Organization: Virtual Technologies Inc.
Lines: 15

In article <12978@cit-vax.Caltech.Edu>, tim@cit-vax.Caltech.Edu (Timothy L. Kay) writes:
> Does anybody know if it is possible to use IRQ 2 for a serial port?
> Is it possible to share interrupts (can I put two ports on the same
> interrupt and have it work)?

You can't use IRQ 2 for anything on any AT bus system.  IRQ 2 is used 
by the second interrupt handler.  Usually IRQ2 on a bus card is mapped
to IRQ 9, so try that or try a different IRQ.


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