Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!usc!elroy.jpl.nasa.gov!hacgate!janus!cws
From: cws@janus.Quotron.com (Craig W. Shaver)
Newsgroups: comp.unix.sysv386
Subject: Re: Re^2: 4 Port Serial Boards
Summary: yes
Keywords: FAS,MU-440,DFI,Serial
Message-ID: <638@janus.Quotron.com>
Date: 17 Oct 90 21:01:25 GMT
References: <1990Oct5.213445.6176@sdgsun.uucp> <27447@usc.edu> <1990Oct15.005916.21858@unixland.uucp>
Organization: Quotron Systems Inc., Los Angeles
Lines: 23

In article <1990Oct15.005916.21858@unixland.uucp>, bill@unixland.uucp (Bill Heiser) writes:
	....
> 
> If one of these 4-port boards is installed in a 386, can the existing
> two serial ports (on a generic i/o card) remain installed, giving a 
> total of 6 ports (plus retaining the parallel port on that card)?
> 

Yes you can.  By setting the interrupt and dip switches properly you can
use most of the 8 bit interrupt vectors.  You may have all 4 ports on
1 interrupt and there are a couple of options to allow you to use ports
on their own interrupt.  6 ports are possible!


Craig W. Shaver


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