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From: ianh@spuddy.mew.co.uk (Ian Hastie)
Subject: Re: RS232 problems
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Date: Sat, 6 Sep 1997 13:33:30 GMT
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In article <340ccfb0.0@192.33.12.30>,
aswNS@hamp.hampshire.edu (Al Woodhull) wrote:
> On Tue, 2 Sep 1997 16:50:14 -0500 Stephen Stocker
> (lpar@toto.pitton.com) wrote in comp.os.minix:
> 
> >   I'm very new to Minix, just got it installed on a Leading Edge 8088.
> > I can't get it to recognize the serial port using the term or modem cmds,
> > I get a "No such device or address" report. I'm trying /dev/tty00 and
> > tty01, same thing. All I want to do at this time is communicate with the
> > modem, using it as a dumb terminal.

It looks like the problem is one of two things.  Either Minix is
compiled without serial support, seems unlikely if you haven't
re-compiled Minix.  Or the serial port is on a different physical
set-up, address or IRQ number, from the standard PC required by Minix.
Either way you'll have to reconfigure Minix and recompile it to get
your serial port to work.

> The names of the serial devices changed between Minix 1.5 and Minix
> 2.0, and it may be that the distribution version of the term command
> still has the old name for the first port compiled in. Look at the
> source or use the strings command to look at the binary and see if it
> still expects /dev/tty1. If so, edit the source and substitute
> /dev/tty00 and recompile.

The 2.0 version of term uses the default if /dev/modem which is
created by becoming root and then typing

ln /dev/tty00 /dev/modem

substitutin in whichever serial device you want to use.  The
alternative is to specify the device in the command line.

Ian.

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