can't find serial port

Janina Sajka janina at rednote.net
Fri Feb 6 11:29:47 EST 2004


Yes, but you still may need to access the bios to activate the physical
port and to logically label it as the first serial device. Please note
that this is two steps with some bios.


Kyrath. (AKA Rob) writes:
> From: "Kyrath. \(AKA Rob\)" <kyrath at cox.net>
> 
> OK, I admit to not being the most knowledgeable about the inner workings of
> hardware and software interaction, but, if I were to boot off a linux
> floppy/cd, wouldn't the DOS and windows confusion about com1 be a mute
> point?
> Doesn't linux assess the hardware and assign its own device labels,
> regardless of what DOS/windows would want to name them if they were booted?
> -- Rob
> ----- Original Message ----- 
> From: "Glenn Ervin at Home" <GlennErvin at cableone.net>
> To: "Speakup is a screen review system for Linux." <speakup at braille.uwo.ca>
> Sent: Friday, February 06, 2004 10:00 AM
> Subject: Re: can't find serial port
> 
> 
> > Some device might indeed be using the settings for com1 but that might be
> > resolved by deleting com2 and restarting.
> > Then if there is no ports in device manager, then he could add a port and
> > assign the typical address for com1
> > In fact he should go into the properties and attempt to manipulate the
> > settings to the com2 to match the typical com 2 settings if they aren't
> > already.
> > Com1 & 3 use IRQ 4
> > and
> > Com2 & 4 use IRQ 3.
> > Then there is the memory range, which I always have to check before
> setting,
> > but com1 usually uses 03f8 I think and com2 uses 02f8, or something like
> > that.
> > But in windows we sometimes have to shuffle this stuff around and
> sometimes
> > we have to delete the item and a few others so we can re-assign the
> problem
> > devices.
> >
> > ----- Original Message ----- 
> > From: "Janina Sajka" <janina at rednote.net>
> > To: "Speakup is a screen review system for Linux."
> <speakup at braille.uwo.ca>
> > Sent: Friday, February 06, 2004 8:24 AM
> > Subject: Re: can't find serial port
> >
> >
> > This suggests to me that some other device is being assigned com1.
> > Recognize that the designation com1 is logical, not physical.
> >
> > Kyrath. (AKA Rob) writes:
> > > From: "Kyrath. \(AKA Rob\)" <kyrath at cox.net>
> > >
> > > Alright, I tried the mode command and it seems to work in that it made
> the
> > > adjustment.  When I tried the mode command for com2 or com3, it gave me
> an
> > > illegal device error.
> > > The strange thing is that I looked in the windoes device manager and
> found
> > > that there was no com1 listed, but there was a com2.  Go figure.
> > > I guess that I'll have to wait for some eyes before I can do any more.
> > > Thanks for all of the help.
> > > -- Rob
> > > ----- Original Message ----- 
> > > From: "Glenn Ervin at Home" <GlennErvin at cableone.net>
> > > To: "Speakup is a screen review system for Linux."
> > <speakup at braille.uwo.ca>
> > > Sent: Thursday, February 05, 2004 9:54 PM
> > > Subject: Re: can't find serial port
> > >
> > >
> > > > You might also try the following in a DOS box or at the DOS prompt:
> > > > mode com1 9600,n,8,1,,
> > > > That is the typical port settings.
> > > > ----- Original Message ----- 
> > > > From: "Kyrath. (AKA Rob)" <kyrath at cox.net>
> > > > To: "Speakup is a screen review system for Linux."
> > > <speakup at braille.uwo.ca>
> > > > Sent: Thursday, February 05, 2004 7:20 PM
> > > > Subject: Re: can't find serial port
> > > >
> > > >
> > > > OK, it looks like the port might be disabled.  The copy command came
> > back
> > > > with 1 file copied, but there was no output.
> > > > is it possible that the port is ph
> > > >
> > > > _______________________________________________
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> > >
> > >
> > >
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> >
> > -- 
> >
> > Janina Sajka
> > Email: janina at rednote.net
> > Phone: +1 (202) 408-8175
> >
> > Director, Technology Research and Development
> > American Foundation for the Blind (AFB)
> > http://www.afb.org
> >
> > Chair, Accessibility Work Group
> > Free Standards Group
> > http://a11y.org
> >
> > _______________________________________________
> > Speakup mailing list
> > Speakup at braille.uwo.ca
> > http://speech.braille.uwo.ca/mailman/listinfo/speakup
> >
> >
> > _______________________________________________
> > Speakup mailing list
> > Speakup at braille.uwo.ca
> > http://speech.braille.uwo.ca/mailman/listinfo/speakup
> 
> 
> 
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-- 
	
Janina Sajka
Email: janina at rednote.net		
Phone: +1 (202) 408-8175

Director, Technology Research and Development
American Foundation for the Blind (AFB)
http://www.afb.org

Chair, Accessibility Work Group
Free Standards Group
http://a11y.org




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