Not really ...basically an amr slot is a cut down slot in which you can
insert amr modems ...It is supposed to prevent the electromagnetic
interference caused by having the modem chip integrated on the
motherboard. So far there has been next to no support for it. Ist seems
to be as dead as VL bus.
Cheerio
Robin
Ashwin wrote:
>
> Hi all,
>
> This reminds of something I heard about when I was digging dirt while
> choosing a mobo. I heard mention of AMR - Audio? Modem Raiser is it? am not
> sure - in some motherboards based on the i810 which with firmware and sware
> functioned as a modem - must be using a deviate of this idea. Not sure if its
> in some way linked but I would'nt be surprised if it is.
> Ashwin
>
> sreangsu acharyya wrote:
>
> > hi people,
> >
> > DISCLAIMER:
> > i am not an electronics engineer, so please dont flame me if the
> > following does not make sense.
> >
> > Thinking of ways to surf net for free, i thought of having a
> > call-back system at my office. ( they will probably fire me if I actually
> > do it...but no harm romanticising.)The 1st hurdle, is the office machine
> > do not have a modem.
> >
> > I reasoned that, tone dialing is done by feeding "tones" into the
> > receiver. Moreover these are certainly in our audible range 16-20k Hz,
> > thus reproducible by the sound card.
> >
> > Thus given proper driver support wouldnt it be possible to use the line
> > out of the sound card to dial some number. Upto this it seems ok, but
> > what if i use the sound card as a modem. I sure can "hear" data packets on
> > a connected line...but are all of them within our audible range or more
> > precisely reproducible by the sound card.
> >
> > There are many issues however, getting the frequency right is ok, but
> > the voltage output of the soundcard should be comparable to the one used
> > on phone lines. About these values i have no idea.Moreover the speed would
> > also be quite low if a sound card is used.
> >
> > The reasoning seems pretty elementary, and i am sure some one has
> > thought about it. I searched linmodem.org and google.com/linux but couldnt
> > get anything substantial.
> > Please respond if you have any ideas.
> > sreangsu
> >
> > ----------------------------------------------
> > Find out more about this and other Linux India
> > mailing lists at http://lists.linux-india.org/
>
> ----------------------------------------------
> Find out more about this and other Linux India
> mailing lists at http://lists.linux-india.org/
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Robin S Chatterjee Yahoo pager ID -Robinchatterjee
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