Date: Mon, 06 Sep 1999 22:39:23 -0700 From: Mike Smith <mike@smith.net.au> To: "Andrew Reilly" <areilly@nsw.bigpond.net.au> Cc: questions@FreeBSD.ORG, hackers@FreeBSD.ORG Subject: Re: PCI modems do not work??? Message-ID: <199909070539.WAA23370@dingo.cdrom.com> In-Reply-To: Your message of "Tue, 07 Sep 1999 12:00:54 %2B1000." <19990907120054.A93315@gurney.reilly.home>
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> On Mon, Sep 06, 1999 at 07:15:00PM -0400, Ugen Antsilevitch wrote: > > Supporting winmodems > > btw would be nice, although i doubt manufacturers will give us their code. > > That might not be necessary, eventually. I've heard, obliquely, > of a project to develop "open source" modem (data pump) software > that is obviously aimed at these things. It's not rocket science > (well, not to DSP folks), and it is well and truly standardised. > It would be a good final-year EE project in the right school. > Also, since the theoretical limits of the POTS channel have pretty > much been reached with V.34-bis or V.90, it's not even a moving > target any more. No wonder they're cheap now. > > Does anyone know whether there's more to a "WinModem" than a > line hybrid, a codec and a PCI interface? It depends. Some of them put the DSP on the card, but expect you to do the V.xx encoding in software; others want it all. Note that the DSP part of the work is the easy bit; the rest of the line protocols less so. -- \\ The mind's the standard \\ Mike Smith \\ of the man. \\ msmith@freebsd.org \\ -- Joseph Merrick \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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