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Date:      Thu, 24 Aug 1995 06:35:32 -0700
From:      Poul-Henning Kamp <phk@critter.tfs.com>
To:        "Jordan K. Hubbard" <jkh@time.cdrom.com>
Cc:        Poul-Henning Kamp <phk@freefall.FreeBSD.org>, jgreco@brasil.moneng.mei.com (Joe Greco), terryl@CS.Stanford.EDU, freebsd-hackers@freebsd.org
Subject:   Re: ISDN Anyone? 
Message-ID:  <23334.809271332@critter.tfs.com>
In-Reply-To: Your message of "Thu, 24 Aug 1995 05:36:41 PDT." <17595.809267801@time.cdrom.com> 

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> > Anybody considering ISDN:  Check out the new Zyxel 2864I, that is
> > a killer-device for ISDN.  Talks to analog modems too!
> 
> Yeah, this would be *especially* hot if FreeBSD could talk parallel to
> it in the same manner as lp0 but without the overhead of the current
> lp0 driver.  I've seen it really drag a machine down, and that wouldn't
> be quite as tolerable with a dedicated ISDN parallel connection as your
> main feed.

There is actually a lot more promise in a 16550 or 16650 at 460800 bps.
You only get 1/16th or 1/32th the number of interrupts.

The parallel port thingie is mostly a gimmick, until they reveal a
very smart protocol for it...

--
Poul-Henning Kamp           | phk@FreeBSD.ORG       FreeBSD Core-team.
http://www.freebsd.org/~phk | phk@login.dknet.dk    Private mailbox.
whois: [PHK]                | phk@ref.tfs.com       TRW Financial Systems, Inc.
Just that: dried leaves in boiling water ?



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