*BSD News Article 88854


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From: jun@goten.sinfony.ad.jp (Junichi Kurokawa)
Newsgroups: comp.dcom.isdn,comp.unix.bsd.freebsd.misc
Subject: Re: ISDN TA's supported for BSD Unix?
Date: 04 Feb 1997 00:58:00 GMT
Organization: Sony Systems Design Corp., Takanawa, Tokyo
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Message-ID: <JUN.97Feb4095800@goten.sinfony.ad.jp>
References: <dkulp-ya023380000102971144510001@darkstar.ucsc.edu>
 <5d0nq3$7m2@news-2.csn.net> <5d2goc$fvp@grobbebol.grobbebol>
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In-reply-to: bengel@xs4all.nl's message of 03 Feb 1997 01:52:28 +0900
Xref: euryale.cc.adfa.oz.au comp.dcom.isdn:48384 comp.unix.bsd.freebsd.misc:35288

In article <5d2goc$fvp@grobbebol.grobbebol>
bengel@xs4all.nl (Roeland Th. Jansen) writes:

  >In comp.dcom.isdn John J. Rushford <wjjr@bugs.alisa.org> wrote:
  >> any special drivers.  Also, I believe that you don't get the full
  >bandwidth
  >> available on 128K ISDN with a serial connection.
  >
  >and your belief is wrong in this case. as long as the TA controls the flow
  >(cts/rts) -- it's OK. some TA's support data rates at a max of 921k6.

You are wrong.

Only Macs can do 234000bps with their syncronous Geoport bus.  Most
other hardwares such as your PC's are limited to 16550A's 115200bps
limit or even slower, making them meaningless on MP'ed links.