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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!uunet!in2.uu.net!192.244.176.52!news.iij.ad.jp!nr1.scn.co.jp!news01.so-net.or.jp!sinfony-news01!sinfony-news02!jun 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 06:42:33 GMT Organization: Sony Systems Design Corp., Takanawa, Tokyo Lines: 35 Message-ID: <JUN.97Feb4154233@goten.sinfony.ad.jp> References: <dkulp-ya023380000102971144510001@darkstar.ucsc.edu> <5d0nq3$7m2@news-2.csn.net> <5d2goc$fvp@grobbebol.grobbebol> <JUN.97Feb4095800@goten.sinfony.ad.jp> <5d63c4$7p2$1@gail.ripco.com> NNTP-Posting-Host: goten.gotenyama.sinfony.ad.jp Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII In-reply-to: dr@ripco.com's message of 04 Feb 1997 10:28:36 +0900 Xref: euryale.cc.adfa.oz.au comp.dcom.isdn:48393 comp.unix.bsd.freebsd.misc:35297 Off topic warning ahead ;-) In article <5d63c4$7p2$1@gail.ripco.com> dr@ripco.com (David Richards) writes: In article <JUN.97Feb4095800@goten.sinfony.ad.jp>, Junichi Kurokawa <jun@goten.sinfony.ad.jp> wrote: >In article <5d2goc$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. Macintosh isn't _that_ special- PC's take PC ISA bus cards, which are available in async speeds through 230Kbs, and can also accept _sync_ serial cards at similar speeds. I knew I was excluding cards. See my recent other post regarding "faster serial card" stuff. Cheers, junichi