*BSD News Article 88884


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From: bengel@xs4all.nl (Roeland Th. Jansen)
Newsgroups: comp.dcom.isdn,comp.unix.bsd.freebsd.misc
Subject: Re: ISDN TA's supported for BSD Unix?
Date: 4 Feb 1997 08:16:34 -0000
Organization: Grobbebol's Home
Lines: 15
Message-ID: <5d6r92$qau@grobbebol.grobbebol>
References: <dkulp-ya023380000102971144510001@darkstar.ucsc.edu> <5d0nq3$7m2@news-2.csn.net> <5d2goc$fvp@grobbebol.grobbebol> <JUN.97Feb4095800@goten.sinfony.ad.jp>
Reply-To: bengel@xs4all.nl
NNTP-Posting-Host: grobbebol.xs4all.nl
X-XS4ALL-Date: Tue, 04 Feb 1997 09:39:49 CET
X-Newsreader: TIN [UNIX 1.3 unoff BETA release 970202]
Xref: euryale.cc.adfa.oz.au comp.dcom.isdn:48397 comp.unix.bsd.freebsd.misc:35302

In comp.dcom.isdn Junichi Kurokawa <jun@goten.sinfony.ad.jp> wrote:
> 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.

I agree that no *all* boards support speeds > 115k2. however, current
motherboards supports serial speeds of 921k6. also, add on boards (pretty
cheap) support such speeds.

a 16550a can support speeds of over 115k2 but the driving clock frequency 
is causing the constraint. 


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