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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!spool.mu.edu!news.sgi.com!news.sprintlink.net!news-peer.sprintlink.net!howland.erols.net!math.ohio-state.edu!jussieu.fr!rain.fr!news-paris.gsl.net!news.gsl.net!news-lond.gsl.net!news.gsl.net!dispatch.news.demon.net!demon!arg1.demon.co.uk!not-for-mail From: Andrew Gordon <andrew.gordon@net-tel.co.uk> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: 100Base-T PCMCIA ? Date: Sat, 18 Jan 1997 16:15:21 +0000 Lines: 20 Message-ID: <32E0F719.41C67EA6@net-tel.co.uk> References: <32DAA92B.3F54@browncow.com> <5bkmbg$duv@flea.best.net> NNTP-Posting-Host: arg1.demon.co.uk X-NNTP-Posting-Host: arg1.demon.co.uk X-Mailer: Mozilla 3.01Gold (X11; I; FreeBSD 2.1.5-RELEASE i386) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:34178 Matt Dillon wrote: > > :In article <32DAA92B.3F54@browncow.com>, Bill Kish <kish@browncow.com> wrote: > :>Does anyone have any information concerning 100Base-T PCMCIA cards > :>that might be suppported? If not how about cards that have specs > > I have always thought that PCMCIA used ISA-like bus timing and > frequencies, which would make PCMCIA's maximum bandwidth somewhere > around 5 MBytes/sec. This would appear to preclude being able > to get good performance out of a 100Base-T PCMCIA ethernet card. > (verses a PCI 100BaseT card, where PCI has 130MBytes/sec of > available bandwiddh). Traditional PCMCIA is ISA-limited, but many modern machines have CardBus PCMCIA slots. CardBus is (roughly speaking) PCI run over with a steamroller to make it fit in a PCMCIA size. However, I have yet to see any 100baseTX cards (nor many CardBus cards for that matter - CardBus is mainly prominent in the adverts for portables rather than for devices to plug in).