Xref: utzoo comp.unix.i386:3130 comp.unix.xenix:10269 comp.unix.questions:20119 Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!samsung!zaphod.mps.ohio-state.edu!van-bc!sl From: sl@van-bc.UUCP (Stuart Lynne) Newsgroups: comp.unix.i386,comp.unix.xenix,comp.unix.questions Subject: Re: ranting on serial I/O cards Message-ID: <196@van-bc.UUCP> Date: 23 Feb 90 07:27:58 GMT References: <343@mtndew.UUCP> <25e2f06a:817.1comp.unix.i386;1@tronsbox.UUCP> <511202@nstar.UUCP> Reply-To: sl@van-bc.UUCP (Stuart Lynne) Organization: Wimsey Associates Lines: 22 In article <511202@nstar.UUCP> larry@nstar.UUCP (Larry Snyder) writes: }In article <25e2f06a:817.1comp.unix.i386;1@tronsbox.UUCP>, tron1@tronsbox.UUCP (HIM) writes: }> Well, I'll tell you . I had the same search --- and picked a nice simple }> solution. }> }> >DUMB< serial cards with 16550A's running the PD FASY driver for SYS 5 3.2 }> }> Does everything you want , never locks up . is REAL CHEAP. } }But dumb ports (multple ones) supporting high speed modems put a massive }load on the primary CPU (don't they?) } On Xenix even using 16450's will work for one or two Trailblazers quite nicely. On my system (25Mhz 386) I didn't really notice a tremendous load. With 16550's I have run three Trailblazers and three 2400 Hayes with little loading and no character loss problems. -- Stuart.Lynne@wimsey.bc.ca ubc-cs!van-bc!sl 604-937-7532(voice) 604-939-4768(fax)