Xref: utzoo comp.unix.i386:3134 comp.unix.xenix:10274 comp.unix.questions:20127 Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!wuarchive!brutus.cs.uiuc.edu!ux1.cso.uiuc.edu!iuvax!ndcheg!ndmath!nstar!larry From: larry@nstar.UUCP (Larry Snyder) Newsgroups: comp.unix.i386,comp.unix.xenix,comp.unix.questions Subject: Re: ranting on serial I/O cards Summary: 16550AFN serial ports Message-ID: <511205@nstar.UUCP> Date: 23 Feb 90 11:32:43 GMT References: <343@mtndew.UUCP> <25e2f06a:817.1comp.unix.i386;1@tronsbox.UUCP> <196@van-bc.UUCP> Organization: Northern Star Communications, Notre Dame, IN, USA Lines: 18 In article <196@van-bc.UUCP>, sl@van-bc.UUCP (Stuart Lynne) writes: > > 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. > Ahh - but with Xenix. Unix would have problems with 3 blazers and 3 2400 baud modems all going full bang on dumb ports. I wonder if 16550AFNs and a replacement driver (FASY, Murray) would work in the above installation (under 386/ix of course) supporting 6 modems? -- Larry Snyder, Northern Star Communications, Notre Dame, IN USA uucp: larry@nstar -or- ...!iuvax!ndmath!nstar!larry 4 inbound dialup high speed line public access system