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Path: sserve!newshost.anu.edu.au!munnari.oz.au!news.Hawaii.Edu!ames!decwrl!nic.hookup.net!swrinde!cs.utexas.edu!bga.com!bga.com!nobody From: dpm@bga.com (David P. Maynard) Newsgroups: comp.os.386bsd.questions Subject: Re: Adaptec 1542CF w/NetBSD Date: 27 Jan 1994 16:51:37 -0600 Organization: Real/Time Communications - Bob Gustwick and Associates Lines: 28 Message-ID: <2i9ghp$g7@zoom.bga.com> References: <2i8kfn$9d3@fw.novatel.ca> <759705957snz@brixham.demon.co.uk> NNTP-Posting-Host: zoom.bga.com Martin Allard <mea@brixham.demon.co.uk> wrote: >In article <2i8kfn$9d3@fw.novatel.ca> hpeyerl@sidney writes: >> >>I haven't had any problems with mine. >> >Thank you! Now that someone has confirmed it is possible we >had better look at the hardware again. You gave us all a big >clue; you have 5 targets on your SCSI bus whereas I have only one. >I guess the extra capacitative loading may dampen down the ringing >which is already known to be a problem with the 1542C. >The F (fast) version may just have the same problem but worse! > >I am going to experiment with different cables and terminations. Just as another datapoint, I have successfully used a 1542CF with NetBSD 0.9 and a single, internal, SCSI-1 disk. I only had it a few weeks before I got a good deal on a 1742, but I didn't have any problems during that time. I don't really remember, but I was probably using a cheap external terminator instead of the internal termination. (I occassionally attach a Sun CD-ROM.) -dpm -- David P. Maynard, Carnegie Mellon University & Dependable Solutions USMail: 14312 Richard Walker Blvd, Austin, TX 78728-6862 EMail: dpm@depend.com, Tel: +1 512 251 8122, Fax: +1 512 251 8308 --