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70 wiersze
3.1 KiB
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<!-- received="Wed Nov 26 00:12:50 1997 PST" -->
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<!-- sent="Wed, 26 Nov 1997 00:12:25 -0800 (PST)" -->
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<!-- name="John P. Beale" -->
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<!-- email="beale@best.com" -->
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<!-- subject="Oops! Advansys SCSI ok- had bad termination." -->
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<!-- id="199711260812.AAA00919@shell3.ba.best.com" -->
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<!-- inreplyto="" -->
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<title>sane-devel: Oops! Advansys SCSI ok- had bad termination.</title>
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<h1>Oops! Advansys SCSI ok- had bad termination.</h1>
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<b>John P. Beale</b> (<a href="mailto:beale@best.com"><i>beale@best.com</i></a>)<br>
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<i>Wed, 26 Nov 1997 00:12:25 -0800 (PST)</i>
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<p>
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<ul>
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<li> <b>Messages sorted by:</b> <a href="date.html#160">[ date ]</a><a href="index.html#160">[ thread ]</a><a href="subject.html#160">[ subject ]</a><a href="author.html#160">[ author ]</a>
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<li> <b>Next message:</b> <a href="0161.html">Rene van Paassen: "My Mustek DTC3181E SCSI card seems to work OK"</a>
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<li> <b>Previous message:</b> <a href="0159.html">David Mosberger-Tang: "Re: Scanner driver support"</a>
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</ul>
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Folks:<br>
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<p>
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I'll have to apologize here for casting aspersions on the Linux SCSI driver<br>
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for the Advansys SCSI card. My problems were apparently caused by incorrect<br>
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termination. I contacted Advansys tech support and they did reply quickly,<br>
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in part:<br>
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<p>
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<i>> The issue can be caused by marginal termination. Try disabling the Ultra</i><br>
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<i>> Feature on the PCI card. Also try without the scanner connected.</i><br>
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<p>
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serves me right for not reading the FAQ- specifically, the SCSI FAQ. Or the<br>
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Linux SCSI Howto, which says <br>
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<p>
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2.1 General Flakiness. <br>
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<p>
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If you experience random errors, the most likely causes are cabling and<br>
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termination problems. [...]<br>
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<p>
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I disconnected my external scanner and was able to write and read back a<br>
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set of 969 files (386 meg total) on my internal SCSI tape drive with no<br>
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errors. (I had many errors with a 208 meg file set with it connected.) I then<br>
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set the Advansys to NOT use "Ultra" mode (I have the ABP940-U PCI Ultra<br>
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SCSI) in the boot setup utility, and again the SCSI tape drive had no<br>
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errors on 386 meg written and read.<br>
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<p>
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Unfortunately, the scanner still locks up on large scans even when the<br>
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940-U is out of "ultra" mode, but it seems likely that cable termination is<br>
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the problem (the Advansys wants "active" termination and I'm using passive<br>
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on the external cable).<br>
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<p>
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-john<br>
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<a href="mailto:beale@best.com">beale@best.com</a><br>
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<p>
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<p>
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<pre>
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--
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</pre>
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<p>
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<ul>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0161.html">Rene van Paassen: "My Mustek DTC3181E SCSI card seems to work OK"</a>
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<li> <b>Previous message:</b> <a href="0159.html">David Mosberger-Tang: "Re: Scanner driver support"</a>
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<!-- nextthread="start" -->
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</ul>
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