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69 wiersze
3.2 KiB
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<!-- received="Tue Jul 6 00:54:16 1999 PDT" -->
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<!-- sent="Tue, 06 Jul 1999 09:56:15 +0200" -->
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<!-- name="Wolfgang Goeller" -->
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<!-- email="wgoeller@active.ch" -->
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<!-- subject="Re: once more on the aha152x problem" -->
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<!-- inreplyto="once more on the aha152x problem" -->
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<title>sane-devel: Re: once more on the aha152x problem</title>
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<h1>Re: once more on the aha152x problem</h1>
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<b>Wolfgang Goeller</b> (<a href="mailto:wgoeller@active.ch"><i>wgoeller@active.ch</i></a>)<br>
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<i>Tue, 06 Jul 1999 09:56:15 +0200</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#40">[ date ]</a><a href="index.html#40">[ thread ]</a><a href="subject.html#40">[ subject ]</a><a href="author.html#40">[ author ]</a>
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<li> <b>Next message:</b> <a href="0041.html">Steve Gunnell: "Sane 1.0.1 Compilation errors with gimp 1.1.4"</a>
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<li> <b>Previous message:</b> <a href="0039.html">Brian B.: "once more on the aha152x problem"</a>
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<li> <b>Maybe in reply to:</b> <a href="0039.html">Brian B.: "once more on the aha152x problem"</a>
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</ul>
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"Brian B." wrote:<br>
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<p>
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<i>> my question now lies in the "synchronous=disabled" there is a jumper the card</i><br>
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<i>> to enable/disable synchronous negotiation, but no matter how I set the jumper I</i><br>
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<i>> still get "synchronous=disabled" in the boot mesg.</i><br>
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<p>
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Your scanning-problems are in now way affilated with synchronous-options.<br>
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synchronous is only important, if you have several devices connected to<br>
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your card. So in your case this option is not useable/used.<br>
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<p>
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<i>> Could this be some of my problem? I really am new with scsi so I really dont</i><br>
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<i>> know much about it. And what about termination. Is there more I need to buy</i><br>
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<i>> other than my card scanner and cable? </i><br>
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<p>
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Your scanner is - unless otherwise in the manuals stated - equipped with<br>
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SCSI-termination. Your Adaptec-card is by default equipped with little<br>
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inline-resistors (2 or three rows). Again: That's correct for you.<br>
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<p>
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To be more general: You need on both ends of the SCSI-BUS termination.<br>
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<p>
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T=Terminated; U=Unterminated; D=Device (Scanner/HD/CDROM...); A=SCSI-Adapter<br>
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<p>
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TA----UD----UD---TD or in case of internal and external Devices:<br>
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TD----UD---UD---UD---UA--UD---UD---TD.<br>
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Your case is the most simple case: TA-----TD<br>
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<p>
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Note that this cabeling-scheme is independent of the SCSI-IDs of the devices.<br>
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<p>
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Regards<br>
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Wolfgang<br>
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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="0041.html">Steve Gunnell: "Sane 1.0.1 Compilation errors with gimp 1.1.4"</a>
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<li> <b>Previous message:</b> <a href="0039.html">Brian B.: "once more on the aha152x problem"</a>
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<li> <b>Maybe in reply to:</b> <a href="0039.html">Brian B.: "once more on the aha152x problem"</a>
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<!-- nextthread="start" -->
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<!-- reply="end" -->
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</ul>
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