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91 wiersze
3.8 KiB
HTML
<!-- received="Sat Jul 24 13:45:17 1999 PDT" -->
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<!-- sent="Sat, 24 Jul 1999 22:57:30 +0200" -->
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<!-- name="Oliver Rauch" -->
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<!-- email="oliver.rauch@Wolfsburg.DE" -->
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<!-- subject="Re: [Fwd: Re: Problem with Astra 1200s]" -->
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<!-- inreplyto="[Fwd: Re: Problem with Astra 1200s]" -->
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<title>sane-devel: Re: [Fwd: Re: Problem with Astra 1200s]</title>
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<h1>Re: [Fwd: Re: Problem with Astra 1200s]</h1>
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<b>Oliver Rauch</b> (<a href="mailto:oliver.rauch@Wolfsburg.DE"><i>oliver.rauch@Wolfsburg.DE</i></a>)<br>
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<i>Sat, 24 Jul 1999 22:57:30 +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#155">[ date ]</a><a href="index.html#155">[ thread ]</a><a href="subject.html#155">[ subject ]</a><a href="author.html#155">[ author ]</a>
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<li> <b>Next message:</b> <a href="0156.html">Oliver Rauch: "any problems with xscanimage/xsane?"</a>
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<li> <b>Previous message:</b> <a href="0154.html">Lee Nevo: "Re: [Fwd: Re: Problem with Astra 1200s]"</a>
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</ul>
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Lee Nevo wrote:<br>
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<p>
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<i>> I apologize for sending the attachments, forgot about the charges that</i><br>
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<i>> others occur. I was just being impatient. Won't happen again.</i><br>
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<p>
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Oh, not such a great problem!<br>
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I only say it to everyone who sends big mails so I can keep the<br>
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mail-size small! There is no great problem if some people do send<br>
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such mails, but if I do not say anything a get a lot of such mails!<br>
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<p>
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<i>> Anyway, back to businees...I disconnected the tape drive internally from</i><br>
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<i>> the controller card. I enabled termination on the card. The kernel</i><br>
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<i>> reports that termination is active. The kernel also reports that the</i><br>
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<i>> card is an Ultra SCSI card, however my documentation does not mention</i><br>
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<i>> that. In any event, I converted the length of my SCSI cable from feet to</i><br>
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<i>> centimeters, and since its a 4' cable, that should be 121.92 cm, so I</i><br>
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<i>> should be under the limit. No luck, same issue.</i><br>
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<i>></i><br>
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<i>> I guess my next step is to go out and find a better terminator to put on</i><br>
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<i>> the scanner?</i><br>
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<p>
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Hm.<br>
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Is it an active terminator? If no, get one, you need an active one<br>
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for an ultra scsi card. It does not help to reduce the speed of the card<br>
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because the gradient of the signals is not changed!<br>
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<p>
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Test also the configuration of the scsi card:<br>
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<p>
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- try to reduce speed from 20/40 mhz (ultra/ultrawide) to 10/20 mhz (fast/fastwide)<br>
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or 5mhz(asyncronous).<br>
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- disable disconnect/reconnect<br>
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- disable tagged command queeing<br>
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<p>
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I know you already did this for one scsi id,<br>
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if possible , do this for the full card and not only for the scanner device.<br>
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<p>
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If all does not help - do you have the umax scsi card uds-11?<br>
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It is a very bad card but for some tests ... (read the umax.faq on my homepage for<br>
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more info<br>
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about that)!<br>
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<p>
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May be you have a frien wit an ncr53c8xx scsi card or a good adaptec card, could be<br>
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worth to try with an other (not ultra) scsi card!<br>
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<p>
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Bye<br>
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Oliver<br>
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<p>
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<pre>
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--
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EMAIL: <a href="mailto:Oliver.Rauch@Wolfsburg.DE">Oliver.Rauch@Wolfsburg.DE</a>
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WWW: <a href="http://www.wolfsburg.de/~rauch">http://www.wolfsburg.de/~rauch</a>
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<p>
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<p>
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<p>
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<p>
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<pre>
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--
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Source code, list archive, and docs: <a href="http://www.mostang.com/sane/">http://www.mostang.com/sane/</a>
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To unsubscribe: echo unsubscribe sane-devel | mail <a href="mailto:majordomo@mostang.com">majordomo@mostang.com</a>
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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="0156.html">Oliver Rauch: "any problems with xscanimage/xsane?"</a>
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<li> <b>Previous message:</b> <a href="0154.html">Lee Nevo: "Re: [Fwd: Re: Problem with Astra 1200s]"</a>
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<!-- nextthread="start" -->
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</ul>
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