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<!-- received="Mon Dec 6 13:38:26 1999 PST" -->
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<!-- sent="Mon, 06 Dec 1999 22:38:10 +0100" -->
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<!-- name="Rod Pike" -->
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<!-- email="rodneyp@netway.at" -->
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<!-- subject="Re: UMAX Astra 1200S seems to hang on all commands" -->
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<!-- inreplyto="UMAX Astra 1200S seems to hang on all commands" -->
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<title>sane-devel: Re: UMAX Astra 1200S seems to hang on all commands</title>
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<h1>Re: UMAX Astra 1200S seems to hang on all commands</h1>
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<b>Rod Pike</b> (<a href="mailto:rodneyp@netway.at"><i>rodneyp@netway.at</i></a>)<br>
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<i>Mon, 06 Dec 1999 22:38:10 +0100</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#68">[ date ]</a><a href="index.html#68">[ thread ]</a><a href="subject.html#68">[ subject ]</a><a href="author.html#68">[ author ]</a>
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<li> <b>Next message:</b> <a href="0069.html">Mark Brown: "Re: UMAX Astra 1200S seems to hang on all commands"</a>
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<li> <b>Previous message:</b> <a href="0067.html">Nathan Kennedy: "Re: UMAX Astra 1200S seems to hang on all commands"</a>
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<li> <b>Maybe in reply to:</b> <a href="0059.html">Nathan Kennedy: "UMAX Astra 1200S seems to hang on all commands"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0069.html">Mark Brown: "Re: UMAX Astra 1200S seems to hang on all commands"</a>
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<!-- reply="end" -->
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</ul>
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Sorry if I'm repeating questions, I don't recall seeing the beginning of the<br>
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thread.<br>
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<p>
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Is the 2920 terminated?<br>
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Make sure you haven't left the ZIP terminator switched on in addition to the UMAX<br>
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supplied terminator.<br>
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<p>
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It sounds like you are using the cable that came with the ZIP. What's the other<br>
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cable you are using, I'm not familiar with the 2920 does it use a 25 pin D Sub,<br>
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a 50 pin Centronics type or a 50 pin High density?<br>
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<p>
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Try simplifying your SCSI cabling. Does it work without the ZIP drive attached<br>
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using the shortest cable and the supplied terminator?. If this passes or fails,<br>
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try the longer cable. If both work or not try adding the ZIP to the end of the<br>
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buss and using the internal termination in the ZIP to terminate the buss. I<br>
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think the UMAX supplied terminator is passive, the one in the ZIP is active and<br>
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should do a better job.<br>
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<p>
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I have a ZIP and UMAX 1220S as well. I would put the ZIP at the end of the buss<br>
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instead of the scanner. I've tried other configurations and "seem" to remember<br>
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having problems. I also "think" I had problems with the UMAX supplied cable but<br>
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it's been a while and it may have been due to another device causing problems. I<br>
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also tend to have alot of cabling/devices in my setup which can be problematic.<br>
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You tend to get alot of discontinuities on the bus and different cabling with<br>
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different impedances which can degrade the buss. Your setup doesn't sound like<br>
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it should be a problem as long as the terminators are working properly which the<br>
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above tests may help determine.<br>
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<p>
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I'm currently running 4 internal devices on a 5' ribbon and 3 external devices<br>
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with about 8' of cable using an Adaptec 2940 and it's working (allways knock on<br>
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wood). The scanner is the first external device on the buss, then the ZIP and<br>
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finally an actively terminated hard drive is on the end of the buss.<br>
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<p>
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Hope that helps. Good luck<br>
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<p>
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Nathan Kennedy wrote:<br>
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<p>
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<i>> The scsi bus is terminated at the scanner using the terminator that came with</i><br>
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<i>> it. The cable situation is a little long, but under the 20 ft.</i><br>
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<i>> specification. I have on 6 foot cable going from the scsi card to the zip</i><br>
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<i>> drive, and a three foot cord from the zip drive to the scanner.</i><br>
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<i>></i><br>
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<i>> Nathan %-)</i><br>
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<i>></i><br>
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<i>> Oliver Rauch wrote:</i><br>
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<i>></i><br>
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<i>> > Nathan Kennedy wrote:</i><br>
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<i>> ></i><br>
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<i>> > > I just bought a brand new UMAX Astra 1200S scanner specifically for use</i><br>
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<i>> > > with sane. However it seems that it hangs on the initialization of the</i><br>
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<i>> > > scanner. I am using the card on an adaptec 2920 PCI card with a zip</i><br>
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<i>> > > drive in-line with the scanner.</i><br>
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<i>> > ></i><br>
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<i>> > > I have run the scanimage -T with a dll debug level of 128. Everything</i><br>
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<i>> > > goes fine, until it reaches the do_calibration command. Then it just</i><br>
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<i>> > > sits waiting for the scanner. I can usually <ctrl> c out of it, but any</i><br>
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<i>> > > attempt to unload the sg module and fdomain module results in a total</i><br>
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<i>> > > system lock up.</i><br>
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<i>> > ></i><br>
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<i>> > > Any help with this would be great. I am really looking forward to</i><br>
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<i>> > > removing windows off of my computer.</i><br>
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<i>> ></i><br>
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<i>> > Hi Nathan,</i><br>
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<i>> ></i><br>
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<i>> > is the scsi bus terminated correct on both ends of the bus,</i><br>
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<i>> > how long is the scsi bus (all scsi cables together)?</i><br>
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<i>> > is the driver for your scsi controller up to date?</i><br>
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<i>> > Is disconnect reconnect disabled?</i><br>
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<i>> ></i><br>
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<i>> > Bye</i><br>
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<i>> > Oliver</i><br>
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<i>> ></i><br>
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<i>> > --</i><br>
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<i>> > Homepage: <a href="http://www.wolfsburg.de/~rauch">http://www.wolfsburg.de/~rauch</a></i><br>
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<i>> > sane-umax: <a href="http://www.wolfsburg.de/~rauch/sane/sane-umax.html">http://www.wolfsburg.de/~rauch/sane/sane-umax.html</a></i><br>
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<i>> > xsane: <a href="http://www.wolfsburg.de/~rauch/sane/sane-xsane.html">http://www.wolfsburg.de/~rauch/sane/sane-xsane.html</a></i><br>
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<i>> > E-Mail: <a href="mailto:Oliver.Rauch@Wolfsburg.DE">mailto:Oliver.Rauch@Wolfsburg.DE</a></i><br>
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<i>> ></i><br>
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<i>> > --</i><br>
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<i>> > Source code, list archive, and docs: <a href="http://www.mostang.com/sane/">http://www.mostang.com/sane/</a></i><br>
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<i>> > To unsubscribe: echo unsubscribe sane-devel | mail <a href="mailto:majordomo@mostang.com">majordomo@mostang.com</a></i><br>
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<i>></i><br>
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<i>> --</i><br>
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<i>> Source code, list archive, and docs: <a href="http://www.mostang.com/sane/">http://www.mostang.com/sane/</a></i><br>
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<i>> To unsubscribe: echo unsubscribe sane-devel | mail <a href="mailto:majordomo@mostang.com">majordomo@mostang.com</a></i><br>
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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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<!-- body="end" -->
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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="0069.html">Mark Brown: "Re: UMAX Astra 1200S seems to hang on all commands"</a>
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<li> <b>Previous message:</b> <a href="0067.html">Nathan Kennedy: "Re: UMAX Astra 1200S seems to hang on all commands"</a>
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<li> <b>Maybe in reply to:</b> <a href="0059.html">Nathan Kennedy: "UMAX Astra 1200S seems to hang on all commands"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0069.html">Mark Brown: "Re: UMAX Astra 1200S seems to hang on all commands"</a>
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<!-- reply="end" -->
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</ul>
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