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69 wiersze
3.4 KiB
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<!-- received="Wed Aug 6 06:31:35 1997 MST" -->
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<!-- sent="Wed, 06 Aug 1997 09:01:03 -0400" -->
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<!-- name="Michael K. Johnson" -->
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<!-- email="johnsonm@redhat.com" -->
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<!-- subject="Re: COOLSCAN II backend" -->
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<!-- id="199708061301.JAA17765@nigel.redhat.com" -->
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<!-- inreplyto="COOLSCAN II backend" -->
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<title>sane-devel: Re: COOLSCAN II backend</title>
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<h1>Re: COOLSCAN II backend</h1>
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<b>Michael K. Johnson</b> (<a href="mailto:johnsonm@redhat.com"><i>johnsonm@redhat.com</i></a>)<br>
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<i>Wed, 06 Aug 1997 09:01:03 -0400</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#24">[ date ]</a><a href="index.html#24">[ thread ]</a><a href="subject.html#24">[ subject ]</a><a href="author.html#24">[ author ]</a>
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<li> <b>Next message:</b> <a href="0025.html">David Mosberger-Tang: "Re: Error compiling sane 0.62 on AIX 4.1"</a>
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<li> <b>Previous message:</b> <a href="0023.html">Rogan Dawes: "Error compiling sane 0.62 on AIX 4.1"</a>
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<li> <b>Next in thread:</b> <a href="0029.html">Rogier Wolff: "Re: COOLSCAN II backend"</a>
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<li> <b>Reply:</b> <a href="0029.html">Rogier Wolff: "Re: COOLSCAN II backend"</a>
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</ul>
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Didier Carlier writes:<br>
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<i>>The umax backend seems ok, with little modifications, I got it to do</i><br>
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<i>>simple things like the INQUIRE and POSITION commands on the COOLSCAN,</i><br>
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<i>>and these seem to work. It even reads data but unfortunately the</i><br>
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<i>>picture I get is a 28.8 Meg file all black ;-).</i><br>
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<p>
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Ooh, that means you really are most of the way there. I'm fairly<br>
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certain that the problem is that the scanner is confused by the<br>
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set window command -- that often causes scanners to return all<br>
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zeros for data. Of course, getting the rest of the way there<br>
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can be a long journey. I don't know what you have done so far,<br>
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but I'd try reducing the size of the window descriptor block,<br>
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probably to just the minimum defined by section 14 of the scsi<br>
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2 standard. That gives less potential for conflict between<br>
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elements in the wdb, and a better chance of a good scan. If<br>
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that works, you can fill the wdb back in once you hear from Nikon<br>
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what their vendor-specific extensions to the wdb look like.<br>
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<p>
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<i>>I'm now waiting for some detailed interface specs from Nikon to go</i><br>
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<i>>further and I have good hope, as at least they replied to my faxes and </i><br>
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<i>>phone calls. </i><br>
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<p>
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Sounds good! Best of luck,<br>
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<p>
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michaelkjohnson<br>
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<p>
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"Ever wonder why the SAME PEOPLE make up ALL the conspiracy theories?"<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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<!-- 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="0025.html">David Mosberger-Tang: "Re: Error compiling sane 0.62 on AIX 4.1"</a>
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<li> <b>Previous message:</b> <a href="0023.html">Rogan Dawes: "Error compiling sane 0.62 on AIX 4.1"</a>
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<!-- nextthread="start" -->
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<li> <b>Next in thread:</b> <a href="0029.html">Rogier Wolff: "Re: COOLSCAN II backend"</a>
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<li> <b>Reply:</b> <a href="0029.html">Rogier Wolff: "Re: COOLSCAN II backend"</a>
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<!-- reply="end" -->
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</ul>
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