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<TITLE>sane-devel: sane: UMAX Astra 2200 SCSI problems</TITLE>
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<META NAME="Author" CONTENT="Kenneth E. Harker (kharker@cs.utexas.edu)">
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<META NAME="Subject" CONTENT="sane: UMAX Astra 2200 SCSI problems">
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<H1>sane: UMAX Astra 2200 SCSI problems</H1>
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<!-- name="Kenneth E. Harker" -->
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<!-- subject="sane: UMAX Astra 2200 SCSI problems" -->
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<!-- id="20000228105232.A1240@cs.utexas.edu" -->
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<STRONG>From:</STRONG> Kenneth E. Harker (<A HREF="mailto:kharker@cs.utexas.edu?Subject=Re:%20sane:%20UMAX%20Astra%202200%20SCSI%20problems&In-Reply-To=<20000228105232.A1240@cs.utexas.edu>"><EM>kharker@cs.utexas.edu</EM></A>)<BR>
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<STRONG>Date:</STRONG> Mon Feb 28 2000 - 08:52:33 PST
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<LI><STRONG>Next message:</STRONG> <A HREF="0390.html">Brian Green: "microtek X6EL"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0388.html">Oliver Rauch: "Re: xsane: tempfile handled insecurely"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0391.html">Oliver Rauch: "Re: sane: UMAX Astra 2200 SCSI problems"</A>
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<HR NOSHADE><P>
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<P>
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Maybe someone on the list can help me identify my problem...
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<BR>
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<P> I have a UMAX Astra 2200 scanner that I would like to use with SANE
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<BR>
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under Intel Linux using the SCSI interface. My first attempt at this was from
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<BR>
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a 486DX4/100, 20MB RAM, laptop running RedHat 3.0 upgraded to a 1.3.100 kernel
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<BR>
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with a built-in Adaptec AHA-1510 SCSI-2 adaptor, using the aha52x.o driver
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<BR>
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and the the scanner at /dev/sga. Using scanimage from sane 1.0.1 and the UMAX
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<BR>
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backend (because of space limitations, I never tried to install xsane or the
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<BR>
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gimp stuff,) every scan that I made was off by a bit. I would get 1.5" to 2"
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<BR>
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of garbage at the top of the scan, and the scan would end about 1.5" to 2"
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<BR>
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from the bottom of the 8.5" x 11" page.
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<BR>
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<P> I have since acquired a Pentium 166 tower workstation with 32MB RAN,
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<BR>
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and installed RedHat 6.1 on it, upgraded to a 2.3.46 kernel. I acquired an
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<BR>
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Ultrastor 14F SCSI-2 EISA card, installed it, and am using the 14f_34f.o
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<BR>
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driver, with the #defines correctly set for this particular card's firmware
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<BR>
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version. The scanner is once again /dev/sga. I installed sane 1.0.1, with
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<BR>
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the sane-umax-1.0.1-build-18.tar.gz patch applied, and xsane 0.57. I am
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<BR>
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seeing the _exact_ same behavior using both scanimage and xsane. Except, in
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<BR>
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xsane's "preview" grabbing, the garbage accounts for over 2/3 of the length of
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<BR>
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the scan. During an actual scan, I can watch the scanner head, and it doesn't
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<BR>
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start moving until more a second or two after the "Acquiring RGB data" (or
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<BR>
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whatever it is, exactly) progress bar starts filling up with green. The
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<BR>
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portion of the glass that does get scanned is being scanned accurately, though:
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<BR>
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<P> (<A HREF="http://www.cs.utexas.edu/users/kharker/temp/temp5.jpg">http://www.cs.utexas.edu/users/kharker/temp/temp5.jpg</A>) (~200K)
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<BR>
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<P> In both cases, the scanner was the only device on the SCSI chain.
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<BR>
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I actually have two SCSI-2 (high density 50 pin) to SCSI-1 (DB-25) cables,
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<BR>
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and have tried both. I am terminating the chain at the scanner end using
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<BR>
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the external terminator (DB-25 connector) that came with the scanner.
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<BR>
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I have tried plugging the cable into both of the DB-25 connectors on the
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<BR>
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scanner. Nothing is connected to the scanner's USB port or to the SCSI-2
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<BR>
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card's internal 50-pin connector.
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<BR>
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<P> a) How would I be able to tell if the scanner is really broken? I do
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<BR>
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not run Windows at all, and my Macintosh is pre-Power-PC, so the software
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<BR>
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it came with won't help me.
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<BR>
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<P> b) Could this be something like active termination vs. passive
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<BR>
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termination on the SCSI bus? The scanner is obviously using passive
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<BR>
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termination.
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<BR>
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<P> c) Do I need to terminate the "internal" 50-pin connector on the
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<BR>
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SCSI card if I don't have a hard disk or CD-ROM drive on it? How would I
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<BR>
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do that?
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<BR>
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<P><P> Any other ideas to get this working?
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<BR>
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<P> d) and on another note - there's no power button on this thing, and
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<BR>
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the scanning bulb stays lit _all_ the time. Is that normal?
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<BR>
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<P><P> Thanks in advance for any help!
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<BR>
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<P><PRE>
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--
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----------------------------------------------------------------------------
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Kenneth E. Harker "Vox Clamantis in Deserto" <A HREF="mailto:kharker@cs.utexas.edu?Subject=Re:%20sane:%20UMAX%20Astra%202200%20SCSI%20problems&In-Reply-To=<20000228105232.A1240@cs.utexas.edu>">kharker@cs.utexas.edu</A>
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University of Texas at Austin Amateur Radio Callsign: KM5FA
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Department of the Computer Sciences President, UT Amateur Radio Club
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Taylor Hall TAY 2.124 Maintainer of the Linux Laptop Home Page
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Austin, TX 78712-1188 USA <A HREF="http://www.cs.utexas.edu/users/kharker/">http://www.cs.utexas.edu/users/kharker/</A>
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----------------------------------------------------------------------------
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<P>--
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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?Subject=Re:%20sane:%20UMAX%20Astra%202200%20SCSI%20problems&In-Reply-To=<20000228105232.A1240@cs.utexas.edu>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0391.html">Oliver Rauch: "Re: sane: UMAX Astra 2200 SCSI problems"</A>
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<EM>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Mon Feb 28 2000 - 08:46:56 PST</EM>
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