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<TITLE>sane-devel: Re: 2 scanners on startup--have only one</TITLE>
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<META NAME="Author" CONTENT="Bob van der Poel (bvdpoel@uniserve.com)">
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<META NAME="Subject" CONTENT="Re: 2 scanners on startup--have only one">
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<H1>Re: 2 scanners on startup--have only one</H1>
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<STRONG>From:</STRONG> Bob van der Poel (<A HREF="mailto:bvdpoel@uniserve.com?Subject=Re:%202%20scanners%20on%20startup--have%20only%20one&In-Reply-To=<3970AFED.297E1A53@uniserve.com>"><EM>bvdpoel@uniserve.com</EM></A>)<BR>
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<STRONG>Date:</STRONG> Sat Jul 15 2000 - 11:39:41 PDT
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<LI><STRONG>Next message:</STRONG> <A HREF="0117.html">Henning Meier-Geinitz: "Re: Bugs and documentation"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0115.html">Oliver Rauch: "Re: Possible sane problem with version 1.0.2 or system"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0121.html">Oliver Rauch: "Re: 2 scanners on startup--have only one"</A>
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<P>
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Oliver Rauch wrote:
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<BR>
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<EM>>
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</EM><BR>
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<EM>> Bob van der Poel wrote:
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> >
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</EM><BR>
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<EM>> >
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</EM><BR>
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<EM>> > Following Oliver's earlier advise I deleted /dev/scanner and I now skip
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</EM><BR>
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<EM>> > the 'pick a scanner' screen. Interestingly, sg1 is a link to sgb. I can
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</EM><BR>
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<EM>> > only assume that xsane is checking /dev/scanner and /dev/sg[a-h], but
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</EM><BR>
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<EM>> > not /dev/sg[0-9].
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</EM><BR>
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<EM>> >
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Hi Bob,
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> that has nothing to do with xsane, it is done in the backend.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> A typicall backnd.conf (here umax.conf) looks something like that:
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> scsi UMAX * Scanner
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</EM><BR>
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<EM>> /dev/scanner
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> The first line is for linux and this means the backend
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</EM><BR>
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<EM>> (there is a lib in the sane package that does it for all sane backends)
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</EM><BR>
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<EM>> searches all generic scsi devices (/dev/sg*) for vendor=id="UMAX"
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</EM><BR>
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<EM>> and type=6 (Scanner). The lib is intelligent enough to know that
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</EM><BR>
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<EM>> /dev/sg1 and /dev/sgb are the same.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> the second line "/dev/scanner" is for non-linux-systems. Here the user
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</EM><BR>
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<EM>> has to tell sane to which device-file the scanner is connected.
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</EM><BR>
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<EM>>
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</EM><BR>
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<P>Thanks, Oliver. All much clearer now. Just a minor suggestion for future
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<BR>
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releases...would it be possible to commment the *.conf files so that
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<BR>
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this is a bit more clear?
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<BR>
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<P><PRE>
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--
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__
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/ ) / Bob van der Poel
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/--< ____/__ <A HREF="mailto:bvdpoel@uniserve.com?Subject=Re:%202%20scanners%20on%20startup--have%20only%20one&In-Reply-To=<3970AFED.297E1A53@uniserve.com>">bvdpoel@uniserve.com</A>
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/___/_(_) /_) <A HREF="http://users.uniserve.com/~bvdpoel">http://users.uniserve.com/~bvdpoel</A>
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<P><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:%202%20scanners%20on%20startup--have%20only%20one&In-Reply-To=<3970AFED.297E1A53@uniserve.com>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0117.html">Henning Meier-Geinitz: "Re: Bugs and documentation"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0115.html">Oliver Rauch: "Re: Possible sane problem with version 1.0.2 or system"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0114.html">Oliver Rauch: "Re: 2 scanners on startup--have only one"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0121.html">Oliver Rauch: "Re: 2 scanners on startup--have only one"</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>Sat Jul 15 2000 - 14:01:53 PDT</EM>
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