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<TITLE>sane-devel: Re: Umax 2200 Scsi - PIII 800 Mhz</TITLE>
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<META NAME="Author" CONTENT="Oliver Rauch (oliver.rauch@Wolfsburg.DE)">
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<META NAME="Subject" CONTENT="Re: Umax 2200 Scsi - PIII 800 Mhz">
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<H1>Re: Umax 2200 Scsi - PIII 800 Mhz</H1>
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<!-- received="Wed Dec 6 08:32:38 2000" -->
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<!-- name="Oliver Rauch" -->
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<!-- subject="Re: Umax 2200 Scsi - PIII 800 Mhz" -->
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<STRONG>From:</STRONG> Oliver Rauch (<A HREF="mailto:oliver.rauch@Wolfsburg.DE?Subject=Re:%20Umax%202200%20Scsi%20-%20PIII%20800%20Mhz&In-Reply-To=<3A2E6A61.E42D3AD7@wolfsburg.de>"><EM>oliver.rauch@Wolfsburg.DE</EM></A>)<BR>
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<STRONG>Date:</STRONG> Wed Dec 06 2000 - 08:33:37 PST
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<LI><STRONG>Previous message:</STRONG> <A HREF="0027.html">abel deuring: "Re: Umax 2200 Scsi - PIII 800 Mhz"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0041.html">Stephen Carr: "Umax 2200 Scsi and Acard atp870u driver working ?"</A>
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abel deuring wrote:
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<P><EM>> I am far away from understanding the driver, but I suspect that the "if
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</EM><BR>
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<EM>> (ata_cdbu[h][0] == 0x12)" clips the data size for the INQUIRY command to
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</EM><BR>
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<EM>> 0x24 bytes. A number of scanners, including Umax, return more data for
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</EM><BR>
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<EM>> this command. And the data clipped off by the atp870u driver might be
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</EM><BR>
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<EM>> essential for the Umax backend. (Oliver, correct me, if I'm wrong)
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</EM><BR>
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<P>Hi Abel, hi Stephen
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<BR>
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<P>the inquiry of umax scanners is about 160 bytes.
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<BR>
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I don`t know what the scsi-driver does.
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<BR>
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The umax-backend sends its own inquiry commands
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and expects that the scsi-driver does not cut the
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inquiry length. If the driver does cut the lenfth
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to less than about 180 bytes the umax backend may
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get in trouble.
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<P>This has nothing to do with sane, it is a scsi driver
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problem. I suggest to inform the author of the scsi driver
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<BR>
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and/or to buy a good scsi controller card.
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<BR>
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<P>Bye
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<BR>
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Oliver
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<BR>
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<P><PRE>
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--
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Homepage: <A HREF="http://www.wolfsburg.de/~rauch">http://www.wolfsburg.de/~rauch</A>
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sane-umax: <A HREF="http://www.wolfsburg.de/~rauch/sane/sane-umax.html">http://www.wolfsburg.de/~rauch/sane/sane-umax.html</A>
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xsane: <A HREF="http://www.wolfsburg.de/~rauch/sane/sane-xsane.html">http://www.wolfsburg.de/~rauch/sane/sane-xsane.html</A>
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E-Mail: mailto:<A HREF="mailto:Oliver.Rauch@Wolfsburg.DE?Subject=Re:%20Umax%202200%20Scsi%20-%20PIII%20800%20Mhz&In-Reply-To=<3A2E6A61.E42D3AD7@wolfsburg.de>">Oliver.Rauch@Wolfsburg.DE</A>
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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:%20Umax%202200%20Scsi%20-%20PIII%20800%20Mhz&In-Reply-To=<3A2E6A61.E42D3AD7@wolfsburg.de>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0029.html">Enno: "Uh - Q!"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0027.html">abel deuring: "Re: Umax 2200 Scsi - PIII 800 Mhz"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0027.html">abel deuring: "Re: Umax 2200 Scsi - PIII 800 Mhz"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0041.html">Stephen Carr: "Umax 2200 Scsi and Acard atp870u driver working ?"</A>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Wed Dec 06 2000 - 08:36:16 PST</EM>
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