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<TITLE>sane-devel: Re: SCSI or USB</TITLE>
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<META NAME="Author" CONTENT="David Nelson (dnelson@jump.net)">
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<META NAME="Subject" CONTENT="Re: SCSI or USB">
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<H1>Re: SCSI or USB</H1>
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<!-- received="Wed Mar 15 21:04:15 2000" -->
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<!-- subject="Re: SCSI or USB" -->
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<STRONG>From:</STRONG> David Nelson (<A HREF="mailto:dnelson@jump.net?Subject=Re:%20SCSI%20or%20USB&In-Reply-To=<Pine.LNX.4.21.0003152253090.11477-100000@rogue.localdomain>"><EM>dnelson@jump.net</EM></A>)<BR>
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<STRONG>Date:</STRONG> Wed Mar 15 2000 - 21:09:58 PST
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<P>
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<LI><STRONG>Next message:</STRONG> <A HREF="0149.html">Petter Reinholdtsen: "TWAIN on Unix ?"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0147.html">David Mosberger-Tang: "Re: Backend page on www.mostang.com"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0134.html">S.P.Sheriff: "SCSI or USB"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0151.html">Jonathan Buzzard: "Re: SCSI or USB"</A>
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<P>
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Hi Steve,
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<BR>
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<P>If memory serves me, the SuSe USB backport is based on very old USB code.
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<BR>
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You can retreive later backports from <A HREF="http://www.linux-usb.org">http://www.linux-usb.org</A>.
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<BR>
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<P>Although several scanners, 40+, are recognized by the USB scanner driver,
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<BR>
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*most-not all* HP's, Epson, Agfa and soon Acer are known to work via USB
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<BR>
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and SANE. Some info/news can be gathered from
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<BR>
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<A HREF="http://www.jump.net/~dnelson/linux/usb">http://www.jump.net/~dnelson/linux/usb</A>.
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<BR>
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<P>At the soon to be released version of the driver (0.4.2) there seems to be
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<BR>
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a performance issue and this is in the queue for me to investigate.
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<BR>
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Otherwise, some stats that I got before things slowed down are:
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<BR>
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<P> * Performance:
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<BR>
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*
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<BR>
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* System: Pentium 120, 80 MB RAM, OHCI, Linux 2.3.23, HP 4100C USB
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<BR>
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Scanner
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<BR>
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* 300 dpi scan of the entire bed
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<BR>
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* 24 Bit Color ~ 70 secs - 3.6 Mbit/sec
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<BR>
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* 8 Bit Gray ~ 17 secs - 4.2 Mbit/sec
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<BR>
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<P>Hmmm, I thought I had some performance numbers documented in the
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<BR>
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scanner*.txt files comparing w98 and linux but I can't seem to find
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<BR>
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those...sigh. Anyways, 8 bit scans performed equally well, linux
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<BR>
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outperformed w98 on 24 bit scans, though.
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<BR>
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<P>Pictures using an HP-4100 in conjunction with gimp and SANE using Linux
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<BR>
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can be viewed at <A HREF="http://www.jump.net/~dnelson/travels">http://www.jump.net/~dnelson/travels</A>. Scans from an
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<BR>
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HP-5200 were outstanding in comparison with the 4100 (as is the price for
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<BR>
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the 5200 ;).
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<BR>
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<P>Regards,
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<BR>
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/\/elson
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<BR>
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<P><P>On Wed, 15 Mar 2000, S.P.Sheriff wrote:
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<BR>
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<P><EM>> Hi everyone
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Am trying desperately to come to terms with SANE, kernels and modules.
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</EM><BR>
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<EM>> As I see it I have the choice between a SCSI scanner and a USB one for
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</EM><BR>
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<EM>> Linux. The latter seem freely available whilst the former have to be
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</EM><BR>
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<EM>> ordered through a specialist dealer (here in Spain at least). Does
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</EM><BR>
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<EM>> SANE recognise both in the same way or is the way that they are set up
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</EM><BR>
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<EM>> different? Apparently, my kernel (SuSE 6.3 from the box) has support
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</EM><BR>
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<EM>> for USB backported from the 2.3 kernel. Does this mean that I can plug
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</EM><BR>
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<EM>> in a supported USB scanner and have SANE recognise it as a device?
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> Any help however small much appreciated.
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</EM><BR>
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<EM>>
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</EM><BR>
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<EM>> THanks from Steve at FeF, Spain.
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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>> Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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</EM><BR>
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<EM>> To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20SCSI%20or%20USB&In-Reply-To=<Pine.LNX.4.21.0003152253090.11477-100000@rogue.localdomain>">majordomo@mostang.com</A>
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</EM><BR>
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<EM>>
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</EM><BR>
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<P><PRE>
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--
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David /\/elson
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<A HREF="http://www.jump.net/~dnelson">http://www.jump.net/~dnelson</A>
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"Management is doing things right; leadership is doing the right things."
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-- The 7 Habits Book
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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:%20SCSI%20or%20USB&In-Reply-To=<Pine.LNX.4.21.0003152253090.11477-100000@rogue.localdomain>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0149.html">Petter Reinholdtsen: "TWAIN on Unix ?"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0147.html">David Mosberger-Tang: "Re: Backend page on www.mostang.com"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0134.html">S.P.Sheriff: "SCSI or USB"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0151.html">Jonathan Buzzard: "Re: SCSI or USB"</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>Wed Mar 15 2000 - 21:04:45 PST</EM>
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