[sane-devel] Tamarack 6000C slooow scanning

Rene Rebe rene.rebe@gmx.net
Tue, 22 Jan 2002 17:29:20 +0100 (CET)


From: Oliver Rauch <oliver.rauch@rauch-domain.de>
Subject: Re: [sane-devel] Tamarack 6000C slooow scanning
Date: Tue, 22 Jan 2002 17:13:35 +0100

> "Andrei B." wrote:
> > 
> > Hi,
> > 
> >  I already put this question when sane was at version 1.0.3
> >  Yesterday I upgraded to sane-1.0.6 and tried again.
> >  I have a Tamarack 6000C scanner (branded ESCOM, but sane-find-scanner
> > sees it as Tamarack) with a g_NCR5380 ISA SCSI card.
> >  As with previous versions of sane, the scanner works, but it works so
> > horribly slow that scanning a full A4 page at 300dpi greyscale takes
> > over an hour!!!
> >  The stepper motor moving the sensor cart moves about one step per
> > second instead of a continuos rapid succession of steps.
> > 
> >  Please advise me what can I do to improve scanning speed.
> 
> Buy a good scsi card. The g_NCR5380 ISA card is trash.
> 
> Bye
> Oliver
> 
> -- 
> Homepage:	http://www.rauch-domain.de
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> 
From: Oliver Rauch <oliver.rauch@rauch-domain.de>
Subject: Re: [sane-devel] Tamarack 6000C slooow scanning
Date: Tue, 22 Jan 2002 17:13:35 +0100

> "Andrei B." wrote:
> > 
> > Hi,
> > 
> >  I already put this question when sane was at version 1.0.3
> >  Yesterday I upgraded to sane-1.0.6 and tried again.
> >  I have a Tamarack 6000C scanner (branded ESCOM, but sane-find-scanner
> > sees it as Tamarack) with a g_NCR5380 ISA SCSI card.
> >  As with previous versions of sane, the scanner works, but it works so
> > horribly slow that scanning a full A4 page at 300dpi greyscale takes
> > over an hour!!!
> >  The stepper motor moving the sensor cart moves about one step per
> > second instead of a continuos rapid succession of steps.
> > 
> >  Please advise me what can I do to improve scanning speed.
> 
> Buy a good scsi card. The g_NCR5380 ISA card is trash.

ok I would throw the cards away, too.

Maybe after this some tuning of buffer sized might also help
additionally. The Avision backend was based on the tamarack one and I
changed some things in this area. But I do not know if the tamarack
backend is still active maintained ...

> Bye
> Oliver

k33p h4ck1n6
  René

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René Rebe (Registered Linux user: #248718 <http://counter.li.org>)

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