Re: Acer 640U: is it wrecked?

From: Sebastien Sable (Sebastien.Sable@snv.jussieu.fr)
Date: Tue Feb 06 2001 - 10:36:59 PST

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    Shea Martin <snowsquirrel@home.com> writes:

    > I have posted a lot re: this scanner. I had it working under
    > sane1.0.1. Had to format hard drive, and now trying to get it
    > working with latest SNAPSCAN backed, and sane 1.0.4.
    >
    > The scanner will generally start scanning, but can never make it
    > through an entire scan. The sound (of it working) usally comes to a
    > halt, following by a lengthy pause, and then I get an error message
    > saying that there was a failure with devie i/o.

    There are a few lines in snapscan-source.c in the new snapscan which
    look like this:

    if(ps->pss->pdev->model == ACER300F
       ||
       ps->pss->pdev->model == SNAPSCAN310
       ||
       ps->pss->pdev->model == SNAPSCAN1236S
       ||
       ps->pss->pdev->model == VUEGO310S
       ||
       ps->pss->pdev->model == VUEGO610S)
      {
        ps->pss->expected_read_bytes = (size_t) ps->absolute_max;
      }

    Could you try to add your model in the if test (or just put your model
    instead of another one). Then recompile. It corrected a problem rather
    similar for other models.

    If this is not enough, there are a few other places in snapscan code
    with the same kind of test. You may try to do the same modification
    there too.

    -- 
    Sébastien Sablé <Sebastien.Sable@snv.jussieu.fr>
    http://inova.snv.jussieu.fr/~sable/
    

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