# Re: First version of modified Coolscan backend for the LS-30

Nick Lamb (njl98r@ecs.soton.ac.uk)
Sun, 6 Jun 1999 00:44:53 +0100 (GMT)

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On Fri, 28 May 1999, Andreas Rick wrote:

> I've just wrapped up my current state of developement
> for the Coolscan-backend for the LS-30 in to a tar archive
> for those who want to try it at this early stage.

Excellent!

> Warning:
> I experienced system crashes when using the
> AM53C974 low level driver for my Tekram 390 SCSI-adapter
> when doing the autofocus (which is always on in the
> current version).
> I had no problems with the tmscsi driver which also supports
> my Tekram card.

1. I downloaded an integrated the drivers with my SANE setup. I built
the Coolscan stuff static and FTPed it to the scanner machine, which
is a very minimal Linux install.

2. I checked find-scanner (looked good so far)

3. I ran scanimage -L and saw the Coolscan listed (yeah!)

4. I tried scanimage > example, but it locked up the SCSI on my test
machine, and I had to switch off the Coolscan. The main drives on
that machine are SCSI, so this was very scary. I shutdown & restarted

/* I have a DPT card, using Linux 2.2.6 EATA card drivers. It wouldn't
let go until I physically switched off the Coolscan :( */

5. I commented the AutoFocus code out of your driver

6. I re-built, re-transferred and re-installed

7. I ran scanimage > example, and this time I got some data!

I'll write a second mail when I've tinkered with some more values and
taken a look at the code a second time. However, I'm already impressed
that I actually got DATA out of this first alpha driver.

Nick.

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