Re: Kodak Digital Science Scanner Problem
- From: Wayne <nospam@xxxxxxxxxxx>
- Date: Wed, 16 May 2007 15:29:51 GMT
In article <1179317184.684688.26930@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
gkamieneski@xxxxxxxxxxx says...
I'll take another look at it, but the Adaptec doc said that only the
32-bit versions were necessary. Seems the Kofax board is a little
more than a SCSI board. I wonder if that's why Device Manager doesn't
report the scanner, just the board?
There would seem a couple of possibilities. SCSI devices do not have to use
ASPI today. SCSI hard disks for example have not used ASPI for years, but
instead use the SCSI API and disk drivers provided by Windows. Others can
use the Windows SCSI API too, but very few scanner drivers were rewritten to
do so. CD drives installed by Windows setup doesnt use ASPI either.
When used, ASPI was the classic interface between the Adaptec SCSI driver
and the other applications (for example the manufacturers device driver).
Other SCSI board manufacturers also provided the ASPI interface. Had to,
since scanner stuff was written to see ASPI. Without ASPI (which Win2000
and WinXP and Vista no longer provide), the scanner is not visible by the
scanner driver or Windows or anyone else, that middle link is missing. A
few scanner companies license and install ASPI with their drivers, but you
can install it from Adaptec for those that dont. The latest ASPI version
will install without an Adaptec board being present (earlier would not,
hence the "Force" stuff).
I am totally ignorant of the Kofax board, but if it worked without ASPI,
then clearly it uses the Windows SCSI API instead of ASPI. Which is the
more modern way today, but it has not been conventional for scanners. I
think Kofax must have written their version of the Kodak scanner driver too,
to work with their board and driver for their application. Like VueScan
writes the device driver too, however VueScan uses ASPI. So the
Kodak-provided scanner drivers probably do use ASPI (guessing), since most
scanners do, almost no one bothered to rewrite.
So the question seems to be if the Kofax SCSI board and driver is spec'd to
also provide an ASPI interface to third party applications needing it, like
probably the Kodak-provided scanner application. They would not need that
for their own application (since you say it works without ASPI), but may do
it as a courtesy to allow other programs to use their SCSI board. Did they,
or didnt they? It would have been an extra step for them to take. A
very superficial look did not see the word ASPI jumping out there. The
Kofax support people could quickly tell you if it is supposed to work or not
with ASPI.
--
Wayne
http://www.scantips.com "A few scanning tips"
.
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