[sane-devel] Linoscan 1200 on Linux

[m. allan noah]

well, the unmaintained umax1220u backend also supports that PV chip,
so thats a start. I suppose you could try to get that backend to talk
to the scanner. the worst that can happen is permanent hardware damage
:)

allan

On 1/13/08, Ben F-W <sane at flemingwilliams.co.uk> wrote:
> m. allan noah wrote:
> > easiest thing to do is to open the scanner and get logos and numbers
> > off the larger chips.
> >
> Right: one brief disassembly later, the most relevant seem to be the
> Powervision PV8630DL (mentioned at
> www.sane-project.org/unsupported/trust-combiscan-19200.html) and the
> Winbond W6662CF (mentioned at
> www.sane-project.org/unsupported/artec-ultima-2000-2.html).
>
> The large square chip in the centre has "13010059-5000 E17B3-000 0007"
> on it. Then, going clockwise around that, there's:
>
>     * A long wide chip which has a plastic sticker with "Linoscan 1200
>       U1 V1.0" written on it. Peeling off the sticker reveals that it's
>       a Winbond chip, with W27C512-45 on one line and
>       007IC29392990-RR1SB. This is EEPROM according to
>       www.chipdocs.com/datasheets/datasheet-pdf/Winbond-Electronics/W27C512-12.html
>     * A long thin chip with UT51C164JC-35 006 and a logo containing a
>       circle-within-another, joined at the top. This is UTRON EDO DRAM
>       (www.chipdocs.com/datasheets/datasheet-pdf/UTRON/UT51C164JC-35.html)
>     * The Winbond chip, with the letters W6662CF, 293529402, 9470CSA on
>       it. This is Scanner Analog Front End
>       (www.digchip.com/datasheets/parts/datasheet/523/W6662CF.php).
>     * A smaller chip with another logo and L6219DS, W990D9922, Malaysia.
>       Looks like being a motor driver.
>     * A small chip with ATC 93LC46 9948 (this is described as a 1kbit
>       serial EEPROM at http://linas.org/banned/cuecat/matrixpm/)
>     * The PowerVision chip with PV8630DL, 0003-U2B0B, Taiwan, 0030
>
> Those seem to be the interesting ones. The fact the two main chips are
> mentioned in the 'unsupported' part of sane-project.org doesn't bode
> well: any idea whether it's possible to get this to work?
>
> Let me know if you'd like pictures...
>
> Thanks,
>
> Ben
>
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