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 > > -- > sane-devel mailing list: sane-devel at lists.alioth.debian.org > http://lists.alioth.debian.org/mailman/listinfo/sane-devel > Unsubscribe: Send mail with subject "unsubscribe your_password" > to sane-devel-request at lists.alioth.debian.org > -- "The truth is an offense, but not a sin"
