plustek@linuxhacker.org

Thanks for the clarifications. I hope you do not think I was being
impatient. Just confused. And, yes, I do know that the LM9833 performs a
super-set of the functions of the LM9832. I could get that much (though
not much more!) out of the datasheets for both chips. It was a good lesson
to me that I stick to theoretical mathematics (my trade) or more basic
hardware hacking (hobby, also used at work).

Theodore Kilgore

On Thu, 17 Oct 2002, Gerhard Jaeger wrote:

> Hi Theodore,
>
> you're correct with these impressions. As the release date of SANE-1.0.9
> is right ahead, I concentrated my work on fixing stuff that touches already
> working devices. As the Canon devices are using other sensor chips as
> other manufacturer, there's lot of work to be done to make the calibration
> stuff working for them. But after releasing SANE-1.0.9, I will start with the
> improvement... (Probably backend version 0.45)
>
> The other point LM9833 or LM9832. I'm not sure what's really inside.
> On one hand, there are two models N670U and N676U, this might implies
> two different chips inside (LM9832 inside 670 and LM9833 inside 676).
> On the other hand there's a mail earlier this year, that somebody managed
> to open the scanner and found a LM9833 - so what?
> Anyway in general this should make no difference, as the code expands
> the 14bit (LM9832) to 16bit, and at least this is the only difference between
> the two ASICs.
>
> By saying "You are right", I meant that I have already noticed, that the
> 1240 is rather an upgraded 670 and should work with a couple
> of code modifications. But this has to be tested...
>
> regards
>   Gerhard
>
> On Donnerstag, 17. Oktober 2002 01:45, Theodore Kilgore wrote:
> > Gerhard,
> >
> > After reading this mail interchange, I get two impressions:
> >
> > 1. There are in fact no changes in the code since 0.44.2 which directly
> > affect the Canon N670U.
> >
> > 2. Changes are contemplated in the near future.
> >
> > Am I correct in these impressions? If so, I look forward with eagerness,
> > but I can say that the scanner actually works pretty well right now, with
> > only a couple of minor complaints.
> >
> > Also:
> >
> > 3. I did not exactly understand what you meant a couple of days ago when
> > you said to me "You are right" concerning the similarities of the N670U
> > and the N1240U.
> > Has it actually been decided whether the N670U has an LM9833 in it (as
> > it was reported to me that someone had opened the box and found one in it,
> > months ago), or does it have the LM9832, as recently reported?
> >
> > Theodore Kilgore
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: plustek-unsubscribe@linuxhacker.org
> For additional commands, e-mail: plustek-help@linuxhacker.org
>