[s-cars] Which chip is this?

[Robert Pastore]

Igor:

Info you provide re Bosch Eprom PN is accurate (as expected), but...
Are you referring to the padding under the stock label to prevent adhesive
from gumming up the UV window?
I've never seen any writing on this paper, but you had me going this morning
-- I peeled the label back on a half dozen chps -- NOTHING!
I felt like I was playing with soda caps trying to win a free bottle of
coke!

Bob

-----Original Message-----
From: Igor Kessel [mailto:igor at s-cars.org]
Sent: Wednesday, August 28, 2002 10:22 AM
To: Dave Burig
Cc: s-car-list at audifans.com
Subject: Re: [s-cars] Which chip is this?


Dave Burig wrote:
>
> I have finally opened up my ECU, and without opening the circuit board
> "sandwich", looked in and could read the following number (I think it is
the
> same on both the top and bottom chips)
> 1 267 357 394  Numbers in black type, underlined with black magic marker.
>
> The car also has an aftermarket exhaust manifold with a number that begins
> L03111...
> Any info would be appreciated.
>
> TIA
>
> Dave "Mystery Chip" Burig
>
> _______________________________________________
> S-CAR-List mailing list
> S-CAR-List at audifans.com
> http://www.audifans.com/mailman/listinfo/s-car-list

Dave,
that's only the internal Bosch p/n for the EPROM. It is of no relevance
to your recearch.

What you need to do is read what's written on the PAPER stick-on label
that coveres the EEPROM's glass window for the UV eraser. Hopefully it
will contain the hexadecimal checksum number. It will be sort of a
signature of a particular software burnt into the chip. I am sure a few
of us on the list will be able to help you identify it.

--
Igor Kessel
two turbo quattros
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