1995 BMW DME

[r_tech at earthlink.net]

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I don't know if my first sending of this message made it so here goes =
again:

Well my numbers are 0 261 203 282 with a 078 circled and 1 267 358 595.=20

Was I correct to say that the unfolding is to disassemble with proper =
labeling? Or am I way off base. I guessed from a message that you posted =
a while back that the mpu was a 80515 type and what I meant as an 8051 =
base is that they share the same code base. I have the intel databook =
for their 8bit embedded processors and knew that what I have compared to =
their lit that they were not the same. I obtained the Siemens lit since =
their name is etched on the top. But it appears that AMD is contracted =
to produce thier dies. The two that I was going to compare were of the =
siemens 80c5xx series. I will admit it would have been a good mystery =
requiring extensive understanding of the pin functions as well as dme =
functions.

BTW does this system have embedded rom? Any idea what the Bosch sipp =
devices are that are attatched to the heat sink (part# VB433881.1)and is =
there literature available for them? My guess is that they are part of =
the actual fuel injection drive control. I'm probably off base there =
too.. The coil drivers are obvious. What else would need a fet that =
large! The small raised board in the center, what is that?=20

Do you need a copy of my binary?  If so what is the best way for me to =
mail it to you?  I would like to send you a copy of the disassembled =
code to ask if I am doing the right thing and not excluding some =
important stuff or "defining bytes" that need to be code. Let me know if =
you feel up to that. I am using DIS8051 to do this.=20

Thanks=20

Robert Montano=09
=20
PS:  What is this software package you are talking about that you =
developed?


At 10:21 PM 10/16/97 -0700, you wrote:

>Second, does the binary image for this ECU need to be "unfolded" as in
>the discussion of the motronic 1.1 in the archive? I would guess that
>this is so that the code can be DA at address 8000h and therefore
>generate proper labeling and other addressing. In addition is the =
number
>of bytes to unfold still 2k or is it greater?

 Which ECU.. all the ones I know of.. 990, 282, 357 all are M1.7.2 and
 are "folded"... they are NOT 8051, but 80515 with a lot more registers

 Even M1.1 was the 8052

 What are you trying to do.. exactly.. maybe I can help!

 This is what I do for a living.. I developed a Win95 tuning tool for=20
 Motronic that can even resize the injectors with the click of a mouse
 Even BOSCH does not have that capability!!

 You need to tell me.. Hardware #, and Software # to start..

 0 261 20x xxx from the DME cover and 1 267 35x xxx from the EPROM label

 Jim Conforti
 Managing Engineer
 Bonneville Motor Werks

 (soon to be at: http://www.bonnevillemotorwerks.com)





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