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Author Topic: ME7 EEPROM programmer  (Read 922588 times)
Cabok
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« Reply #405 on: September 30, 2014, 12:21:07 PM »

 Grin Thanks, I must have too much free time on my hands...
Some bugs fixed (nothing major, just refreshing the command text while entering the values) and added labels.

Edit: get the latest version:
http://nefariousmotorsports.com/forum/index.php?topic=1168.435
« Last Edit: October 17, 2014, 06:16:02 AM by Cabok » Logged
kanaan
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« Reply #406 on: October 04, 2014, 06:40:23 AM »

Here is version v1.40, I added support to 95040, 95080, 95160 and 95P08 as well as more cpu options. It also allows to specify the chip select pin in case the search function can't find it.

Run ME7EEPROM for help.

thanks
I check it with galleto 1250 and works fine.
I read the eeprom of me731 and need to verginise it .
can some one make the file vergin
thanks again
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redtop
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« Reply #407 on: October 04, 2014, 06:55:57 AM »

thanks
I check it with galleto 1250 and works fine.
I read the eeprom of me731 and need to verginise it .
can some one make the file vergin
thanks again

Check out my guide in this thread:
http://nefariousmotorsports.com/forum/index.php?topic=6879.0

Please report your results!
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alexrae
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« Reply #408 on: October 04, 2014, 02:40:43 PM »

And its me again - had a some time to play a little with my ECU - and still need help:
 Bench ECU - A6 3.0 - 7.1.1(written right on box) with 95P08 eeprom- no connect in OBD mode, fails on CS search in bootmode... Found some post when guy tried port P6.3 on 7.1.1. Decided to try - if burn it so be it... But surprisingly - it read eeprom correctly Smiley

But my main computer Im.interesting - ECU  - 4d0 907 559 from A8 2000 (I suspect it 7.1.1 too, but not sure) - and it fails during read in OBD mode, in bootmode it fails on CS search as well. but I`m really afraid to put CS value there by guessing - this is my car - dont want to fry ECU Sad

Found some comment from ArgDub couple years ago:
"There are two option to find the chip select pin, first is disassembling.. or you can follow the CS track with a voltmeter to the ucontroller. Please use this option carefully, if you set an input pin as output you are making a short circuit, this can fry your ecu. "

Can somebody knowledgeable advise how safely find CS for my ECU? Thanks in advance... (desolder chip would be the only option then because does not want to read from clip - to much load to eprom reader - detects overcurrent)
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Tigerimtank
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« Reply #409 on: October 04, 2014, 03:33:02 PM »

ME7.1.1 CSpin P 6.3 Read and Write CSpin p 4.7 Not P6.3 or P4.7 in CMD My 7.1.1 can only read and write in Bootmode
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alexrae
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« Reply #410 on: October 04, 2014, 05:03:23 PM »

ME7.1.1 CSpin P 6.3 Read and Write CSpin p 4.7 Not P6.3 or P4.7 in CMD My 7.1.1 can only read and write in Bootmode

Could you put some delimeters where the logic ends? Cannot get what do you mean... 7.1.1 CS6.3 for read and 4.7 for write? problem with my primary ECU - I dont know exact ME version Sad and same ECU on my other A8 read via OBD just fine... (on both main number is the same - 4d0 907 559, only the problematic one has manually corrected version from 6 to 9 or so).. it has 95040 eeprom (not 5p08 as on my bench 7.1.1 ECU)
« Last Edit: October 04, 2014, 05:06:46 PM by alexrae » Logged
ddillenger
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« Reply #411 on: October 04, 2014, 06:49:14 PM »

4B0907559 is ME7.1
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alexrae
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« Reply #412 on: October 04, 2014, 07:36:52 PM »

4B0907559 is ME7.1

did you mean 4D0907559? what would be CS in this case? Thanks in advance
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alexrae
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« Reply #413 on: October 09, 2014, 01:04:58 PM »

Funny - had some time to play with my bench ECU 7.1.1. - unsolder 5p08 and tried to read using Willem CS866 programmer... sadly it does not have 5p08 in the list of supported chips, so I start with trying to read as 95080 ( they have same memory size) - but the results was kind of funny - first few pages looks like original read via bootmode(only shifted 1 byte) and then it became completely different with random garbage... But when I read it as 95040 - it returns exactly the same result as my original read for the 512 bytes  (other 512 bytes in original read are FF)... So I assume format/protocol of reading those 2 close memory types is different... and probably 5p08 chip can be replaced with 95040 one Smiley
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ddillenger
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« Reply #414 on: October 09, 2014, 01:45:35 PM »

Many non ST equipped ME7.1.1 may have larger eeproms, but there's still only 512kb of data. The rest, as you discovered, is FF.
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hammersword
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« Reply #415 on: October 09, 2014, 05:16:35 PM »

I am really wondering how FRC has the possibility to read/writhe eeprom via OBD!
Do you have any ideas guys?

Also there is one more tool that does this job "VAG ECU TOOL"
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turboat
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« Reply #416 on: October 09, 2014, 11:45:10 PM »

I was under the impression that writing over obd is possible but argdub chose to only write in bootmode to reduce the chance of this tool being used for car theft.
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alexrae
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« Reply #417 on: October 10, 2014, 09:43:10 AM »

Many non ST equipped ME7.1.1 may have larger eeproms, but there's still only 512kb of data. The rest, as you discovered, is FF.
oh, I just wanted to verify content of the eeprom on the lower level... Could you advise CSpin for 4D0907559? (as you said - it most likely 7.1)
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ddillenger
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« Reply #418 on: October 10, 2014, 02:07:43 PM »

oh, I just wanted to verify content of the eeprom on the lower level... Could you advise CSpin for 4D0907559? (as you said - it most likely 7.1)

There is no most likely about it. It IS 7.1.

As for the CSpin, it should autodetect. Failing that, it's the same as other ME7.1. Just look at the screen when they autodetect and use that.
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alexrae
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« Reply #419 on: October 10, 2014, 06:33:00 PM »

Thats the problem - it does not want autodetect Sad today I took same ECU from my another A8 (the one was read via OBD) and wanted to read it in bootmode to see what CS pin it would select - but it also failed on CSpin detection Sad
You said CSpin should be the same as for the any other 7.1 ECU, but how can I tell from the screenshots in this topic which one is 7.1? in the output there no ME version ... Sad
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