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Author Topic: ME7 EEPROM programmer  (Read 921020 times)
Il Signor Zetec
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« Reply #60 on: January 17, 2012, 12:40:34 PM »

thank you. so, boot mode is again necessary also on this obd version??I didn't understand...

I answer myself...for now, with this software, throught obd I can also read it, I need boot mode!
However, I read now my ECU 8N0 906 018J without problems! File 512 byte in output! Which free software can I use to compare it with another 95040 file?
Is it necessary only the 95040 and 29f800 file to backup after a possible blocked ecu?? Now I have both!
thank you
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SundayNightDriver
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« Reply #61 on: January 23, 2012, 03:04:23 AM »

Strange, the program doesn't work on my A8 through OBD. ECU replies, reading starts.. and fails after a while.
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toplink
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« Reply #62 on: January 30, 2012, 04:25:40 PM »

File 512 byte in output!

same problem
made  me7_95040 --OBD -r -p 1 95040.bin command
why got only 512 byte file size?

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IBIZA 1.8 20VT AYP
ArgDub
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« Reply #63 on: January 30, 2012, 05:30:54 PM »

Il Signor Zetec:
Yes, 95040 and 29f800 is all you need to make a backup.

SundayNightDriver:
what exit code is returned? or better, could you post a screen cap?

toplink:
512 byte is the EEPROM size, I think you are confused with flash memory which has a size of 512kb or 1Mb
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haenszel
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« Reply #64 on: February 22, 2012, 06:42:15 PM »

Tried old and this new version on an R32 via OBD and it just says
Initializing ..... FAIL (error=0x01)

What do you think. Is bootmode going to be required.
I'm getting the exact same error on a 2004 R32.  Tried it in boot mode and it gives an error=0x07.  Cycle key back into regular mode and it gives error=0x01 again.

Any help?  Trying to drop in a new ECU into this car that is currently on a GIAC turbo map.

Thanks!
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toplink
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« Reply #65 on: February 23, 2012, 10:28:59 AM »

toplink:
512 byte is the EEPROM size, I think you are confused with flash memory which has a size of 512kb or 1Mb

how do i get flash memory file?
which software tools?

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IBIZA 1.8 20VT AYP
skalo
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« Reply #66 on: February 25, 2012, 02:21:40 AM »

hello I new how to read an save eeproms if you ar instrested how to do it I can make a video and upload here
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SteveAR
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« Reply #67 on: March 02, 2012, 10:07:03 AM »

So I have a 95080 IC on the back of my ECU.  95040 is 4KB and 94080 is 8KB.   Will this tool work?

Anyone know how to extract data (VIN/SKC etc) out of the dump file? I think I need to know the memory start/end locations for each piece of info and also maybe convert from hex(?) to decimal.
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ArgDub
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« Reply #68 on: March 02, 2012, 10:51:05 AM »

So I have a 95080 IC on the back of my ECU.  95040 is 4KB and 94080 is 8KB.   Will this tool work?

Anyone know how to extract data (VIN/SKC etc) out of the dump file? I think I need to know the memory start/end locations for each piece of info and also maybe convert from hex(?) to decimal.

Have you tried reading it with me7_95040? you can get the SKC using the option --SKC.
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SteveAR
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« Reply #69 on: March 02, 2012, 11:19:27 AM »

No haven't tried it yet.  The ECU I'm working with is a spare but I still don't want to damage it in any way.  So I figured I'd ask before attempting to read/write. 
I did find this thread:

http://nefariousmotorsports.com/forum/index.php?topic=1195.0title

Three or four responses down it does speak of how to convert info in the dump file.  $30/$40 address locations, swapping the bits and converting to decimal.   
I will try me7_95040 tonight though.  Attempting to read probably won't hurt anything.  It may just grab the first 512K of my IC instead of the whole 1024K. (?)
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ArgDub
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« Reply #70 on: March 02, 2012, 11:47:00 AM »

Steve, what is the ecu #?

Quote from: SteveAR
Three or four responses down it does speak of how to convert info in the dump file.  $30/$40 address locations, swapping the bits and converting to decimal.

That's what --SKC option does, dont remember exact address locations though.
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SteveAR
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« Reply #71 on: March 02, 2012, 12:14:46 PM »

The ECU is labeled as a 4Z0 907 551 R and it supposedly came out of a 2004 Audi A6
When I connected with VCDS, it reported it as 4Z7 907 551 S but was soft coded as a automatic(TIP) A6. 
I'm ok with the "S" as I’m putting this in my ALLROAD and VCDS reports I currently have the S load on my (working) Allroad ECU.

They are both ME 7.1.1 and both should be BEL 2.7T motors.

I have not opened up my working ECU to see what kind of IC is on that one.

And from doing some further reading on these forums, it seems that the BEL/7.1.1 Allroad & A6 ECU's are VERY finicky about entering boot mode.   That said I'm leaning back toward
Just reading the info off my stock ECU, flashing that data to a new IC with a standard programmer and swapping the IC onto the PCB.  I assemble prototype PCB's at my job  so I have access to all the right tools.   I would eventually like to try boot mode/flashing and all those fun things.

I did order some replacement IC's from digikey in case I have to go that route.
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robin
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« Reply #72 on: March 02, 2012, 04:34:06 PM »

I have used it on a 4Z7907551R with 100% success over OBD read and boot write. No issues... what baud rate are you using?
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SteveAR
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« Reply #73 on: March 02, 2012, 06:44:41 PM »

I have used it on a 4Z7907551R with 100% success over OBD read and boot write. No issues... what baud rate are you using?

I haven't yet tried to read or write. I was all set to de-solder/read on a programmer until someone pointed me toward this thread & ME7_95040 program.

I'm happy to hear that you've successfully read and boot/write to the same ECU!   Did you find it was finicky? I've read that alot.    I have to research more, but do you know of a good thread to guide me on boot mode? I believe I have to ground pin 24 on the flash memory IC on the top side of the ECU? Just rattling that off the top of my head, not sure if true.
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SteveAR
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« Reply #74 on: March 02, 2012, 08:44:18 PM »

Well,  I'm connecting to the ECU and it's starting the read process. I've tried it 15-20 times and each time it fails at a different point in the read cycle.  Sometimes it fails just after connection and sometimes it fails when the ......... is almost to the right side of the screen.  Monitoring my power supply and I have a steady 13.98V.   Not to say there couldn't be some AC ripple on the supply, it's a cheap(er) radioshack model from 20 years ago.  I will try a PC power supply tomorrow; any other ideas?  Going with default baud rate (10400)
  error is 0x07.
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