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Author Topic: ATMega 1280 : avrdude: verification error...  (Read 533 times)
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Hi,

I have an arduino board (ATmega1280). The board works well before I change it from one place to another. Now the following error is showed when I upload a program (and it's uploaded to the board):

avrdude: verification error, first missmatch at byte 0x0482
0x64 != 0xc8
avrdude: verification error; content missmatch


What does it mean?

Thanks
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Shannon Member
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I think that means there is a bad byte in the flash memory that isn't programming correctly.  Double check your hardware configuration (especially supply voltage) and try again - there are other reasons it could fail including unreliable connections between computer and Arduino.
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