So nobody has a suggestion besides wrong wireing.
It works fine with the 3.3V from the Duemilanove board thats no problem.
@ WanaGoI have the option to use the 644P instead of the 644, or better said I ordered it already for testing. I used the Sanguino bootloader first so I can change back (I have the Atmel AVRISP MK2 to burn the bootloader). Would it be possible for you to post your modifed files for the 644P or to send it by email ?
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