Make sure you have the newest U2 software. Just because you have the latest PBP3 doesn't mean the U2 Programmer automatically knows what to do with newer chips. Here is ME Labs' link for the U2 software:
https://melabs.com/support/progsoft.htm
Make sure you have the newest U2 software. Just because you have the latest PBP3 doesn't mean the U2 Programmer automatically knows what to do with newer chips. Here is ME Labs' link for the U2 software:
https://melabs.com/support/progsoft.htm
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