View single post by slychiu
 Posted: Tuesday Jun 25th, 2019 02:37 pm
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slychiu



Joined: Saturday Apr 29th, 2006
Location: Singapore
Posts: 5495
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I don't know if you mean the u4 eeprom or the mpuThe firmware is in the mpu  If you have upgraded to version 7 then you don't need a new one. The program configuration is in the u4 eeprom. If you have lost the engineer code then you need a new u4, not an mpu 

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