Thank you for the response, my problem turned out to be a much simpler code limitation where there was >= should just have been > and was limiting the address to not be the exact size of the eeprom (128). A simple if statement I missed. I can now read/write to the entire chip, although my project is...

Sorry to jump in but I think one or two of you might be able to help me with my problem with the DS2431. I am using the code here to read/write to the DS2431 1-wire chip https://github.com/tommag/DS2431_Arduino/blob/master/examples/DS2431_ReadWriteSkip/DS2431_ReadWriteSkip.ino I'm able to read and w...