Dale wrote: > > Is my assumption correct? > >Nope. Sorry. Bulk erase the '877 and the EEPROM data is still there, >grinning at you. Bummer ... but I also found another hole in my scheme -- one could crack the bootloader (not hard), download new EEPROM-reading code, and read out the EEPROM contents. Well, now at least I have a better appreciation for the limited utility of the F877's protection schemes! Regards, -- ______________________________________ Andrew E. Kalman, Ph.D. aek@pumpkininc.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.