> So far as I know, reading the eeprom does NOT cause the > problems, Instead, the problem is caused by many writes to one part > of the eeprom array. Thanks for the clarification. By "many writes" are you talking about hundreds, tens of thousand. The eeprom endurance is spec'ed at 1M writes. Gordon Williams -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist