Tim, From my experiance, you need to do at least ONE bulk erase with 5V, and then forever more, it will work fine with 3.3V. Its hit and miss if you don't do the one time bulk erase, but try that and see if it works for you. --------------------------------- Be a PS3 game guru. Get your game face on with the latest PS3 news and previews at Yahoo! Games. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist