----- Original Message ----- From: "PicDude" Subject: Re: [PIC]: Error programming 16F628A chips > Finally, I am able to program chips properly again, including 16F628A's. The > result is that I shortened the wires from the PIC programmer to the SOIC clip > and connected them directly (instead of via a programming socket adapter > board I have). I'm still trying to figure out what changed and why, but I'm > happy to be able to program chips again for now. Interesting. There was a thread a few months back where some folks accused the 628A of being more susceptible to noise during programming than the 628. That sounded a little suspicious to me, but your results seem to add another piece of data pointing in that direction. --McD -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist