One thing that comes to mind is that the 877 wont verify if the code protect is on. But I'm pretty sure that you have checket that already. Peter [snip] > My ICD stopped working! Boo, hoo. I can't program '877 anymore. [snip] _______________________________________________ http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist