CSB wrote: > Easyprog reported an OSCCAL of 0x0C1A , which looks OK. The same > value turned up in the hex file produced by pic_read (i.e. last memory > location is MOVLW 0x1A) That means at least you have everything wired correctly. It works sometimes, so something is marginal. I've seen a cap on Vdd make a difference in cases like this. > I mostly wanted ICSP The EasyProg only has limited ICSP capabilities. It is really meant to program a bare chip in its socket or with a adapter. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist