Hi Jean, I use EPIC programmer and there is nothing to add at all, if you write your source with the __CONFIG directive. If you want, I can give you more details, but its RTFM :) regards, Rildo > About the EPIC Plus Pocket program, I don't really like the idea of adding > a hex line to make it compatible with the MPASM compiler.. Im new to PIC > programming and Im tring to find a good and simple programmer that is 100% > compatible with MPASM! (No need to add a line or whatever)