"solarwind" wrote: >> It looks to me here like you are selecting HS crystal mode > > What should I be using? All I want is my chip to run at 4 MHz without > an external crystal. You need to select the internal oscillator. Vitaliy -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist