On Jan 10, 2005, at 2:37 PM, Barry wrote: > If I drop the "CONFIG INTRC_OSC_CLKOUT" statement in the code below > and use > a 4Mhz Xtal, the LED flashes. If I leave the statement in and remove > the > Xtal, no flashing LED, and no sign of the 4Mhz clock output > Does your programmer extract the config bits from the output of the compiler? That's doesn't always happen, IIRC... BillW -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist