Just for the record CONFIG FOSC= XTPLL_XT CONFIG PLLDIV = 1 CONFIG CPUDIV = OSC1_PLL2 4MHz crystal on OSC1/OSC2 mov b'00000000',osccon ; 00 primary PIC runs at 48MHz, TMR0 fine, all's well, God's in heaven, birds are singing, raining cats and dogs but it's only water Thanks for all the help and suggestions -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist