The PIC16F87X family boots with the A/D converters enabled. You must turn them off by setting ADCON1 (0x9f) to 0xff. This will enable the PORTA IOs. Peter H Anderson, http://www.phanderson.com --- Jeanette Eya-Zeissig wrote: __________________________________________________ Do You Yahoo!? NEW from Yahoo! GeoCities - quick and easy web site hosting, just $8.95/month. http://geocities.yahoo.com/ps/info1 -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu