myke predko wrote: > 4. What are the "PPLUS301.EXE" and "PMSTR300" files in the .zip > file used for? I presume that "PPLUS301" is an upgrade for the > PICStart Plus Package? Myke: PPLUS301 adds PICStart Plus support to MPLAB; PMSTR300 adds PIC-Master support to it. Without those files, MPLAB only supports software simulation (and editing, project-management, etc.). -Andy Andrew Warren - fastfwd@ix.netcom.com Fast Forward Engineering, Vista, California http://www.geocities.com/SiliconValley/2499