I have Dontronics DT001 REV C LOAD/RUN programmer which works fantastic with DT101 REV A for PIC 16F84. I would like to use DT001 REV C LOAD/RUN programmer with (i) DT106 for PIC16F877 (ii) DT104 REV A for AT89C2051 (one board a time) Questions: (1) Do I need to make any modification on DT001 REV C for either DT106 or DT104? (2) Is there any one out there who has any SW to program ATMEL89C5x on DT103 REV A by using DT001? (3) How to use DT103 REV A as LOAD/RUN programmer? Thanks.. __________________________________________________ Do You Yahoo!? Talk to your friends online with Yahoo! Messenger. http://im.yahoo.com