Hi All ! I read ITU (PIC+1) programmer can be used with other software, rather than standard software given. I use it with PIC12C series uC. I'm especially interested in ability to compute Checksum of a programmed device (as described in a Microchip AN), thru this programmer. TIA and regards Laurent Haas ------------------------------------------------------------ Laurent HAAS - F6FVY | lhaas@pratique.fr | PARIS - FRANCE | http://www.pratique.fr/~lhaas ------------------------------------------------------------