Unfortunately, fine is relative :) With the ICD2, the serial speed is limited to 19200. And programming the complete memory of an 16F877 on 56700 is already quite a lengthy process. Claudio -----Oorspronkelijk bericht----- > ICD2 can only be used with MPLAB 6.xx No, it's just that you cant use the USB interface below v6.xx. Serial works just fine. -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads