Jan-Erik Soderholm wrote: > I know about the IDC2 (and clones), but what other options are > there today for the new 18F USB devices ? Since they > uses a 32 bytes write block during programming, they don't > work with programmers that uses the 8 byte write block used > by many of the former 18F's. That is, as far as I understand... That's correct. The 18F2550 and related use yet another programming algorithm that is different from that used by the 18F252 and the old 18Fs. Both my programmers (EasyProg, ProProg) support the new devices. See http://www.embedinc.com/products. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist