By the way, how to build the host software (pic_read and pic_prog)? I think the source files are there (C:\embedinc\source\picprg) but the instruction to build the host software is missing. Regards, Xiaofan -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist