> Do all the 18F have the ability to support a bootloader? If not, how does > one determine if it can? > It SEEMS to be related to whether the chip has eeprom or not. If it does, I think you can generally bootload the flash. Otherwise, you cannot. Seems to work so far... Harold -- FCC Rules Updated Daily at http://www.hallikainen.com - Advertising opportunities available! -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist