- Firmware is loaded by the host. Load whatever firmware you like, if it gets trashed, just reload it. Devices can't be bricked by a bad flash upgrade (it's SRAM not FLASH). The catch(es), of course: - Firmware is not secure, anyone can eavesdrop on the download to copy your IP ... -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist