It is note merely a ROM upgrade an entirely different CPU board set. We have Series 52 board sets in stock. They are very inexpensive. -- +-----------------------------------------------------------------------------+ | Charles Finley Internet: [log in to unmask] | | ConAm Corporation Voice: (310) 419-2200 | | 546 N. Oak St., Inglewood, CA 90302 FAX: (310) 419-2275 | +-----------------------------------------------------------------------------+