The NOVA 420 is actually a 420 Back end controller. It is out of a NOVA 840 even though the cover plate shows a 420. Date of certificate of conformance: 1/22/04 Good working surplus in like new condition. Not in OEM box. Guaranteed for 30 days after reciept SEMICONDUCTOR EQUIPMENT SPARES You can call me if you want to talk semiconductor surplus at Monday - Friday 8:30 AM - 5:00 PM Mountain Standard Time Closed Saturday, Sunday and all major US holidays. SEMICONDUCTOR EQUIPMENT SPARES |