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E4419B Question

Question asked by MICROWAVE68 on Sep 15, 2008
Latest reply on Oct 16, 2008 by Bryan
Recently i purchased a E4419B however the unit has a CPU  fault, i found a used processor board that works however when pluging it in my meter the meter comes up as E4418A and returns error messages for the interface board, if i go to the service menue the serial# as well as processor bd and system version fields are blank, the same happens if i query those over GPIB, what is the correct Processor bd and system version for a E4419B ? do i have to reload the FW for the E4419B on this board ? according to the previous owner he had bought the board to repair a faulty E4418B and had uploaded the E4418B fw !