Read EC Command
Original Publication Date: 1982-Dec-01
Included in the Prior Art Database: 2005-Feb-10
In the present technological environment it is not uncommon for field replaceable parts of a digital data processing system to evolve through plural levels of engineering change (EC), each level requiring a different diagnostic procedure during maintenance testing. Consequently, it becomes necessary to ensure that maintenance personnel can identify the EC level of each part of the system before attempting to test and possibly replace any parts.