TNL SN20-9843 (03-27-87) to 75X0152 or 75X0166RT PC Processor BoardThe RT PC Processor Board contains the 32-bit processor, the systemmemory controller, and the ROM modules. Each processor board containsan identification number.Processor Board Identification NumberRemoval ProcedureEach processor board contains an identification number used by thesoftware to control access. This identification number is unique to thatprocessor board.After the processor board is exchanged, the identification number is adifferent number. Therefore, any program that uses the identificationnumber for access needs the authorization updated.Reminder to Service Representative: After you exchange the ProcessorBoard, notify the customer that the unique identification number of thesystem unit has changed. The customer needs to update the authorizationfor any program that uses the identification number for access.See Processor, Floating-Point, or System Memory Removal in Section 4.Replacement ProcedureSee Processor, Floating-Point, or System Memory Replacement in Section4.Base System Unit 5-001-1