FP2/FP2SHFP2/FP2SH Operation6 − 66.3 FP2 ROM Operation6.3 FP2 ROM Operation6.3.1 ROM Operation MethodPreparationTurn off the power supply and remove the CPU from the backplane. Install the expan-sion memory unit (FP2−EM3, FP2−EM6 or FP2−EM7) to the CPU. Then install the ROMthat writes the program to the expansion memory unit. ( section 2.3)Procedure:1. Set the operation condition switches (DIP switches) onthe back of the CPU for ROM operation (SW2 on).FP2 CPU rear sideSW2Program memory selectoron: ROM operationoff: RAM operation[ ]onoff2. Reattach the CPU to the original position on the back-plane.When the power supply is turned on, the program in theROM is transferred to the internal RAM.NoteWhen the power supply is turned on, the data that was in theRAM will be erased.
