Remove the NVRAM (EEPROM) from the old BCU. Then install it on the new BCU after you replace the BCU.

Replace the NVRAM (Replacing the NVRAM (EEPROM) on the BCU) if the NVRAM on the old BCU is defective.

  • Make sure you print out the SMC reports ("SP Mode Data" and "Logging Data") before you replace the NVRAM (EEPROM).

  • Keep NVRAMs (EEPROM) away from any objects that can cause static electricity. Static electricity can damage NVRAM data.
  • Make sure the serial number is input in the machine for the NVRAM data with SP5-811-004, if not, SC995-001 occurs