• Keep NVRAMs away from any objects that can cause static electricity. Static electricity can damage NVRAM data.

  1. Remove the controller cover. (Controller Cover)
  2. Remove the controller box cover. (Controller Box Cover)
  3. Remove the controller bracket. (Controller Bracket)
  4. Remove the controller board [A].
  5. Release the lock levers, and remove the DIMM [A].

  6. Remove the two used NVRAMs from the old controller board and install them on the new controller board.

    • Make sure that FRAM1 and FRAM2 are placed at the right position and orientation when attaching to the new board.
    • Incorrect installation of the NVRAM will damage both the controller board and NVRAM.

     

    Position

    Label on the board

    Label on the NVRAM

    [A]

    Left

    FRAM1

    2M-1

    [B]

    Right

    FRAM2

    2M-2

  • When replacing the controller board, first, check which SDK applications have been installed. After replacing the controller board, re-install the SDK applications by following the installation instructions for each application.
  • After reinstalling the SDK applications, print the SMC (SP-5-990-024/025 (SMC: SDK/Application Info)). Then open the proximity sensor cover. Store the SMC sheet and the SD card(s) that was used to install the SDK application(s).