4.Replacement and Adjustment
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7. Separate the controller board [A] from the BiCU [B].
8. Remove the two guide rails [A] from the controller board [B].
9. Remove the NVRAM [A] from the old controller board and install them on the new controller board.
• Make sure the NVRAM [A] is installed in the correct mounting location and orientation. Install
the NVRAM so that the indentation on the NVRAM corresponds with the mark [B] on the
controller board.
• Incorrect installation of the NVRAM will damage both the controller board and NVRAM.
Controller Board (PCB15) (P 800/801)
• Keep NVRAMs away from any objects that can cause static electricity. Static electricity can
damage NVRAM data.
1. Remove the controller box. (Controller Box (P 800/801))