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Replacing the ECPU Board Removing the ECPU Board <br /> Disconnect each of the <br /> three cables attached <br /> to the ECPU board. <br /> ECPU Board Installation <br /> guide slots(one at top and <br /> bottom). <br /> ° Pull the board straight out until you <br /> disconnect it from the motherboard <br /> 5 connector and it clears the top and <br /> bottom guides. Rotate it towards <br /> you to clear the door. Hold the ECPU <br /> board by its edges and avoid touching <br /> components and connector pins. <br /> o •• <br /> Pull up on corner 1 Remove the grounding wrist <br /> of board with your - J strap from its package and <br /> finger ® G wrap one end around your <br /> 4Pry the board o wrist. Ahere the other end <br /> off of its retention pin 3 retention f to the side of the comm board <br /> pins. cage. <br /> Turn OFF ac power to the <br /> console. Push SWI down to turn <br /> battery backup OFF. �nso'as�puout.eps <br /> Figure 1. Removing the ECPU Board <br /> 6 <br />