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Sun Enterprise 220R Server Service Manual

3.13.2 What to Do

  1. Disconnect the following internal cables from the main logic board.

    Press the tab on the cable connector to detach each cable. For information about cable connector locations, see "5.5 How to Connect the System Cables"

    1. Disconnect the main power cables from connectors J2902 and J2903.

    2. Disconnect the CPU power sense cable from connector J2901.

    3. Disconnect the UltraSCSI data cable from connector J1801.

  2. Remove the three screws securing the main logic board to the back panel.

    Small arrows on the back panel point to the screws you must loosen.

  3. Slide the main logic board away from the back panel until it clears the notched hold-down tabs.

    Graphic

  4. Lift the main logic board out of the system.

  5. Place the main logic board on an antistatic mat.

  6. If you are replacing this main logic board, note the serial port and flash PROM jumper settings.

    See "3.15 How to Set the Serial Port Jumpers" and "3.16 How to Set the Flash PROM Jumpers".