IBM System x3550 Type 7978 Problem Determination And Service Manual

Contents

2. Align the microprocessor with the socket (note the alignment mark and theposition of the notches); then, carefully place the microprocessor on the socketand close the microprocessor bracket frame.Attention: Do not use excessive force when inserting the microprocessor intothe socket.Note: The microprocessor fits only one way on the socket.3. Carefully close the release lever to secure the microprocessor in the socket.Heat sinkHeat sinkinstallationlabelMicroprocessorThermal grease4. Install the heat sink on top of the microprocessor, and tighten the captivescrews. Alternate among the screws on either side of the heat sink until they aresnug, and then alternate again until they are tight, making sure that you do notovertighten any of them.Attention: Do not touch the thermal grease on the bottom of the heat sink orset down the heat sink after the plastic cover is removed. Touching the thermalgrease will contaminate it.5. Install the cover (see “Installing the cover” on page 98).6. Slide the server into the rack.7. Reconnect the power cords and any cables that were removed.8. Turn on the peripheral devices and the server.Chapter 4. Removing and replacing server components 139