IBM 84885BU User Manual - Page 60
microprocessor
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Heat-sink-release lever c. Align the heat sink, grease side down, with the microprocessor and retention bracket. d. Slide the rear flange of the heat sink into the opening beneath the retention-bracket spring. e. With the heat sink on top of the microprocessor, press firmly on the heat sink so that it slips into the retention bracket. Note: When the heat sink is seated correctly, the heat-sink-release lever starts to cam toward the rear of the server. f. Close the heat-sink-release lever by pressing it first down, then toward the microprocessor, then up until it hooks on the retention bracket. You might notice an audible snap as you rotate the lever, due to the spring force beneath the microprocessor; this is normal. 10. Insert the voltage regulator module (VRM) into the VRM connector (see the illustration on page 47). a. Open the retaining clips on the VRM connector. b. Touch the static-protective package containing the VRM to any unpainted metal surface on the server. Then, remove the new VRM from the package. Note: The VRM support bracket is attached to the VRM. c. Align the VRM with the VRM connector. d. Slide the VRM into the connector. The support bracket hooks into the chassis and the retaining clips snap into the locked position when the VRM is firmly seated in the connector. 11. If you have other options to install, do so now; otherwise, close the microprocessor air baffle (see "Opening and closing the microprocessor air baffle" on page 33), replace the frame-support bracket (see "Removing and installing the support bracket" on page 32), and go to "Completing the installation" on page 60. 50 xSeries 226 Type 8488 and 8648: Hardware Maintenance Manual and Troubleshooting Guide