IBM 9228 Service Guide - Page 94
Important, Attention, Open the microprocessor bracket frame by lifting up the tab on the top edge
UPC - 000435947840
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Orientation indicators Fan-sink retention lever Figure 52. Removing the fan sink and microprocessor a. Disconnect the fan-sink cable from the system board (see "System board internal connectors" on page 9). b. Release the fan-sink retention lever by pressing down on the end, moving it to the side and slowly releasing it to the open (up) position. Important: Be careful when handling the microprocessor and fan sink. If the microprocessor and fan sink will be reused, do not contaminate the thermal material between them. c. Tip the top of the fan sink toward the front of the chassis while sliding it away from the lower flange of the retention module; then, remove it from the chassis. After removal, place the fan sink on its side on a clean, flat surface. Attention: The microprocessor retention latch is spring-loaded when the microprocessor is in place. Releasing the latch too quickly or allowing it to spring upward can damage the microprocessor and surrounding components. 9. Release the microprocessor retention latch by pressing down on the end, moving it to the side, and slowly releasing it to the open (up) position (see Figure 53). 10. Open the microprocessor bracket frame by lifting up the tab on the top edge (see Figure 53). Attention: Use the vacuum tool that comes with the replacement part to remove the microprocessor. Dropping the microprocessor during removal can damage the contacts. Also, contaminants on the microprocessor contacts, such as oil from your skin, can cause connection failures between the contacts and the socket. 76 IBM IntelliStation Z Pro Type 9228 and 9232: Problem Determination and Service Guide