Lenovo ThinkStation P520 Hardware Maintenance Manual page 205

9. Note the orientation of the new microprocessor. Hold the new microprocessor by its edges and align the
1 2
notches on it with the tabs in the microprocessor socket. Then, carefully lower the new
microprocessor straight down into the microprocessor socket.
Note: The small triangle 3 on one corner of the new microprocessor is the microprocessor orientation
indicator. The new microprocessor is in the correct orientation when this indicator faces the beveled
corner 4 of the microprocessor socket.
Figure 174. Installing the microprocessor
10. Pivot the microprocessor retainer downward to close the retainer.
Figure 175. Closing the microprocessor retainer
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Chapter 9 Hardware removal and installation