Lenovo ThinkServer RD330 Hardware Maintenance Manual page 166

b. Align the small triangle
microprocessor socket. Lower the socket cover into the socket and carefully press the socket cover
until it snaps into position.
Figure 104. Installing the microprocessor socket cover
c. Gently close the microprocessor retainer, press down the small handle, and then push the handle
inward to lock the retainer into position.
Figure 105. Securing the microprocessor retainer
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ThinkServer RD330 Hardware Maintenance Manual
1 of the microprocessor socket cover with the small triangle 2 on the