Lenovo 3057 Maintenance Manual page 198

b. Position the microprocessor socket cover above the microprocessor socket so that the small triangle
1 on the socket cover faces the small triangle
press the socket cover straight down into the socket until it snaps into position.
Figure 146. Installing the microprocessor socket cover
c. Gently close the microprocessor retainer, press down the small handle, and then push the small
handle inward to lock the retainer into position.
Figure 147. Securing the microprocessor retainer
22. Install the heat sinks on the new system board. See "Installing or replacing a heat sink" on page 135.
23. Install the memory modules on the new system board. See "Installing a memory module" on page 100.
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ThinkServer RD430 Hardware Maintenance Manual
2 on the microprocessor retainer. Then, carefully