Lenovo Flex System x440 Compute Node Installation And Service Manual page 948

c. Align the installation tool with the microprocessor socket. The installation tool rests flush on
the socket only if it is properly aligned.
Screws
d. Install the microprocessor using the following instructions for your installation tool.
Lenovo Flex System x440 Compute NodeInstallation and Service Guide
938
Installation tool
Microprocessor