Lenovo x3300 M4 7382 Installation And Service Manual page 284

Step 11. Install the hot-swap power supply that came with the power paddle card. (see "Installing a hot-
swap power supply" on page 81).
Step 12. Reconnect the power SMbus cable and power cables from the power paddle card to the
connectors on the system board, and secure the cables with any cable clips on the chassis. (see
"Power Cable Connection" on page 172).
Step 13. Reconnect the power cable from the RAID battery to the ServeRAID adapter, if you have removed
it.
Step 14. Reinstall the fan assembly (see "Installing the fan assembly" on page 85).
Step 15. Reinstall the air baffle (see "Replacing the air baffle" on page 196).
If you have other devices to install or remove, do so now. Otherwise, go to "Completing the installation" on
page 85.
Removing a microprocessor and heat sink
Use this information to remove a microprocessor and heat sink.
Attention:
• Be extremely careful, the pins on the socket are fragile. Any damage to the pins may require replacing the
system board.
• Do not allow the thermal grease on the microprocessor and heat sink to come in contact with anything.
• Removing the heat sink from the microprocessor destroys the even distribution of the thermal grease and
requires replacing the thermal grease.
• Do not touch the microprocessor contacts; handle the microprocessor by the edges only. Contaminants
on the microprocessor contacts, such as oil from your skin, can cause connection failures between the
contacts and the socket.
• Use the microprocessor installation tool that came with the new microprocessor to remove and install the
microprocessor. Failure to use the microprocessor tool may cause damage to the pins on the socket. Any
damage to the pins may require replacing the system board.
To remove a microprocessor and heat sink, complete the following steps:
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System x3300 M4 Installation and Service Guide