Removing The System Board - Lenovo NeXtScale nx360 M5 Installation And Service Manual

Water-cooled technology tray; enclosure

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Figure 112. Microprocessor socket levers and retainer engagement

Close the microprocessor retainer on the microprocessor socket.

Identify which release lever is labeled as the first release lever to close and close it.

Close the second release lever on the microprocessor socket.

• If you are installing a new water loop, do not set down the water loop after you remove the

plastic covers.

• Do not touch the thermal grease on the bottom of the water loop. Touching the thermal

grease will contaminate it.

Install the water loop on the planar tray (see "Replacing a copper water loop" on page 174).

Install the cross brace using M4 screw.

Install the cover (see "Replacing the cover" on page 142).

Slide the server into the rack.

Step 10. Reconnect any cables that you removed.

Step 11. Turn on the peripheral devices and the server.

Removing the system board

Use this information to remove the system board.

Read the safety information in Safety and Installation guidelines.

If you are replacing a server component in the water-cooled technology tray, you need to remove the water-

cooled technology tray from the chassis enclosure and refer to the "Removing a water-cooled technology

tray from a chassis" on page 139 and "Installing a water-cooled technology tray in a chassis" on page 140

1. When you replace the system board, you must either update the server with the latest firmware or

restore the pre-existing firmware that the customer provides on a diskette or CD image. Make sure that

you have the latest firmware or a copy of the pre-existing firmware before you proceed.

2. When you replace the system board, make sure that you remove the Integrated Management Module

2.1 (IMM2.1) Advanced Upgrade and place it on the new system board. For information about the

Advanced Upgrade, see "Using the remote presence and blue-screen capture features" on page 42

Removing and replacing server components

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