Removing The System Board - Lenovo x3530 M4 Installation And Service Manual

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Figure 186. Thermal grease distribution

Use the thermal-grease syringe to place 9 uniformly spaced dots of 0.02 mL each on the top of

the microprocessor. The outermost dots must be within approximately 5 mm of the edge of the

microprocessor; this is to ensure uniform distribution of the grease.

Figure 187. Syringe

Note: If the grease is properly applied, approximately half of the grease will remain in the syringe.

Install the heat sink onto the microprocessor as described in "Installing an additional

microprocessor and heat sink" on page 50.

Removing the system board

Use this information to remove the system board.

1. Before you replace the system board, make sure that you backup any features on demand (FoD) keys

that were enabled. Remember to re-enable the features on demand (FoD) keys after installing the new

system board. For more information on Features on Demand (FoD), including instructions for automating

the activation and installation of the activation key by using ToolsCenter or Systems Director, see the

Features on Demand User's Guide at http://www.ibm.com/systems/x/fod/ under the Help section.

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

restore the pre-existing firmware from a diskette or CD image. Make sure that you have the latest

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

Before you remove the system board from the server, take the following steps to save data, firmware,

and configuration data:

• Record all system configuration information, such as IMM IP addresses, vital product data, and the

machine type, model number, serial number, Universally Unique Identifier, and asset tag of the server.

• Using the Advanced Settings Utility (ASU), save the system configuration to external media.

• Save the system-event log to external media.

Lenovo System x3530 M4 Installation and Service Guide

0.02 mL of thermal

Microprocessor

System x3530 m47160