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Installing a heat sink retention module
Use this information to install a heat sink retention module.
Read the safety information in “Safety” on page v and “Installation guidelines” on page 35.
If you are replacing a server component in the server, you need to turn off the server and peripheral devices,
and disconnect the power cords and all external cables.
To install a heat sink retention module, complete the following steps.
Step 1.
Carefully turn the server on its side so that it is lying flat, with the cover facing up.
Attention:
Do not allow the server to fall over.
Step 2.
Unlock and remove the left-side cover (see “Removing the left-side cover” on page 184).
Step 3.
Remove the air baffle (see “Removing the air baffle” on page 189).
Step 4.
Align the retention module with the holes on the system board.
Step 5.
Use a screwdriver to install the four screws.
Figure 236. Heat sink retention module installation
Step 6.
Install the heat sink (see “Installing a microprocessor and heat sink” on page 288).
Attention:
Make sure that you install each heat sink with its paired microprocessor.
Step 7.
Install the air baffle (see “Installing the air baffle” on page 190).
Step 8.
Install and lock the left-side cover (see “Installing the left-side cover” on page 185).
If you have replaced a server component or installed an optional device in the server, you need to reconnect
the power cords and all external cables, and turn on the server and peripheral devices.
Removing the system board
Use this information to remove the system board.
Notes:
1. Before you replace the system board, make sure that you backup any features on demand (FoD) keys
that were enabled. Reactivate any Features on Demand features after replacing the system board.
Instructions for automating the activation of features and installing activation keys is in the
Lenovo
Features on Demand User's Guide
. To download the document, go to https://fod.lenovo.com/lkms,
log in, and click
Help
.
Removing and replacing components
307
Summary of Contents for System x3500 M4
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