Dell PowerEdge R940 EMC Installation and Service Manual - Page 111

Processors and heat sinks, Removing a processor and heat sink module

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NOTE: The memory module socket has an alignment key that enables you to install the memory module in the socket in only one orientation. 4. Press the memory module with your thumbs until the socket levers firmly click into place. Figure 60. Installing a memory module Next steps 1. Install the air shroud. 2. Follow the procedure listed in After working inside your system on page 66. 3. To verify if the memory module has been installed properly, press F2 and navigate to System Setup Main Menu > System BIOS > Memory Settings. In the Memory Settings screen, the System Memory Size must reflect the updated capacity of the installed memory. 4. If the value is incorrect, one or more of the memory modules may not be installed properly. Ensure that the memory module is firmly seated in the memory module socket. 5. Run the system memory test in system diagnostics. Processors and heat sinks Removing a processor and heat sink module Prerequisites WARNING: The heat sink may be hot to touch for some time after the system is powered down. Allow the heat sink to cool before removing it. 1. Follow the safety guidelines listed in Safety instructions on page 65. 2. Follow the procedure listed in Before working inside your system on page 66. 3. Remove the air shroud. 4. If installed, remove the expansion card risers and lift the PEM to the upright position. NOTE: When using a four processor system, ensure to follow step 3 only if you have to remove the processors installed on the system board. Steps 1. Using a Torx #T30 screwdriver, loosen the screws on the heat sink in the order below: a. Loosen the first screw three turns. b. Loosen the second screw completely. Installing and removing system components 111

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NOTE:
The memory module socket has an alignment key that enables you to install the memory module in the socket
in only one orientation.
4.
Press the memory module with your thumbs until the socket levers firmly click into place.
Figure 60. Installing a memory module
Next steps
1.
Install the air shroud.
2.
Follow the procedure listed in
After working inside your system
on page 66.
3.
To verify if the memory module has been installed properly, press F2 and navigate to
System Setup Main Menu > System BIOS >
Memory Settings
. In the
Memory Settings
screen, the System Memory Size must reflect the updated capacity of the installed
memory.
4.
If the value is incorrect, one or more of the memory modules may not be installed properly. Ensure that the memory module is firmly
seated in the memory module socket.
5.
Run the system memory test in system diagnostics.
Processors and heat sinks
Removing a processor and heat sink module
Prerequisites
WARNING:
The heat sink may be hot to touch for some time after the system is powered down. Allow the heat sink to
cool before removing it.
1.
Follow the safety guidelines listed in
Safety instructions
on page 65.
2.
Follow the procedure listed in
Before working inside your system
on page 66.
3.
Remove the air shroud
.
4.
If installed,
remove the expansion card risers
and lift the PEM to the upright position.
NOTE:
When using a four processor system, ensure to follow step 3 only if you have to remove the processors
installed on the system board.
Steps
1.
Using a Torx #T30 screwdriver, loosen the screws on the heat sink in the order below:
a.
Loosen the first screw three turns.
b.
Loosen the second screw completely.
Installing and removing system components
111