Dell PowerEdge R640 EMC PowerEdge R640 Installation and Service Manual - Page 102

Installing the NVDIMM-N battery, Processors and heat sinks, Removing a processor and heat sink module

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Installing the NVDIMM-N battery Prerequisites 1. Follow the safety guidelines listed in Safety instructions on page 71. CAUTION: To prevent data loss, ensure that your system and LEDs on NVDIMM-N and NVDIMM-N battery are turned off before removing the NVDIMM-N battery. CAUTION: To avoid damage to the battery connector, you must firmly support the connector while installing or removing a battery. Steps 1. Holding the edges, align the NVDIMM-N battery with the battery connector on the system board 2. Connect the cables to the NVDIMM-N battery. 3. Using the Phillips #2 screwdriver, tighten the screw to secure the NVDIMM-N battery. Figure 43. Installing the NVDIMM-N battery NOTE: NVDIMM-N battery is not hot-pluggable. Next steps 1. Follow the procedure listed in After working inside your system on page 72. 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 71. 2. Follow the procedure listed in Before working inside your system on page 72. 3. If applicable, remove the air shroud. Steps 1. Using a Torx #T30 screwdriver, loosen the screws on the heat sink in the order below: 102 Installing and removing system components

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Installing the NVDIMM-N battery
Prerequisites
1.
Follow the safety guidelines listed in
Safety instructions
on page 71.
CAUTION:
To prevent data loss, ensure that your system and LEDs on NVDIMM-N and NVDIMM-N battery are
turned off before removing the NVDIMM-N battery.
CAUTION:
To avoid damage to the battery connector, you must firmly support the connector while installing or
removing a battery.
Steps
1.
Holding the edges, align the NVDIMM-N battery with the battery connector on the system board
2.
Connect the cables to the NVDIMM-N battery.
3.
Using the Phillips #2 screwdriver, tighten the screw to secure the NVDIMM-N battery.
Figure 43. Installing the NVDIMM-N battery
NOTE:
NVDIMM-N battery is not hot-pluggable.
Next steps
1.
Follow the procedure listed in
After working inside your system
on page 72.
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 71.
2.
Follow the procedure listed in
Before working inside your system
on page 72.
3.
If applicable,
remove the air shroud.
Steps
1.
Using a Torx #T30 screwdriver, loosen the screws on the heat sink in the order below:
102
Installing and removing system components