Nvram Backup Battery; Replacing The Nvram Backup Battery - Dell PowerEdge M420 Owner's Manual

CAUTION: Positioning the processor incorrectly can permanently damage the system board or the processor. Be
careful not to bend the pins in the socket.
CAUTION: Do not use force to seat the processor. When the processor is positioned correctly, it engages easily
into the socket.
5. Install the processor in the socket:
a) Identify the pin-1 corner of the processor by locating the tiny gold triangle on one corner of the processor.
b) Align the pin-1 corner of the processor with the pin-1 corner of the processor socket.
c) Set the processor lightly in the socket.
d) Verify that the processor is properly aligned and seated.
e) Close the processor shield.
f) Rotate the socket release lever down until it is locked in position.
6. Install the heat sink:
If you are:
CAUTION: Applying too much thermal grease can result in excess grease coming in contact with and
contaminating the processor socket.
a) Open the grease applicator included with your processor kit and apply all of the thermal grease in the
b) Place the heat sink onto the processor.
c) Tighten the retention sockets to secure the heat sink to the blade system board.
7. Install the blade in the sleeve.
As the system boots, it detects the presence of the new processor and automatically changes the system
configuration information in the System Setup.
8. Press <F2> to enter the System Setup and check that the processor information matches the new system
configuration.
9. Run the system diagnostics to verify that the new processor operates correctly.
10. Update the system BIOS.

NVRAM Backup Battery

Replacing The NVRAM Backup Battery

WARNING: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with
the same or equivalent type recommended by the manufacturer. Discard used batteries according to the
manufacturer's instructions. See the safety instructions that came with your system for additional information.
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
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Place this corner in the same corner of the ZIF socket identified by a corresponding triangle on the processor
socket.
Because the system uses a ZIF processor socket, do not use force. When the processor is positioned correctly,
it drops down into the socket with minimal pressure.
Reinstalling a heat sink Use a clean, lint-free cloth to remove the existing thermal grease from the heat sink.
Upgrading a processor If a new heat sink was supplied with the processor, install it.
Reinstalling a processor Clean any remnants of thermal grease from the processor.
applicator to the center of the topside of the new processor.
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