Removing The System Battery - Lenovo ThinkServer sd350 Installation And Service Manual

Hot-swap
power supply 1
Figure 37. Hot-swap power supply installation
Step 2. Connect one end of the power cord for the new power supply into the ac connector on the back
of the power supply; then, connect the other end of the power cord into a properly grounded
electrical outlet.
Step 3. If the server is turned off, turn on the server.
Step 4. Make sure that the ac power LED on the power supply is lit, indicating that the power supply is
operating correctly. If the server is turned on, make sure that the dc power LED on the power
supply is lit also.

Removing the system battery

Use this information to remove the CMOS battery.
Before you remove the system battery, complete the following steps:
1. Read the safety information in "Safety" on page v and "Installation guidelines" on page 75.
2. If the compute node is installed in a Lenovo ThinkServer n400 Enclosure Type 5495, remove it (see
"Removing a compute node from a chassis" on page 77 for instructions).
3. Carefully lay the compute node on a flat, static-protective surface, orienting the compute node with
the bezel pointing toward you.
The following notes describe information that you must consider when replacing the battery.
• Lenovo has designed this product with your safety in mind. The lithium battery must be handled correctly
to avoid possible danger. If you replace the battery, you must adhere to the following instructions.
• If you replace the original lithium battery with a heavy-metal battery or a battery with heavy-metal
components, be aware of the following environmental consideration. Batteries and accumulators that
contain heavy metals must not be disposed of with normal domestic waste. They will be taken back
free of charge by the manufacturer, distributor, or representative, to be recycled or disposed of in a
proper manner.
• After you replace the battery, you must reconfigure the server and reset the system date and time.
Statement 2
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Lenovo ThinkServer sd350 Server Type 5493, Lenovo ThinkServer n400 Enclosure Type 5495Installation and Service Guide