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Install the CMOS battery (CR2032)

Follow instructions in this section to install the CMOS battery (CR2032).

About this task

S002
disconnect all power
CAUTION
The power-control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source.
S004
Attention
CAUTION

When replacing the lithium battery, use only Lenovo specified part number or an equivalent type of battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by the same manufacturer. The battery contains lithium and can explode if not properly used, handled, or disposed of.

Do not:
  • Throw or immerse into water
  • Heat to more than 100°C (212°F)
  • Repair or disassemble

Dispose of the battery as required by local ordinances or regulations.

S005
Attention
CAUTION
The battery is a lithium ion battery. To avoid possible explosion, do not burn the battery. Exchange it only with the approved part. Recycle or discard the battery as instructed by local regulations.
Attention
  • Read Installation Guidelines and Safety inspection checklist to ensure that you work safely.
  • Touch the static-protective package that contains the component to any unpainted metal surface on the server; then, remove it from the package and place it on a static-protective surface.
The following notes describe information that you must consider when replacing the battery.
  • When replacing the CMOS battery, you must replace it with another CMOS battery of the same type from the same manufacturer.
  • After replacing the CMOS battery, make sure to reconfigure the server and reset system date and time.
  • To avoid possible danger, make sure to read and follow the safety statements.
  • Lenovo has designed this product with your safety in mind. The CMOS battery must be handled correctly to avoid possible danger. If you install the CMOS battery, do adhere to the following instructions.
    Note
    In the U. S., call 1-800-IBM-4333 for information about battery disposal.
  • If you replace the original CMOS 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 along with normal domestic waste. They should be taken back free of charge by for recycle or proper disposal by the manufacturer, distributor, or representatives.

Procedure

  1. Follow any special handling and installation instructions that come with the CMOS battery.
  2. Locate the CMOS battery socket on the system board. See System-board connectors.
  3. Locate the CMOS battery on the system board. See System-board connectors.
  4. Install the CMOS battery.
    1. Insert the CMOS battery into the socket, with positive (+) side facing up.
    2. Press the battery straight down until it clicks in place.
      Figure 1. CMOS battery installation
      CMOS battery installation

After you finish

  1. Complete the parts replacement. See Complete the parts replacement.

  2. Reconfigure the server and reset the system date and time.

Demo video

Watch the procedure on YouTube