Skip to main content

Install the CMOS battery (CR2032)

See this topic to learn how to install the CMOS battery (CR2032).

About this task

To avoid potential danger, make sure to read the following safety information.

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 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.

Consider the following when replacing the battery.
  • Remove the CMOS battery will cause system lockdown. To unlock the system, contact Lenovo Support.

  • Lenovo has designed this product with user safety in mind. The lithium battery must be handled properly to avoid potential danger. Make sure to follow instructions in this topic while replacing the battery.

  • The CMOS battery must be replaced with another unit of the same type (CR2032).
  • For high temperature operation environment, it is recommended to use CR2032HR instead.
  • After replacement is completed, it is required to reconfigure the server and reset the system date and time.
  • Dispose of the battery as required by local ordinances or regulations.
Attention
  • To avoid potential damage, do not let the CMOS battery contact any metal surface.

  • Make sure that all the server power cords are disconnected from power source before performing this procedure.

See the topic corresponding to the CMOS battery to be installed.
Figure 1. CMOS battery locations on the system board

1 security battery for ThinkShield2 System battery

Install the security battery

Procedure

  1. 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.
  2. Place the CMOS battery on top of the socket with the positive (+) symbol facing up, and press the battery into the seat until it clicks in place.
    Figure 2. Installing the ThinkShield battery

After this task is completed

  1. Proceed to complete the parts replacement (see Complete the parts replacement).

Install the system battery

Procedure

  1. 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.
  2. Align the CMOS battery with the base of the seat, with positive (+) side faces middle of the chassis. Then, pivot the top of the battery until the battery clicks in place.
    Figure 3. Installing the system battery

After this task is completed

  1. Proceed to complete the parts replacement (see Complete the parts replacement).

  2. If a security battery of ThinkEdge Security Pack Enabled has been installed, activate the system (see Activate the system).
  3. Power on the server; then, reset date, time, and all the passwords.

>Watch the procedure on YouTube.