cord. To remove all electrical current from the device, ensure that all power cords are disconnectedfrom the power source.Before removing the CMOS battery:1. Remove the top cover. See “Remove the top cover” on page 42.2. Remove any parts and disconnect any cables that might impede your access to the CMOS battery.To remove the CMOS battery, complete the following steps:Watch the procedure. A video of the removal process is available:• Youtube: https://www.youtube.com/playlist?list=PLYV5R7hVcs-C_GGjNudxYy8-c69INMcmE• Youku: http://list.youku.com/albumlist/show/id_50462008Step 1. Locate the CMOS battery. See “System board components” on page 24.Step 2. Press the battery clip as shown and carefully lift CMOS battery out of the socket.Attention:• Failing to remove the CMOS battery properly might damage the socket on the system board.Any damage to the socket might require replacing the system board.• Do not tilt or push the CMOS battery by using excessive force.Figure 76. CMOS battery removalAfter removing the CMOS battery:1. Install a new one. See “Install the CMOS battery” on page 86.2. Dispose of the CMOS battery as required by local ordinances or regulations.Install the CMOS batteryUse this information to install the CMOS battery.The following tips describe information that you must consider when installing the CMOS battery.• Lenovo has designed this product with your safety in mind. The lithium battery must be handled correctlyto avoid possible danger. If you install the CMOS battery, you must adhere to the following instructions.Note: In the U. S., call 1-800-IBM-4333 for information about battery disposal.86 ThinkSystem SR630 Maintenance Manual
