HP ProLiant CL380 Compaq ProLiant CL380 User Guide - Page 192

C Appendix Installing a New Battery The Compaq ProLiant CL380 has two memory devices which require a battery for retaining stored information. The battery is located on the server node system boards. This battery is required to maintain data. System Board Battery Replacement When your server node no longer automatically displays the correct date and time, you may need to replace the battery that provides power to the real-time clock. Under normal use, battery life is about 5 to 10 years. Use a Compaq 540-milliampere lithium, 3-volt replacement battery part number 179322-001. After you have completed the battery installation that follows, run the System Configuration Utility to reconfigure your system. Installing the System Board Battery WARNING: The system board contains a clock/CMOS lithium battery. The lithium battery may explode if mistreated. Do not abuse or disassemble. Use only replacement batteries supplied by Compaq Computer Corporation (spare part number 179322-001). To install the new battery, complete the following steps: 1. If the server node is which the batter needs to be replaced is on, place it in Standby and disconnect the power cords.