HP ProLiant ML110 ProLiant ML110 Generation 2 Server Maintenance and Service G - Page 44
To replace the system battery
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Removal and Replacement Procedures If the server no longer automatically displays the correct date and time, the system battery that provides power to the real-time clock may need to be replaced. Under normal use, battery life is 5 to 10 years. WARNING: Note the following reminders when replacing the system battery. • Replace the battery with the same type as the battery recommended by HP. Use of another battery may present a risk of fire or explosion. • A risk of fire and chemical burn exists if the battery is not handled properly. Do not disassemble, crush, puncture, or short external contacts, or expose the battery to temperatures higher than 60°C (140°F). • Do not dispose of used battery in water or fire. Dispose of used batteries according to manufacturer's instructions. CAUTION: Loss of BIOS settings occurs when the battery is removed. BIOS settings must be reconfigured whenever the battery is replaced. To replace the system battery: 1. Perform steps 1 through 3 of the pre-installation instructions. 2. Remove the access panel. 3. Lay the server on its side (components showing) for better access to the battery socket (BT1). 4. If necessary, remove any accessory boards or cables that prevent access to the battery socket. 5. Replace the battery: IMPORTANT: Do not bend the spring latch during battery replacement. For proper operation, the latch must maintain a position of contact with the battery. a. Insert a small flat-blade screwdriver or a similar tool between the battery and spring latch to dislodge the battery from its socket. b. Lift up the old battery to remove it. c. Insert a new battery with the positive polarity (+ side) facing up, and ensure that it is seated completely. Ensure the spring latch is in place, and that it holds the battery firmly. HP ProLiant ML110 Generation 2 Server Maintenance and Service Guide 2-35