Battery - HP xw3100 Service And Technical Reference Manual

Removal and Replacement Procedures

5.14 Battery

The battery that comes with this workstation provides power to the real-time clock and has a
lifetime of about three years. When replacing the battery, use a battery equivalent to the battery
originally installed on the workstation. The workstation comes with a 3-volt lithium coin cell
battery.
The lifetime of the lithium battery can be extended by plugging the workstation into a live AC
wall socket. The lithium battery is only used when the workstation is NOT connected to AC
power.
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WARNING: This workstation contains an internal lithium manganese dioxide battery. There is a risk of fire
and burns if the battery is not handled properly. To reduce the risk of personal injury:
Do not attempt to recharge the battery.
Do not expose to temperatures higher than 140°F (60°C)
Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or
water.
Replace the battery only with the HP/Compaq spare designated for this product.
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CAUTION: Before replacing the battery, it is important to back up the workstation CMOS settings.
When the battery is removed or replaced, the CMOS settings will be cleared. Refer to the
Troubleshooting Guide for information on backing up the CMOS settings.
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Batteries, battery packs, and accumulators should not be disposed of together with the general
household waste. In order to forward them to recycling or proper disposal, please use the public
collection system or return them to HP/Compaq, their authorized partners, or their agents.
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CAUTION: Static electricity can damage the electronic components of the workstation or optional
equipment. Before beginning these procedures, ensure that you are discharged of static electricity by
briefly touching a grounded metal object.
1. Prepare the workstation for disassembly (Section 5.1).
2. Remove the workstation access panel (Section 5.5).
It may be necessary to remove an expansion card to gain access to the battery.
3. Locate the battery and battery holder on the system board.
4. Carefully pull the cable bundle out of the way to access the battery.
5. Depending on the type of battery holder on your system board, complete the following
instructions to replace the battery:
5–26 338611-001 Service and Technical Reference Guide, xw3100