HP Xw4550 HP xw4550 Workstation - Service and Technical Reference Guide - Page 95

Battery, WARNING, CAUTION

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5. Install a PCI slot cover and close the PCI levers. If the PCI levers do not close, be sure all cards are properly seated and then try again. Figure 4-41 Removing the IEEE-1394 card To install an IEEE-1394 card, reverse the previous steps. Battery The battery that comes with the workstation provides power to the real-time clock and has a minimum lifetime of approximately three years. WARNING! This workstation contains a lithium battery. There is a risk of fire and chemical burn if the battery is handled improperly. Do not disassemble, crush, puncture, short external contacts, dispose in water or fire, or expose it to temperatures higher than 140°F (60°C). CAUTION: Before removing the battery, be sure your CMOS settings are backed up as all CMOS settings are lost when the battery is removed. To back up the CMOS settings, use the Computer Setup (F10) Utility and run the Save to Diskette option from the File menu. NOTE: Batteries, battery packs, and accumulators should not be disposed of together with general household waste. To remove the battery: 1. Disconnect power from the system (Predisassembly procedures on page 55) and remove the side access panel (Side access panel on page 59). 2. On the system board, press on the release tab of the battery holder. 3. Rotate the battery enough to get beyond the latch and lift it straight up. ENWW Steps for removing and replacing components 87

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5.
Install a PCI slot cover and close the PCI levers. If the PCI levers do not close, be sure all cards
are properly seated and then try again.
Figure 4-41
Removing the IEEE-1394 card
To install an IEEE-1394 card, reverse the previous steps.
Battery
The battery that comes with the workstation provides power to the real-time clock and has a minimum
lifetime of approximately three years.
WARNING!
This workstation contains a lithium battery. There is a risk of fire and chemical burn if the
battery is handled improperly. Do not disassemble, crush, puncture, short external contacts, dispose in
water or fire, or expose it to temperatures higher than 140°F (60°C).
CAUTION:
Before removing the battery, be sure your CMOS settings are backed up as all CMOS
settings are lost when the battery is removed. To back up the CMOS settings, use the Computer Setup
(F10) Utility and run the Save to Diskette option from the File menu.
NOTE:
Batteries, battery packs, and accumulators should not be disposed of together with general
household waste.
To remove the battery:
1.
Disconnect power from the system (
Predisassembly procedures
on page
55
) and remove the side
access panel (
Side access panel
on page
59
).
2.
On the system board, press on the release tab of the battery holder.
3.
Rotate the battery enough to get beyond the latch and lift it straight up.
ENWW
Steps for removing and replacing components
87