Compaq AP550 Compaq Professional Workstation AP550 Maintenance & Service G - Page 87

Lithium Battery, WARNING, CAUTION, before

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3-54 Compaq Professional Workstation AP550 Maintenance and Service Guide Lithium Battery NOTE: When replacing a battery, use a CR2032 or equivalent 3-volt lithium coin cell battery. WARNING: The system board contains a lithium-ion battery pack. There is a risk of fire and chemical burn if the battery pack is handled improperly. Do not disassemble, crush, puncture, short external contacts, dispose of in water or fire, or expose it to temperatures higher than 140ºF (60ºC). CAUTION: Static electricity can damage the electronic components of the workstation. Before beginning these procedures, be sure you are discharged of static electricity by briefly touching a grounded metal object. NOTE: It is important to make a diagnostics diskette before you install a new battery. Instructions for creating and using the Compaq Diagnostic Diskette are located on the Compaq website: www.compaq.com To replace the lithium battery (153099-001): 1. Perform the steps in the "Service Preparations" section as previously shown. CAUTION: Before removing the workstation access panel, ensure that the workstation is turned off, all cables are disconnected from the back of the workstation, and the power cord is disconnected from the grounded AC outlet. 2. Remove the workstation access panel. 3. Locate the battery on the system board. NOTE: If you have expansion boards installed, you may need to remove them to gain access to the battery. Figure 3-47. Locating the battery on the system board

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3-54
Compaq Professional Workstation AP550 Maintenance and Service Guide
Lithium Battery
NOTE:
When replacing a battery, use a CR2032 or equivalent 3-volt lithium coin cell battery.
WARNING:
The system board contains a lithium-ion battery pack. There is a risk of fire and
chemical burn if the battery pack is handled improperly. Do not disassemble, crush, puncture,
short external contacts, dispose of in water or fire, or expose it to temperatures higher than
140ºF (60ºC).
CAUTION:
Static electricity can damage the electronic components of the workstation. Before
beginning these procedures, be sure you are discharged of static electricity by briefly touching
a grounded metal object.
NOTE:
It is important to make a diagnostics diskette
before
you install a new battery. Instructions for
creating and using the Compaq Diagnostic Diskette are located on the Compaq website:
www.compaq.com
To replace the lithium battery (153099-001):
1.
Perform the steps in the “Service Preparations” section as previously shown.
CAUTION:
Before removing the workstation access panel, ensure that the workstation is
turned off, all cables are disconnected from the back of the workstation, and the power cord is
disconnected from the grounded AC outlet.
2.
Remove the workstation access panel.
3.
Locate the battery on the system board.
NOTE:
If you have expansion boards installed, you may need to remove them to gain access to the
battery.
Figure 3-47.
Locating the battery on the system board