Filter
Top Products
238 Chapter 10 Replace Data Cards and Processing Hardware
P0993133 03
Replace the Clock/Calendar Battery
The clock/calendar battery supplies the power required to keep the CMOS information current if
there is a power failure. Figure 153 provides an overview of the process of replacing this
component.
Figure 158 Battery replacement overview
Warning: You must replace the battery with a CR2032, 3v Maxell coin cell battery. Do
not use any other manufacturer because this may invalidate the safety approval of the
Business Communications Manager and possibly cause a fire or explosion.
Warning: Protect the hardware components against damage from electro-static
discharge. Always wear a ground wrist strap before you handle components. Always place
the components in static-free container.
Danger: Disconnect the power cord, telephone cables and network cables before opening
the computer.
Read and follow installation instructions carefully.
Do a software
shutdown
Set up unit for
maintenance
Restore unit to
operation
CAREFULLY
lift battery off
motherboard
Install
new battery
WARNING:
+ faces up