Disassembly and Reassembly 4-11
To replace the RTC battery, perform the following procedures:
1.
Observe the safety and ESD precautions listed under
General Information
and
Static Precautions
at the beginning of this chapter.
2.
Open the front bezel of your system's cabinet. For rack-mount systems you
must remove the front panels of the system chassis.
3.
Shutdown the operating system (OS).
4.
Press the power on/off switch on the front panel of the server (see
Front View
in Chapter 1). The power-on LED goes out.
5.
Power off the peripheral devices.
6.
Unplug the system power cord(s) from the AC wall outlet(s).
Note:
If the system power cord is connected to a power
control unit such as an UPS (Uninterruptible Power Supply),
refer to the UPS user's guide for proper power-off
procedures.
7.
Remove the left-hand side access panel of the system chassis following
procedures previously described in this chapter.
!
CAUTION
For proper cooling and airflow, do not operate the system
with the side access panel removed. Always
replace
the
panel before powering on the system.
8.
Remove the processor air duct. See
Processor Air Duct Removal
earlier in
this chapter.
9.
If present, remove the protective plastic cover located over the top of the
lithium battery (see Figure 4-5).
10.
Insert the tip of a small flat-bladed screwdriver, or equivalent, under the
plastic tab on the plastic retainer (see Figure 4-5, A).
11.
Gently push down on the screwdriver to lift the battery (see Figure 4-5, B).
12.
Remove the battery from its socket (see Figure 4-5, C).
13.
Dispose of the battery according to local ordinance.
14.
Remove the new lithium battery from its package, and, being careful to
observe the correct polarity (plus sign (+) up) insert it into the battery socket.
15.
If applicable, reinstall the plastic cover on the lithium battery socket.
16.
Reinstall the air duct.
17.
Reinstall the left-hand side access panel on the system chassis.
18.
Plug in the system power cord(s), and turn on the system.
Summary of Contents for Express 5800/120Lg
Page 1: ... S e r v i c e G u i d e EXPRESS5800 120Lg ...
Page 2: ......
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Page 73: ...Disassembly and Reassembly 4 7 Figure 4 2 Installing the Left Hand Side Access Panel ...
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Page 161: ...6 Illustrated Parts Breakdown Exploded View Field Replaceable Units ...
Page 168: ......
Page 169: ...A Specifications System Specifications ...
Page 179: ...C IRQ and I O Port Addresses Interrupt Requests PIRQ and PCI Device ...
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Page 203: ...xx ...
Page 204: ... 456 01673 000 ...