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Hardware Reference Guide 2–1
2
Hardware Upgrades
Serviceability Features
Your computer includes features that make it easier to upgrade and
service.
Installation Sequence
It is very important that you follow this sequence of steps to ensure
the proper installation of any optional equipment. For more
information about Computer Setup, refer to the Computer Setup
Guide.
1. If the computer is already on, turn it off and disconnect the power
cord from the wall outlet.
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WARNING: To reduce the risk of personal injury from electrical shock
and/or hot surfaces, be sure to disconnect the power cord from the wall
outlet, and allow the internal system components to cool before
touching.
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WARNING: To reduce the risk of electrical shock, fire, or damage to the
equipment, do not plug telecommunications/telephone connectors into
the network interface controller (NIC) receptacles.
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CAUTION: Static electricity can damage the electrical components of
the computer or optional equipment. Before beginning these
procedures, ensure that you are discharged of static electricity by briefly
touching a grounded metal object. See Appendix E, “Electrostatic
Discharge,” for more information.
2. Open the computer by removing its outside cover. See the
procedures for removing the computer cover.