Sony PCG-FX390P - Manual (Page 82)

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82
Precautions and Procedures
The procedures described below assume you are familiar with the general
terminology associated with personal notebooks and with common safety
practices required for using and modifying electronic equipment. Personal injury
or equipment damage may result from failure to take these precautions.
❑ Disconnect your system from its power source and from any
telecommunications links, networks, or modems before you open the
system.
❑ Electrostatic discharge (ESD) can damage memory modules and other
components. Perform the procedures described below only at an ESD
workstation. If such a station is not available, do not work in a carpeted area,
and do not handle materials that produce or hold static electricity
(cellophane wrappers, for example). Ground yourself by maintaining contact
with an unpainted metal portion of the chassis while performing the
procedure.
❑ Do not open the memory module package until you are ready to install the
module. The package protects the module from ESD.
❑ Use the special bag for preventing ESD or use aluminum foil when you store
the memory module.
Typical expansion memory configuration
To determine the exact amount of memory pre-installed on your computer, refer
to the Specifications flyer supplied with your computer.
Observe the proper safety precautions when installing memory modules in
your notebook. See the bulleted list below. Use care when adding memory.
Mistakes made when installing or removing a memory module may cause a
malfunction.
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Depending on the specific model you purchased, a single 256 MB memorymodule or
two 128 MB memory modules may be preinstalled.