Precautions and procedures – Sony PCG-SR33K User Manual
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Precautions and Procedures
The procedures described below assume familiarity with the general terminology associated with personal computers
and with the safety practices and regulatory compliance required for using and modifying electronic equipment.
Sony recommends that memory upgrades be performed by an authorized Sony Serv ice Center. To find the
nearest center or agent, see
Be careful when installing a memory module in your notebook, and be sure to observ e the proper safety
precautions listed below. Mistakes that occur when installing or remov ing a memory module may cause a malfunction.
Disconnect the system from its power source and from any telecommunications links, networks, or modems
before you open the system or follow any of the procedures described below. Failure to do so may result in
personal injury or equipment damage.
Electrostatic discharge (ESD) can damage disk drives 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 protective package to store a memory module and prevent ESD, or wrap the memory module
in aluminum foil.
Typical expansion memory configuration
Total System Memory (MB)
Slot 1 (MB) Slot 2 (MB)
128
64
64
192
64
128
256
128
128
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