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Sony Notebook User Guide
Precautions
93
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Changing the memory
In the future you may want to change memory modules in order to expand the functionality of your computer. You
can increase the memory by installing optional memory modules.
Be careful when changing memory. Mistakes on installation or removal of the memory module may cause a
malfunction.
For memory upgrades, use only PC100 (CL2) SDRAM SO-DIMM (gold leaf contacts).
Electrostatic discharge can damage electronic components. Before touching a memory expansion board, ensure the
following:
Handle the memory module gently.
The procedures described in this document 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.
Disconnect the system from its power source and from any telecommunication links, networks, or modems before
you open the system. Failure to do so may result in personal injury or equipment damage.
Electrostatic Discharge (ESD) can damage memory modules and other components. Install the memory Module 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 change the module. The package protects the
module from ESD.
!
Use the special bag delivered with the memory module or wrap the module in aluminium foil to protect it from electrostatic discharge.
! Do not place the memory module in places subject to:
- Heat sources such as radiators or air ducts,
- Direct sunlight,
- Excessive dust,
- Mechanical vibration or shock,