Sony PCG-R505JSP - Manual (Page 85)

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Adding Memory
In the future you may want to install memory modules to expand the
functionality of your notebook. The amount of memory on your notebook
will vary depending on the model you purchased. Expansion memory
modules are available as options. For memory upgrades, use only
PC100 (CL2) SDRAM SO-DIMM (gold lead contacts). This section
describes how to replace memory modules in your computer:
❑ Precautions and Procedures
❑ Installing a Memory Module
❑ Removing a Memory Module
❑ Viewing the Amount of Memory
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. Personal
injury or equipment damage may result from failure to take these precautions.
❑ Disconnect the system from its power source and from any
telecommunications links, networks, or modems before you open the
system.
Sony recommends memory upgrades be performed by an authorized Sony
Service Center. To find the nearest center or agent, see
http://www.sony.com/pcsupport.
Observe the proper safety precautions when installing memory modules in
your notebook. See the bulleted list below. Use care when adding memory.
Mistakes when installing or removing a memory module may cause a
malfunction.