Sony PCG-F520 User Manual

 Notebook User Guide

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(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 remove a memory module

Shut down your computer and disconnect all peripheral devices, such as 

your printer.

Unplug the computer and remove the battery packs.

Wait until the computer cools down. Then unscrew the screw at the bottom 

of your computer. Loosen the screw with an appropriate screwdriver.

Touch a metal object (such as the connector panel on the back of your 

computer) to discharge static electricity.

Remove the memory module.

Total System Memory (MB)

Slot 1 ( MB)

Slot  2 (MB)

128

64

64

192

64

128

256

128

128