Fujitsu S6520 - LifeBook - Core 2 Duo 2.4 GHz Простое руководство - Страница 34

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Removing and installing components during servicing

Removing and installing memory modules

System expansion

Memoryupgrade

Memoryexpansion

Mainmemory

The notebook will not start without memory modules, as no ﬁxed RAM is installed.

Your notebook supports dual channel technology if two DDR3 memory modules

are installed. Fujitsu Technology Solutions recommends installing two identical

memory modules in order to achieve the best system performance.

With a memory conﬁguration of 4 GBytes, the visible and usable main memory

may be reduced to 3 GBytes (depending on notebook conﬁguration).

If you are asked by the Hotline/Help Desk to remove and install the memory

modules yourself, proceed as follows:

Pay attention to the relevant safety notes provided in the "Important notes" chapter.

The notebook must be switched off when installing/removing the memory

modules, it must not be in Suspend mode.

Only use approved memory expansion modules in your notebook

(see Section

Never use force when installing or removing memory modules.

Make sure that foreign objects do not fall into the memory expansion compartment.

Individual components (e.g. the processor heat sink) can become very hot

during operation. Therefore, we recommend that you wait one hour after

switching off the notebook before removing or installing the memory modules.

Otherwise, there is a risk of suffering burns!

As some non-ESD safe components are exposed, please observe the section

on installing and removing boards and components", Page

► Switch your notebook off and unplug the mains adapter from the mains outlet.

► Close the LCD screen so that it locks into place.

► Disconnect all cables connected to the notebook.

► Turn your notebook over and place it on a stable, ﬂat and clean surface. If necessary, lay

an anti-slip cloth on this surface to prevent the notebook from being scratched.

► Remove the battery (see

"Technical data", Page

"Removing the battery", Page

29).

16).

A26391-K273-Z220-1-7619, edition 1

"Notes

25.