Optional Devices

Insert the two memory modules of the same specifications and capacity into Slot A (Upper) and Slot B (Bottom) respectively. The computer will operate in dual channel mode.

You can access the inserted memory modules efficiently in dual channel.

Point to note about Memory Module Error

If you install a memory module that is not compatible with the computer, the Power indicator will flashes (on for 0.5 seconds, off for 0.5 seconds) in the following ways:

■If there is only an error in Slot A: repeatedly flashes orange twice, then blue.

■If there is only an error in Slot B: repeatedly flashes orange, then blue twice.

■If there is an error in Slot A and in Slot B: repeatedly flashes orange twice, then blue twice.

In all instances you should shut down the computer and remove the incompatible module(s).

Installing Memory on Bottom Side

If you use the computer for a long time, the memory modules will become hot. In this case, let the memory modules cool to room temperature before you replace them.

Follow these steps to install a memory module:

1. Set the computer to boot mode and turn off the power.

Do not try to install a memory module under the following conditions. You can damage the computer and the module.

a.The computer is turned on.

b.The computer was shut down using the Stand by mode.

c.Power to the optical disc drive has been turned on by the CD Power switch.

2.Remove all cables connected to the computer.

3.Turn the computer upside down and remove the battery, refer to Chapter 7, Power and Power-Up Modes.

4.Loosen the one screw securing the memory module socket cover.

User’s Manual

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