Toshiba Satellite X200 User Manual page 158

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
red.
■
If there is only an error in Slot B: repeatedly flashes orange, then red
twice.
■
If there is an error in Slot A and in Slot B: repeatedly flashes orange twice,
then red 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
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.
5. Slide your fingernail or a thin object under the cover and lift it off.
9-6
switch.
Optional Devices
Satellite X200/Satellite Pro X200