Toshiba Portege R200 (PPR21) - Manual (Page 124)

User’s Manual 8-6
Optional Devices
Memory expansion
This computer has equipped the underside one memory module slot. You
can increase the capacity of RAM by installing an additional memory or
replacing default memories with additional memories.
Some memory modules can be physically installed but are not compatible
with the computer. In this case, the computer will issue a warning. When
you turn on the power, a series of short beeps will sound in the pattern of
one, three, three, one. Shut down the power and remove the incompatible
module.
Installing memory module
Follow the steps below to install a memory module.
1. Set the computer to boot mode and turn the computer’s power off.
Make sure the Power indicator is off. Refer to the Turning off the power
section in Chapter3, Getting Started.
2. Remove AC adaptor and all cables connected to the computer.
3. Turn the computer upside down and remove the battery pack. Refer to
Replacing the battery pack section in Chapter 6, Power and Power-Up
Modes, for details.
■ Place a mat beneath the computer to prevent making a scratch on the
lid when replacing the memory module. Avoid the mat that generates
static electricity.
■ When you remove a memory, please do not touch other portions of a
computer.
■ Use only memory modules approved by TOSHIBA.
■ Do not try to install or remove a memory module under the following
conditions. You can damage the computer and the module. Also, data
will be lost.
a. The computer is turned on.
b. The computer was shut down using the Standby mode or
Hibernation mode.
c. Wake-up on LAN is enabled.
■ Be careful not to let screws or other foreign matter fall into the
computer. It could cause malfunction or electric shock.
■ Expansion memory is a precision electronic component that may be
fatally damaged by static electricity. Since human body has slight static
electricity, be sure to discharge static electricity from your body before
installing an expansion memory module. To discharge your body’s
static electricity, simply touch any metal close to you with bare hands.
Use a point size 0 Phillips screwdriver to remove and fasten the screws.
Use of an incorrect screwdriver can damage the screw heads.