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User's Manual
8-4
OPTIONAL DEVICES
Memory expansion
You can install additional memory in the computer’s memory module socket to
increase the amount of RAM. This section describes how to install and remove a
memory module.
CAUTION: 1. Use only memory modules approved by TOSHIBA.
2. 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.
❑
The computer is turned on.
❑
The computer was shut down using the Standby mode or Hiberna-
tion mode.
❑
Wake-up on LAN is enabled.
CAUTION: Some memory modules can be physically installed but are
not compatible with the computer. In this case the computer will issue a
warning. A beep will sound when you turn on the power.
If the module is installed in slot A, there will be a long beep followed by
a short beep. If the module is in slot B, there will be a long beep followed
by two short beeps. If the memory module is 1 GB or more, there will be a
long beep followed by four short beeps. In the case, shut down the power
and remove the incompatible module.
NOTE: Use a 0-bit, Phillips screwdriver to remove and fasten the
screws.Use of an incorrect screwdriver can damage the screw heads.
Installing memory module
Follow the steps below to install a memory module.
1. Set the computer to boot mode and turn off the power.
2. Remove all cables connected to the computer.
3. Turn the computer upside down and remove the battery pack (refer to
Chapter6, Power and Power-Up Modes).
4. Loose a screw securing the memory module cover.The screw is attached to
the cover to prevent it from being lost.
5. Slide your fingernail or a thin object under the cover and lift it off.