User's Manual
Memory expansion
You can install additional memory in the computer's memory module to increase the
amount of RAM.
CAUTION: Only memory modules with the following parts numbers can
be installed:
PA3126U-1M12:
PA3127U-1M25:
PA3164U-1M51
Installing memory module
To install a memory module, make sure the computer is in boot mode then:
1. Turn the computer off in boot mode. Refer to the
section in Chapter 3.
CAUTIONS: 1. If you use the computer for a long time, the memory
2. Remove all cables connected to the computer.
3. Turn the computer upside down and remove the battery pack (refer to Chapter
6,
Power and Power-Up
4. Remove one screw securing the memory module cover.
5. Lift off the cover.
NOTE: Use a point size 0 Phillips screwdriver.
8-6
128 MB
256 MB
512MB
modules will become hot. In this case, let the memory
modules cool to room temperature before you replace
them.
2. Do not try to install a memory module with the
computer turned on or turned off in Standby and
Hibernation mode. You can damage the computer and
the memory module.
3. If you install a memory module that is not compatible
with the computer, 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. In this case shut down the power
and remove the incompatible module.
Modes.)
Turning off the power