PowerBook (FireWire)
Memory (RAM)
Replacement Instructions
Be sure to follow these instructions carefully. Failure to follow these
instructions could result in damage to your equipment and may void your
warranty.
For this computer, you can replace memory in either the upper or lower
RAM slot. Replacing memory in your computer requires up to nine basic
steps:
• Turn off the computer.
• Open the computer.
• Remove the heat shield.
• Remove the processor module (if replacing RAM in the lower RAM slot).
• Remove the RAM you are replacing.
• Install the replacement RAM.
• Replace the processor module (for lower RAM replacement only).
• Replace the heat shield.
• Close the computer.
Note:
A video version of the replacement instructions is available at
http://www.info.apple.com/installparts
Tools Required
• Jeweler’s flat-blade screwdriver
• Phillips screwdriver
Electrostatic Discharge (ESD)
Static electricity , a normal and natural phenomenon, builds up on y our body
as you walk around. You experience an electrostatic discharge (ESD) when
you touch an object and feel a spark. ESD can cause damage to the
internal components of your computer.
To avoid ESD damage, read and follow all instructions. If a grounding wrist
strap is included with your replacement memory, refer to the instructions
included for how to ground and use the strap.
About Memory
Your computer comes with a minimum of 64 megabytes (MB) of
synchronous dynamic random-access memory (SDRAM) installed in a
RAM slot on the bottom of the processor module. On the top of the
processor module is another RAM slot you can use to add additional
memory to your PowerBook.
RAM Specifications
The expansion slots on the top and bottom of the processor module can
accept up to a 2-inch SDRAM card that meets the following specifications:
• small outline-dual Inline memory module (SO-DIMM) format
• 16, 32, 64, 128, or 256 MB
• 144-pin
• PC-100 Type RAM
SDRAM from earlier PowerBook models cannot be used.
Maximum RAM Configurations
The maximum amount of RAM you can install in your PowerBook is 512
MB, using 256 MB DIMMs in both the top and bottom RAM slots. To install
RAM in the bottom RAM slot, you must remove the processor module. To
install RAM in the top RAM slot, do not remove the processor module.
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- PowerBook (FireWire) Memory (RAM)
Opening the Computer
Warning: Always turn off your computer before opening it to avoid
damaging its internal components.
1 Place your computer on a clean, flat surface.
2 Shut down your computer, remove the battery from the expansion bay,
and disconnect the power adapter, modem, and any other cables
connected to the computer.
Warning: The internal components of your PowerBook may be hot.
If you have been using your PowerBook, wait 30 minutes after
shutting down your computer to let the internal components cool
down before continuing.
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3 Make sure that the keyboard loc king scre w is not in the loc k ed position.
Your new P owerBook comes with the k eyboard unloc ked, so unless you
or someone else locked the keyboard, you can skip this step.
®
4 Release the keyboard by pulling down on the keyboard release tabs
(located to the left of the F1 and F9 keys) until the top portion of the
keyboard pops up.
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- PowerBook (FireWire) Memory (RAM)
5 Lift the top portion of the PowerBook keyboard up slightly near the top
row of keys and pull it back far enough to release the small tabs that
hold the bottom of the keyboard in place.
6 Flip the keyboard over and lay it on the palm rests.
7 Touch a metal surface inside the computer to discharge any static
electricity.
Important:
by touching a metal surface before you touch any parts or install any
components inside the computer. To avoid static electricity building
back up in your body, do not walk around the room until you have
completed your installation and closed the computer.
To avoid electrostatic discharge, always ground yourself
PowerBook (FireWire) Memory (RAM) -
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