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4 Adding Memory
to Your PowerBook
This chapter provides information and instructions for
installing additional memory in your PowerBook.
Your computer comes with two memory slots, one above the other, that you access
from the bottom of the computer. Your computer comes with a minimum of 512
megabytes (MB) of 533 MHz Double Data Rate (DDR2) Synchronous Dynamic
Random-Access Memory (SDRAM) installed. Both memory slots can accept an SDRAM
module that meets the following specifications:
 Double Data Rate Small Outline Dual Inline Memory Module (DDR SO-DIMM) format
 1.25 inch or smaller
 512 MB or 1 gigabyte (GB)
 200-pin
 PC2-4200 DDR2 533 MHz Type RAM
Note: Your computer processes data at the speed of 333 MHz.
Depending on the configuration of the PowerBook you purchased, both memory slots
might already be full.
The maximum amount of memory you can install in your PowerBook is 2 GB, using
1 GB DIMMs in both memory slots.
Warning: Apple recommends that you have an Apple-certified technician install
memory. Consult the service and support information that came with your computer
for instructions on how to contact Apple for service. If you attempt to install memory
and damage your equipment, such damage is not covered by the limited warranty on
your computer.