Apple MacBook Pro (15-inch, 2.53 GHz, Mid 2009) User Manual download pdf (Page 44)

44 Chapter 3 Boost Your MacBook Pro

For information about installing Mac OS X and bundled applications, see “Reinstalling

the Software That Came with Your MacBook Pro” on page 60.

Installing Additional Memory

Your computer has two memory slots that you access by removing the bottom case.

Your MacBook Pro comes with a minimum of 4 gigabytes (GB) of 1066 MHz Double

Data Rate (DDR3) Synchronous Dynamic Random-Access Memory (SDRAM) installed.

Each memory slot can accept an SDRAM module that meets the following

specifications:

Â Double Data Rate Small Outline Dual Inline Memory Module (DDR3) format

Â 30 mm (1.18 inches)

Â 1 GB, 2 GB, or 4 GB

Â 204-pin

Â PC3-8500 DDR3 1066 MHz Type RAM

You can add two 4 GB memory modules for a maximum of 8 GB of memory. For best

performance, fill both memory slots and install an identical memory module in each

slot.

To install memory in your MacBook Pro:

1 Follow steps 1 through 3 beginning on page 37.

Important: When you remove the bottom case, you expose sensitive internal

components. Avoid touching anything other than the memory assembly when you

remove or add memory.

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Apple MacBook Pro (15-inch, 2.53 GHz, Mid 2009) User Manual Page 44