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70 Chapter 4 Installing Memory
Installing Additional Memory
Your iMac has two memory slots, a top slot and a bottom slot, that you access by
removing the door under the stand. You can add an additional 512 MB or 1 GB memory
module to the bottom slot and you can remove the memory module in the top slot to
replace the installed memory.
You can purchase additional Apple memory for your iMac at an Apple Authorized
Reseller, an Apple Store retail location, or the online Apple Store at www.apple.com/
store.
Installing Memory in the Bottom Slot
You can add an additional 512 MB or 1 GB memory module to the bottom slot in your
iMac. If you would like to upgrade the memory that’s installed in the top slot, see
“Replacing the Memory in the Top Slot” on page 74.
To install memory in the bottom slot:
1 Turn your iMac off by choosing Apple () > Shut Down.
2 Disconnect all cables and the power cord from your iMac.
3 Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your iMac
and lay it down so that the screen is against the surface and the bottom is facing you.
Warning: Always shut down your iMac and remove the power cord before installing
memory. Do not attempt to install memory in the computer while it is plugged in.