Apple Memory DIMMs warranty First Steps, Opening the Computer, Replacement Instructions

Models: Memory DIMMs

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1Shut down computer.

2Wait 10 minutes.

Warning: Parts inside computer can be very hot. Allow computer to cool down before continuing.

3Unplug all external cables except power cord.

4Touch metal PCI cover on back of computer.

5Unplug power cord.

Computer

1Hold side access panel and lift latch on back of computer.

Warning: Edges of access panel and enclosure can be sharp. Be careful when handling.

2Remove access panel and place it on flat surface covered by soft, clean cloth.

Note: Follow these instructions carefully. Failure to do so could damage your equipment and void its warranty.

073-1246 Rev. B 1

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Contents

Opening the Computer First StepsReplacement Instructions Memory DIMMsSpecifications Memory ConfigurationQuad-Core Configuration Quad-Core Memory Filling SlotsIf you have Fill these slotsMemory Slot Utility 8-Core MemoryFill in these slots If you have1 Locate processor tray Removing the Installed DIMM073-1246 Rev. B 3 Holding tray by latches, lift it out of computer 4 Place tray DIMM side up on soft, clean cloth073-1246 Rev. B 1 Align DIMM in slot on processor board Installing the Replacement DIMM2 Push both ends of DIMM down until ejectors snap back up into place 1 Replace access panel Closing the ComputerImportant The quad Memory Diagnostic LEDsCheck How to Troubleshoot Memory LEDsResult Action