Apple Memory DIMMs - Manuals

073-1246 Rev. B 5 © 2009 Apple Inc. All rights reserved. Removing the Installed DIMM Because memory DIMMs are installed on the computer’s processor board, before you can remove a DIMM, you must remove the processor tray. Locate processor tray. 1 2 Press down and release 2 latches on front of process...

073-1246 Rev. B 7 © 2009 Apple Inc. All rights reserved. Installing the Replacement DIMM 1 Align DIMM in slot on processor board. Push both ends of 2 DIMM down until ejectors snap back up into place. Note: If a black sticker covers barcode label on DIMM you are replacing, remove sticker before retur...

073-1246 Rev. B 8 © 2009 Apple Inc. All rights reserved. Closing the Computer 1 Replace access panel. Note: Make sure latch is up before you replace panel. If latch is down, panel will not seat correctly. Push latch down 2 to close and secure access panel. Warning: Never turn on computer unless all ...

073-1246 Rev. B 9 © 2009 Apple Inc. All rights reserved. Memory Diagnostic LEDs Important: The quad- core and 8-core processor boards include a set of diagnostic memory LEDs. After re-installing or replacing a DIMM, always use the LEDs to verify the DIMM is correctly seated. To verify your DIMM inst...

073-1246 Rev. B 10 © 2009 Apple Inc. All rights reserved. How to Troubleshoot Memory LEDs Follow this procedure when troubleshooting each DIMM identified by a red LED: Remove and reseat DIMM. 1. Restart computer. If associated LED is no longer illuminated, issue is resolved. 2. If associated LED rem...