Installing A Memory - Gigabyte GA-Z77X-UD3H User Manual

1-4-2 Installing a Memory

Before installing a memory module, make sure to turn off the computer and unplug the power cord
from the power outlet to prevent damage to the memory module. DDR3 and DDR2 DIMMs are not
compatible to each other or DDR DIMMs. Be sure to install DDR3 DIMMs on this motherboard.
your memory modules in the memory sockets.
Step 1:
Note the orientation of the memory module. Spread the retaining clips
at both ends of the memory socket. Place the memory module on the
the top edge of the memory, push down on the memory and insert it
vertically into the memory socket.
Step 2:
The clips at both ends of the socket will snap into place when the
memory module is securely inserted.
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Notch
DDR3 DIMM
Hardware Installation