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2.3 Installation of Memory Modules (SO-DIMM)
AD2550RA/U3S3 / AD2550R/U3S3 / AD2550R motherboard provides two 204-pin
1. It is not allowed to install a DDR or DDR2 memory module into DDR3
slot; otherwise, this motherboard and SO-DIMM may be damaged.
priority.
Installing a SO-DIMM
Please make sure to disconnect power supply before adding or
removing SO-DIMMs or the system components.
Step 1. Unlock a SO-DIMM slot by pressing the retaining clips outward.
Step 2. Align a SO-DIMM on the slot such that the notch on the SO-DIMM
matches the break on the slot.
-
nent damage to the motherboard and the SO-DIMM if you force the SO-
DIMM into the slot at incorrect orientation.
Step 3. Firmly insert the SO-DIMM into the slot until the retaining clips at both
ends fully snap back in place and the SO-DIMM is properly seated.
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