Installation Of Memory Modules (Dimm) - ASROCK IMB-170 User Manual

2.1 Installation of Memory Modules (DIMM)

This motherboard provides two 204-pin DDR3 (Double Data Rate 3) SO-
DIMM slots, and supports Dual Channel Memory Technology. For dual
channel configuration, you always need to install identical (the same
brand, speed, size and chip-type) DDR3 DIMM pairs.
1. It is unable to activate Dual Channel Memory Technology
with only one memory module installed.
2. It is not allowed to install a DDR or DDR2 memory module
into a DDR3 slot; otherwise, this motherboard and DIMM
may be damaged.
Step 1. Unlock a DIMM slot by pressing the retaining clips outward.
Step 2. Align a DIMM on the slot such that the notch on the DIMM
matches the break on the slot.
The DIMM only fits in one correct orientation. It will cause per-
manent damage to the motherboard and the DIMM if you force
the DIMM into the slot at incorrect orientation.
Step 3. Firmly insert the DIMM into the slot until the retaining clips at both
ends fully snap back in place and the DIMM is properly seated.
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