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ASRock FM2A75M Pro4+ Motherboard
English
2.3 Installation of Memory Modules (DIMM)
This motherboard provides four 240-pin DDR3 (Double Data Rate 3) DIMM
slots, and supports Dual Channel Memory Technology.
Dual Channel Memory Configuration
The DIMM only fits in one correct orientation. It will cause permanent dam-
age to the motherboard and the DIMM if you force the DIMM into the slot at
incorrect orientation.
Priority
DDR3_A1
DDR3_A2
DDR3_B1
DDR3_B2
1
Populated
Populated
2
Populated
Populated
3
Populated
Populated
Populated
Populated
1.
For dual channel configuration, you always need to install identical (the
same brand, speed, size and chip-type) DDR3 DIMM pairs.
2.
It is unable to activate Dual Channel Memory Technology with only one or
three memory module installed.
3.
It is not allowed to install a DDR or DDR2 memory module into a DDR3
slot; otherwise, this motherboard and DIMM may be damaged.
4.
If you adopt DDR3 2600/2400/2133/1866/1600 memory modules on this
motherboard, it is recommended to install them on DDR3_A2 and DDR3_
B2 slots.
