Installation Of Memory Modules (Dimm) - ASROCK C226 WS+ User Manual

2.5 Installation of Memory Modules (DIMM)

This motherboard provides four 240-pin DDR3 (Double Data Rate 3) DIMM
slots, and supports Dual Channel Memory Technology.
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 dam-
aged.
Dual Channel Memory Configuration
Priority DDR3_A1
1
2 Populated
3 Populated
The DIMM only fits in one correct orientation. It will cause permanent
damage to the motherboard and the DIMM if you force the DIMM into
the slot at incorrect orientation.
DDR3_A2 DDR3_B1
Populated
Populated
Populated Populated
19
DDR3_B2
Populated
Populated