ASROCK Rack C422 WSI/IPMI, Руководство пользователя

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2.3 Installation of Memory Modules (SODIMM)
This motherboard provides four 260-pin DDR4 (Double Data Rate 4) SO-DIMM slots, and
supports Daul Channel Memory Technology.
Dual Channel Memory Configuration
Priority DDR4_A1 DDR4_B1 DDR4_C1 DDR4_D1
1 Populated Populated
2 Populated Populated
1. For dual channel configuration, you always need to install identical (the same brand,
speed, size and chip-type) DDR4 SO-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, DDR2 or DDR3 memory module into a DDR4 slot;
otherwise, this motherboard and SO-DIMM may be damaged.
The SO-DIMM only fits in one correct orientation. It will cause permanent damage to
the motherboard and the SO-DIMM if you force the SO-DIMM into the slot at incorrect
orientation.