ASROCK A320M/ac, Руководство пользователя

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2.3 Installing Memory Modules (DIMM)
This motherboard provides two 288-pin DDR4 (Double Data Rate 4) DIMM slots,
and supports Dual Channel Memory Technology.
DDR4 UDIMM Maximum Frequency Support
A-Series APUs:
Ryzen Series CPUs (Matisse):
1. For dual channel configuration, you always need to install identical (the same
brand, speed, size and chip-type) DDR4 DIMM pairs.
2. It is unable to activate Dual Channel Memory Technology with only one 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 DIMM may be damaged.
UDIMM Memory Slot
Frequency
(Mhz)
A1 B1
SR - 2400
- SR 2400
DR - 2400
- DR 2400
SR SR 2400
DR DR 2400
UDIMM Memory Slot
Frequency
(Mhz)
A1 B1
SR - 3200
- SR 3200
DR - 3200
- DR 3200
SR SR 3200
DR DR 3200