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2.4 Expansion Slots (PCI Express Slots)
There are 2 PCI Express slots on the motherboard.
PCIe slots:
PCIE1 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE2 (PCIe 2.0 x16 slot) is used for PCI Express x4 lane width graphics cards.
PCIe Slot Configurations
Before installing an expansion card, please make sure that the power supply is
switched off or the power cord is unplugged. Please read the documentation of the
expansion card and make necessary hardware settings for the card before you start
the installation.
PCIE1
PCIE2
Ryzen Series CPUs (Matisse Ridge)
x16
x4
Ryzen Series CPUs (Pinnacle Ridge)
x16
x4
Ryzen Series CPUs (Summit Ridge)
x16
x4
Ryzen Series CPUs (Picasso Ridge)
x8
x4
Ryzen Series CPUs (Raven Ridge)
x8
x4
Athlon Series CPUs
x4
x4
Summary of Contents for B450M/ac R2.0
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Page 20: ...English 14 3 ...
Page 22: ...English 16 3 4 C P U _ F A N 1 ...
Page 23: ...B450M ac R2 0 17 English Installing the AM4 Box Cooler SR2 1 2 ...
Page 24: ...English 18 3 ...
Page 26: ...English 20 Installing the AM4 Box Cooler SR3 1 2 ...
Page 27: ...B450M ac R2 0 21 English 3 4 ...
Page 28: ...English 22 5 C P U _ F A N 1 4 pin FAN cable ...
Page 78: ...English 72 4 4 8 AMD PBS The AMD PBS menu accesses AMD specific features ...