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2.4 Expansion Slots (PCI Express Slots)
There are 6 PCI Express slots on the motherboard.
PCIe slots:
PCIE1 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE2 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE3 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE4 (PCIe 3.0 x16 slot) is used for PCI Express x4 lane width graphics cards.*
PCIE5 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE6 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
* If M2_1 is occupied, PCIE4 will be disabled.
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.
PCIE2
PCIE4
Ryzen Series CPUs (Pinnacle Ridge)
x16
x4
Ryzen Series CPUs (Summit Ridge)
x16
x4
Ryzen Series CPUs (Raven Ridge)
x8
x4
Summary of Contents for B450 Pro4
Page 14: ...English 12 2 1 Installing the CPU Unplug all power cables before installing the CPU 2 1 ...
Page 15: ...B450 Pro4 13 English 3 ...
Page 17: ...B450 Pro4 15 English 3 4 C P U _ F A N 1 ...
Page 18: ...English 16 Installing the AM4 Box Cooler SR2 1 2 ...
Page 19: ...B450 Pro4 17 English 3 ...
Page 21: ...B450 Pro4 19 English Installing the AM4 Box Cooler SR3 1 2 ...
Page 22: ...English 20 3 4 ...