ASRock B450 Pro4 Quick Installation Guide - Page 28

Expansion Slots PCI Express Slots

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2.4 Expansion Slots (PCI Express Slots) There are 6 PCI Express slots on the motherboard. 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. 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 Ryzen Series CPUs (Pinnacle Ridge) Ryzen Series CPUs (Summit Ridge) Ryzen Series CPUs (Raven Ridge) PCIE2 x16 x16 x8 PCIE4 x4 x4 x4 English 26

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English
26
2.4
Expansion Slots (PCI Express Slots)
Tere 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 Confgurations
Before installing an expansion card, please make sure that the power supply is
switched o´ 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