ASRock 970M Pro3 User Manual - Page 20

Expansion Slots PCI and PCI Express Slots

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2.4 Expansion Slots (PCI and PCI Express Slots) here is 1 PCI slot and 3 PCI Express slots on the motherboard. Before installing an expansion card, please make sure that the power supply is switched of 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. PCI slot: he PCI1 slot is used to install expansion cards that have 32-bit PCI interface. PCIe slots: PCIE1 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards. PCIE2 (PCIe 2.0 x16 slot) is used for PCI Express x16 lane width graphics cards. PCIE3 (PCIe 2.0 x16 slot) is used for PCI Express x4 lane width cards. PCIe Slot Conigurations Single Graphics Card PCIE2 x16 PCIE3 N/A Two Graphics Cards in CrossFireXTM Mode x16 x4 For a better thermal environment, please connect a chassis fan to the motherboard's chassis fan connector (CHA_FAN1) when using multiple graphics cards. English 16

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16
English
2.4
Expansion Slots (PCI and PCI Express Slots)
Here is 1 PCI slot and 3 PCI Express slots on the motherboard.
PCI slot:
He PCI1 slot is used to install expansion cards that have 32-bit PCI interface.
PCIe slots:
PCIE1 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE2 (PCIe 2.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE3 (PCIe 2.0 x16 slot) is used for PCI Express x4 lane width cards.
PCIe Slot Con±gurations
PCIE2
PCIE3
Single Graphics Card
x16
N/A
Two Graphics Cards in
CrossFireX
TM
Mode
x16
x4
For a better thermal environment, please connect a chassis fan to the motherboard’s
chassis fan connector (CHA_FAN1) when using multiple graphics cards.
Before installing an expansion card, please make sure that the power supply is
switched o³ 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.