ASROCK B150 Pro4/3.1, Руководство пользователя

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2.4 Expansion Slots (PCI Express Slots)
There are 6 PCI Express slots on the motherboard.
PCIe slots:
PCIE1 (PCIe 3.0 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 3.0 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 3.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIe Slot Configurations
For a better thermal environment, please connect a chassis fan to the motherboard’s chassis
fan connector (CHA_FAN1 or CHA_FAN2) when using multiple graphics cards.
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
Single Graphics Card
x16 N/A
Two Graphics Cards in
CrossFireX TM Mode
x8 x4