ASROCK B660M Pro RS, Руководство пользователя

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2.4 Expansion Slots (PCIe Slots)
There are 3 PCIe slots on the motherboard.
PCIe slots:
PCIE1 (PCIe 4.0 x16 slot) is used for PCIe x16 lane width graphics cards.
PCIE2 (PCIe 3.0 x1 slot) is used for PCIe x1 lane width cards.
PCIE3 (PCIe 3.0 x16 slot) is used for PCIe x4 lane width 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.
PCIe Slot Configurations
PCIE1 PCIE3
Single Graphics Card
Gen4x16 N/A
Two Graphics Cards in
CrossFire TM Mode
Gen4x16 Gen3x4
For a better thermal environment, please connect a chassis fan to the motherboard’s
chassis fan connector (CHA_FAN1/WP, CHA_FAN2/WP or CHA_FAN3/WP) when
using multiple graphics cards.