ASROCK X470 Taichi, Manual

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X470 Taichi Ultimate
2.4 Expansion Slots (PCI Express Slots)
There are 5 PCI Express slots on the motherboard.
PCIe slots:
PCIE1 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE2 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE3 (PCIe 3.0 x16 slot) is used for PCI Express x8 lane width graphics cards.
PCIE4 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE5 (PCIe 2.0 x16 slot) is used for PCI Express x4 lane width graphics cards.
* If PCIE5 slot is occupied, M2_2 will be disabled.
PCIe Slot Configurations
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.
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.
PCIE1 PCIE3
Single Graphics Card
x16 N/A
Two Graphics Cards in
CrossFireX
TM
or SLI
TM
Mode
x8 x8