User Manual

18
English
1. For a better thermal environment, please connect a chassis fan to the mother-
boardโ€™s chassis fan connector (CHA_FAN1 or CHA_FAN2) when using multiple
graphics cards.
2. If PCIE2 slot or PCIE3 slot is occupied, the PCIe-type M.2 device on M2_1 socket
will run at Gen3 x2 (16 Gb/s).
2.4 Expansion Slots (PCI Express Slots)
๎€ere are 4 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 3.0 x1 slot) is used for PCI Express x1 lane width 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.
PCIe Slot Con๎€Ÿgurations
Before installing an expansion card, please make sure that the power supply is
switched o๎€œ 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 PCIE4
Single Graphics Card x16 N/A
Two Graphics Cards in
CrossFireX
TM
Mode
x16 x4