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2.4 Expansion Slots (PCI Express Slots)
There are 4 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 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE4 (PCIe 3.0 x16 slot) is used for PCI Express x4 lane width graphics cards.
* If you install CPU with 44 lanes, PCIE2/PCIE3/PCIE4 will run at x16/x16/x4.
* If you install CPU with 28 lanes, PCIE2/PCIE3/PCIE4 will run at x16/x8/x4.
* If you install CPU with 16 lanes, PCIE2/PCIE3/PCIE4 will run at x16/x0/x4 or x8/
x8/x4.
* If PCIE1 slot is occupied, M2_3 slot will be disabled.
PCIe Slot Configurations (For CPU with 44 PCIe lanes)
PCIE2
PCIE3
PCIE4
Single Graphics Card
x16
N/A
N/A
Two Graphics Cards in
CrossFireX
TM
or SLI
TM
Mode
x16
x16
N/A
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.