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2.4 Expansion Slots (PCI and PCI Express Slots)
There are 2 PCI slots and 4 PCI Express slots on the motherboard.
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.
PCI slot:
The PCI1 and PCI2 are used to install expansion cards that have 32-bit PCI
interface.
PCIe slots:
PCIE1 (PCIe 2.0 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 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE4 (PCIe 2.0 x16 slot) is used for PCI Express x4 lane width graphics cards.
PCIe Slot Configurations
4
Single Graphics Card
Two Graphics Cards in
TM
CrossFireX
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.
Mode
PCIE2
PCIE4
x16
x16
B85 Pro4
N/A
x4
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