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2.4 Expansion Slots (PCI Express Slots)
There are 5 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.
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 x16 slot) is used for PCI Express x8 lane width graphics cards.
PCIE4 (PCIe 3.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE5 (PCIe 3.0 x16 slot) is used for PCI Express x4 lane width graphics cards.
PCIe Slot Configurations
Single Graphics Card
Two Graphics Cards in
CrossFireX
TM
or SLI
Mode
Three Graphics Cards in
TM
3-Way CrossFireX
For a better thermal environment, please connect a chassis fan to the motherboard's
chassis fan connector (CHA_FAN1~6/WP) when using multiple graphics cards.
PCIE1
x16
TM
x16
x16
Mode
PCIE3
PCIE5
N/A
N/A
x8
N/A
x8
x4
Z490 Taichi
21
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