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PCIe Slot Configurations (For CPU with 44 PCIe lanes)
Single Graphics Card
Two Graphics Cards in
CrossFireX
TM
or SLI
Mode
Three Graphics Cards in
3-Way CrossFireX
TM
TM
or 3-Way SLI
Mode
If a M.2 PCI Express module is installed on M2_1, PCIE2 will be disabled.
PCIe Slot Configurations (For CPU with 28 PCIe lanes)
Single Graphics Card
Two Graphics Cards in
TM
CrossFireX
or SLI
Mode
If a M.2 PCI Express module is installed on M2_1, PCIE2 will be disabled.
For a better thermal environment, please connect a chassis fan to the motherboard's
chassis fan connector (CHA_FAN1/WP, CHA_FAN2/WP, CHA_FAN3/WP, CHA_FAN4/
WP or CHA_FAN5/WP) when using multiple graphics cards.
* If you install CPU with 44 or 28 lanes and encounter CrossFire issues, please
do the followings.
1. Enter UEFI by pressing <F2> or <Del> during system startup.
2. Select "Boot > CSM" from the menu.
3. Set "Launch Storage OpROM policy" to "UEFI only".
4. Press F10 to Save and Exit.
PCIE1
PCIE2
x16
TM
x16
Mode
x16
PCIE1
PCIE2
x16
TM
x16
PCIE3
PCIE4
N/A
N/A
N/A
N/A
x16
N/A
N/A
x16
N/A
PCIE3
PCIE4
N/A
N/A
N/A
N/A
x8
N/A
X299 Taichi CLX
PCIE5
N/A
N/A
x8
PCIE5
N/A
N/A
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