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PCIe Slot Configurations (For CPU with 28 PCIe lanes)
Single Graphics Card
Two Graphics Cards in
TM
TM
CrossFireX
or SLI
Mode
Three Graphics Cards in
TM
3-Way CrossFireX
Mode
TM
or 3-Way SLI
Mode
PCIe Slot Configurations (For CPU with 16 PCIe lanes)
Single Graphics Card
Two Graphics Cards in
TM
CrossFireX
Mode
For a better thermal environment, please connect a chassis fan to the motherboard's |
chassis fan connector (CHA_FAN1, CHA_FAN2 or CHA_FAN3) 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
PCIE3
x16
N/A
x16
N/A
x8
N/A
PCIE1
PCIE2
PCIE3
x16
N/A
x8
N/A
PCIE4
PCIE5
N/A
N/A
N/A
x8
N/A
N/A
x8
N/A
x8
PCIE4
PCIE5
N/A
N/A
N/A
x4
N/A
N/A
X299 Taichi
M2_1
x4
x4
x4
M2_1
x0
x4
21
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