ASRock X299 Taichi User Manual - Page 27

PCIe Slot Configurations For CPU with 28 PCIe lanes, Single Graphics Card, Two Graphics Cards

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X299 Taichi PCIe Slot Configurations (For CPU with 28 PCIe lanes) PCIE1 PCIE2 PCIE3 PCIE4 Single Graphics Card x16 N/A N/A N/A PCIE5 N/A M2_1 x4 Two Graphics Cards in CrossFireXTM or SLITM Mode x16 N/A x8 N/A N/A x4 Three Graphics Cards in 3-Way CrossFireXTM Mode x8 N/A x8 N/A x8 x4 or 3-Way SLITM Mode PCIe Slot Configurations (For CPU with 16 PCIe lanes) PCIE1 PCIE2 PCIE3 PCIE4 Single Graphics Card x16 N/A N/A N/A PCIE5 N/A M2_1 x0 Two Graphics Cards in CrossFireXTM Mode x8 N/A x4 N/A N/A x4 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 or 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. 21 English

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English
21
X299 Taichi
PCIe Slot Configurations (For CPU with 28 PCIe lanes)
PCIe Slot Configurations (For CPU with 16 PCIe lanes)
PCIE1
PCIE2
PCIE3
PCIE4
PCIE5
M2_1
Single Graphics Card
x16
N/A
N/A
N/A
N/A
x4
Two Graphics Cards in
CrossFireX
TM
or SLI
TM
Mode
x16
N/A
x8
N/A
N/A
x4
°ree Graphics Cards in
3-Way CrossFireX
TM
Mode
or 3-Way SLI
TM
Mode
x8
N/A
x8
N/A
x8
x4
PCIE1
PCIE2
PCIE3
PCIE4
PCIE5
M2_1
Single Graphics Card
x16
N/A
N/A
N/A
N/A
x0
Two Graphics Cards in
CrossFireX
TM
Mode
x8
N/A
x4
N/A
N/A
x4
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.
S
et "Launch Storage OpROM policy" to "UEFI only".
4. Press F10 to Save and Exit.