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VGA configuration
Single VGA/PCIe card
Dual VGA/PCIe cards
•
In single VGA card mode, use the PCIe 3.0 x16_1 slot (gray) for a PCI Express x16
graphics card to get better performance.
•
We recommend that you provide sufficient power when running CrossFireX™ mode.
•
Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 when
using multiple graphics cards for better thermal environment.
IRQ assignments for this motherboard
PCIEx16_1
PCIEx16_2
PCIEx1_1
PCIEx1_2
Intel GBE LAN
USB 3.0 Controller
M.2 Socket
SATA Express
SATA Controller
HD Audio
ASUS H170M-PLUS
PCI Express operating mode
PCIe 3.0 x16_1 (gray)
x16 (Recommended for single VGA
card)
x16
A
B
C
shared
–
–
shared
–
–
–
–
shared
–
–
–
shared
–
–
shared
–
–
shared
–
–
shared
–
–
shared
–
–
shared
–
–
D
–
–
–
shared
–
–
–
–
–
–
PCIe 3.0 x16_2
N/A
x4
1-11
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