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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
PCI 1
PCI 2
Realtek 8111H LAN
HD Audio
SATA Controller
XHCI Controller
ASUS Z170-K
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
–
–
D
E
F
–
–
–
–
–
–
–
–
–
shared
–
–
–
–
–
shared
–
–
shared
–
–
–
–
–
–
–
–
–
–
–
PCIe 3.0 x16_2
(black, x4 mode)
N/A
x4
G
H
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
1-11
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