ASUS Z97-K
1-11
IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
PCIEx16_1
shared shared shared shared
–
–
–
–
PCIEx16_2
shared shared shared shared
–
–
–
–
PCIEx1_1
–
–
shared shared
–
–
–
–
PCIEx1_2
–
–
shared shared
–
–
–
–
PCI 1
–
–
–
shared
–
–
–
–
PCI 2
shared
–
–
–
–
–
–
–
Realtek 8111GR controller
–
–
shared
–
–
–
–
–
USB2.0 controller 1
–
–
–
–
–
–
–
shared
USB2.0 controller 2
–
–
–
–
shared
–
–
–
HD audio
–
–
–
–
–
–
shared
–
SATA controller 1
–
–
–
shared
–
–
–
–
SATA controller 2
–
–
–
shared
–
–
–
–
XHCI controller
–
–
–
–
–
shared
–
–
1.5.6
PCI Express 3.0/2.0 x16 slot
This motherboard has a PCI Express 3.0/2.0 x16 slot that supports PCI Express 3.0/2.0 x16
graphic cards complying with the PCI Express specifications.
•
In single VGA card mode, use the PCIe 3.0/2.0 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.
See page 1-18 for details.
•
Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 when
using multiple graphics cards for better thermal environment.
VGA configuration
PCI Express operating mode
PCIe 3.0/2.0 x16_1 (gray)
PCIe 2.0 x16_2
Single VGA/PCIe
card
x16 (Recommended for single VGA
card)
N/A
Dual VGA/PCIe
card
x16
x4