IRQ assignments for this motherboard
PCIEx16_1
PCIEx16_2
PCIEx16_3
PCIEx16_4
PCIEx1_1
PCI1
VIA1394
USB3.0
LAN1 (82574)
LAN2 (82574)
SATA Controller 1
SATA Controller 2
USB 2.0 Controller 1
USB 2.0 Controller 2
HD Audio
2-22
A
B
C
shared
–
–
shared
–
–
–
–
shared
shared
–
–
shared
–
–
shared
–
–
–
–
–
shared
shared
–
–
–
shared
–
–
–
shared
–
–
–
shared
–
–
–
shared
–
–
–
shared
–
–
–
–
–
D
E
F
G
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
shared
Chapter 2: Hardware setup
H
–
–
–
–
–
–
–
–
–
–
–
–
shared
–
–