Asus PRIME Q270M-C/CSM - IRQ Assignments for Motherboard; IRQ Sharing Table and Conflicts

ASUS PRIME Q270M-C
1-5
A B C D
HD Audio shared – – –
XHCI Controller shared – – –
SATA Controller shared – – –
LAN1 I219LM shared – – –
PCIEx16 shared – – –
PCIEx1_1 – – shared –
PCIEx1_2 – – – shared
PCI1 – shared – –
M.2_1 shared – – –
M.2_2 shared – – –
When using PCI cards on shared slots, ensure that the drivers support “Share IRQ” or that
the cards do not need IRQ assignments. Otherwise, conicts will arise between the two PCI
groups, making the system unstable and the card inoperable.
IRQ assignments for this motherboard