Asus PRIME X370-A Manual page 15

IRQ assignments for this motherboard
• For 7th Generation A-series / Athlon™ processors
PCIEx16_1
PCIEx16_2
PCIEx1_1
PCIEx1_2
PCI1
PCI2
M.2
CPU USB 3.1 Gen 1 XHCI
controller
AMD Promonotry Chip
XHCI controller
SATA controller
HD audio controller
Realtek LAN controller
• For Ryzen™ processors
PCIEx16_1
PCIEx16_2
PCIEx1_1
PCIEx1_2
PCI1
PCI2
M.2
CPU USB 3.1 Gen 1 XHCI
controller
AMD Promonotry Chip
XHCI controller
SATA controller
HD audio controller
Realtek LAN controller
When using PCI cards on shared slots, ensure that the drivers support "Share IRQ" or that
the cards do not need IRQ assignments. Otherwise, conflicts will arise between the two PCI
groups, making the system unstable and the card inoperable.
ASUS PRIME X370-A
A B C
– – –
shared – –
shared – –
– – –
shared – –
– shared –
– – –
– – shared
shared – –
– – –
– – –
– – shared
A B C
– – –
shared – –
shared – –
– – –
shared – –
– shared –
shared – –
– – –
shared – –
– shared –
– – –
– – shared
D E F
shared – –
– – –
– – –
shared – –
– – –
– – –
shared – –
– – –
– – –
shared – –
– – –
– – –
D E F
– – –
– – –
– – –
shared – –
– – –
– – –
– – –
– – –
– – –
– – –
shared – –
– – –
G H
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
shared –
– –
G H
shared –
– –
– –
– –
– –
– –
– –
– shared
– –
– –
– –
– –
1-7