Asus PRIME X370-A User Guide - Page 15

IRQ assignments for this motherboard, For 7th Generation A-series / Athlon™ processors - drivers

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IRQ assignments for this motherboard • For 7th Generation A-series / Athlon™ processors A B C D E PCIEx16_1 - - - shared - PCIEx16_2 shared - - - - PCIEx1_1 shared - - - - PCIEx1_2 - - - shared - PCI1 shared - - - - PCI2 - shared - - - M.2 - - - shared - CPU USB 3.1 Gen 1 XHCI controller - - shared - - AMD Promonotry Chip XHCI controller shared - - - - SATA controller - - - shared - HD audio controller - - - - - Realtek LAN controller - - shared - - F G H - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - shared - - - - • For Ryzen™ processors A B C D E PCIEx16_1 - - - - - PCIEx16_2 shared - - - - PCIEx1_1 shared - - - - PCIEx1_2 - - - shared - PCI1 shared - - - - PCI2 - shared - - - M.2 shared - - - - CPU USB 3.1 Gen 1 XHCI controller - - - - - AMD Promonotry Chip XHCI controller shared - - - - SATA controller - shared - - - HD audio controller - - - shared - Realtek LAN controller - - shared - - F G H - shared - - - - - - - - - - - - - - - - - - - - - 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, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable. ASUS PRIME X370-A 1-7

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ASUS PRIME X370-A
1-7
A
B
C
D
E
F
G
H
PCIEx16_1
–
–
–
shared
–
–
–
–
PCIEx16_2
shared
–
–
–
–
–
–
–
PCIEx1_1
shared
–
–
–
–
–
–
–
PCIEx1_2
–
–
–
shared
–
–
–
–
PCI1
shared
–
–
–
–
–
–
–
PCI2
–
shared
–
–
–
–
–
–
M.2
–
–
–
shared
–
–
–
–
CPU USB 3.1 Gen 1 XHCI
controller
–
–
shared
–
–
–
–
–
AMD Promonotry Chip
XHCI controller
shared
–
–
–
–
–
–
–
SATA controller
–
–
–
shared
–
–
–
–
HD audio controller
–
–
–
–
–
–
shared
–
Realtek LAN controller
–
–
shared
–
–
–
–
–
IRQ assignments for this motherboard
•
For 7th Generation A-series / Athlon™ processors
A
B
C
D
E
F
G
H
PCIEx16_1
–
–
–
–
–
–
shared
–
PCIEx16_2
shared
–
–
–
–
–
–
–
PCIEx1_1
shared
–
–
–
–
–
–
–
PCIEx1_2
–
–
–
shared
–
–
–
–
PCI1
shared
–
–
–
–
–
–
–
PCI2
–
shared
–
–
–
–
–
–
M.2
shared
–
–
–
–
–
–
–
CPU USB 3.1 Gen 1 XHCI
controller
–
–
–
–
–
–
–
shared
AMD Promonotry Chip
XHCI controller
shared
–
–
–
–
–
–
–
SATA controller
–
shared
–
–
–
–
–
–
HD audio controller
–
–
–
shared
–
–
–
–
Realtek LAN controller
–
–
shared
–
–
–
–
–
•
For Ryzen™ processors
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.