User Manual
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 – – – –
CPUUSB3.1Gen1XHCI
controller
– – shared – – – – –
AMDPromonotryChip
XHCIcontroller
shared – – – – – – –
SATAcontroller – – – shared – – – –
HDaudiocontroller – – – – – – shared –
RealtekLANcontroller – – shared – – – – –
IRQ assignments for this motherboard
• For7thGenerationA-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 – – – – – – –
CPUUSB3.1Gen1XHCI
controller
– – – – – – – shared
AMDPromonotryChip
XHCIcontroller
shared – – – – – – –
SATAcontroller – shared – – – – – –
HDaudiocontroller – – – shared – – – –
RealtekLANcontroller – – shared – – – – –
• ForRyzen™processors
WhenusingPCIcardsonsharedslots,ensurethatthedriverssupport“ShareIRQ”orthat
thecardsdonotneedIRQassignments.Otherwise,conictswillarisebetweenthetwoPCI
groups,makingthesystemunstableandthecardinoperable.