Asus PRIME B250M-K [12/26] Irq assignments for this motherboard

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Chapter 1: Product introduction

A B C D

HDAudio shared – – –

XHCIController shared – – –

SATAController shared – – –

RealtekLANController – – – shared

PCIEx16 shared – – –

PCIEx1_1 shared – – –

PCIEx1_2 – shared – –

M.2 shared – – –

• Werecommendthatyouconnectahigh-denitionfrontpanelaudiomoduletothis

connectortoavailofthemotherboard’shigh-denitionaudiocapability.

• Ifyouwanttoconnectahigh-denitionfrontpanelaudiomoduletothisconnector,

settheFrontPanelTypeitemintheBIOSsetupto[HDAudio].Ifyouwantto

connectanAC’97frontpanelaudiomoduletothisconnector,settheitemto

[AC97].Bydefault,thisconnectorissetto[HDAudio].

PCI Express 3.0/2.0 x1 slots

ThismotherboardsupportstwoPCIExpressx1networkcards,SCSIcards,and

othercardsthatcomplywiththePCIExpressspecications.

PCI Express 3.0/2.0 x16 slot

ThismotherboardhasaPCIExpress3.0/2.0x16slotthatsupportsPCIExpress

3.0/2.0x16graphiccardscomplyingwiththePCIExpressspecications.

M.2 socket 3

ThissocketallowsyoutoinstallanM.2(NGFF)SSDmodule.

•

ThissocketsupportsMKeyand2242/2260/2280

storagedevices.

• WhenadeviceinSATAmodeisinstalledontheM.2

socket,SATA_1portcannotbeused.

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

M.2(SOCKET3)