Asus Z97-K Manual

A SERVICE OF

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ASUS Z97-K

1-11

IRQ assignments for this motherboard

A B C D E F G H

PCIEx16_1 shared shared shared shared – – – –

PCIEx16_2 shared shared shared shared – – – –

PCIEx1_1 – – shared shared – – – –

PCIEx1_2 – – shared shared – – – –

PCI1 – – – shared – – – –

PCI2 shared – – – – – – –

Realtek8111GRcontroller – – shared – – – – –

USB2.0controller1 – – – – – – – shared

USB2.0controller2 – – – – shared – – –

HDaudio – – – – – – shared –

SATAcontroller1 – – – shared – – – –

SATAcontroller2 – – – shared – – – –

XHCIcontroller – – – – – shared – –

1.5.6 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.

• InsingleVGAcardmode,usethePCIe3.0/2.0x16_1slot(gray)foraPCIExpress

x16graphicscardtogetbetterperformance.

• WerecommendthatyouprovidesufcientpowerwhenrunningCrossFireX™mode.

Seepage1-18fordetails.

• ConnectachassisfantothemotherboardconnectorlabeledCHA_FAN1/2when

usingmultiplegraphicscardsforbetterthermalenvironment.

VGA configuration

PCI Express operating mode

PCIe 3.0/2.0 x16_1 (gray) PCIe 2.0 x16_2

Single VGA/PCIe

card

x16(RecommendedforsingleVGA

card)

N/A

Dual VGA/PCIe

card

x16 x4