Filter
Top Products
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 – – – –
PCI1 – – – shared – – – –
PCI2 shared – – – – – – –
Realtek8111GRcontroller – – shared – – – – –
USB2.0controller1 – – – – – – – shared
USB2.0controller2 – – – – shared – – –
HDaudio – – – – – – shared –
SATAcontroller1 – – – shared – – – –
SATAcontroller2 – – – shared – – – –
XHCIcontroller – – – – – shared – –
1.5.6 PCI Express 3.0/2.0 x16 slot
ThismotherboardhasaPCIExpress3.0/2.0x16slotthatsupportsPCIExpress3.0/2.0x16
graphiccardscomplyingwiththePCIExpressspecications.
• InsingleVGAcardmode,usethePCIe3.0/2.0x16_1slot(gray)foraPCIExpress
x16graphicscardtogetbetterperformance.
• WerecommendthatyouprovidesufcientpowerwhenrunningCrossFireX™mode.
Seepage1-18fordetails.
• ConnectachassisfantothemotherboardconnectorlabeledCHA_FAN1/2when
usingmultiplegraphicscardsforbetterthermalenvironment.
VGA configuration
PCI Express operating mode
PCIe 3.0/2.0 x16_1 (gray) PCIe 2.0 x16_2
Single VGA/PCIe
card
x16(RecommendedforsingleVGA
card)
N/A
Dual VGA/PCIe
card
x16 x4