User manual
ASUS H170-PRO
1-11
• InsingleVGAcardmode,usethePCIe3.0x16_1slot(gray)foraPCIExpressx16
graphics card to get better performance.
• WerecommendthatyouprovidesufcientpowerwhenrunningCrossFireX™mode.
• ConnectachassisfantothemotherboardconnectorlabeledCHA_FAN1/2when
usingmultiplegraphicscardsforbetterthermalenvironment.
VGA configuration
PCI Express operating mode
PCIe 3.0 x16_1 (gray)
PCIe 3.0 x16_2
(black, x4 mode)
Single VGA/PCIe card
x16(RecommendedforsingleVGA
card)
N/A
Dual VGA/PCIe cards
x16 x4
IRQ assignments for this motherboard
A B C D E F G H
PCIEx16_1 shared – – – – – – –
PCIEx16_2 shared – – – – – – –
PCIEx1_1 – – shared – – – – –
PCIEx1_2 – – – shared – – – –
PCI1 – – shared – – – – –
PCI2 – – – shared – – – –
Realtek8111HLAN – – – shared – – – –
HDAudio shared – – – – – – –
SATAController shared – – – – – – –
XHCIController shared – – – – – – –