User's Manual

Table Of Contents

1-6

Chapter 1: Product introduction

A B C D E F G

PCIEx1_1 shared – – – – – –

PCIEx16_1 – – shared – – – –

PCIEx1_2 – – – shared – – –

PCIEx16_2 shared – – – – – –

ASM1143 – – shared – – – –

RealtekLANcontroller – – shared – – – –

OnChipSATAcontroller – – – shared – – –

OnChipUSBOHCI1/2/3/4 – – shared – – – –

OnChipUSBEHCI1/2/3 – shared – – – – –

OnChipUSBXHCI1 – – shared – – – –

OnChipUSBXHCI2 – shared – – – – –

HDAudio shared – – – – – –

PCI_1 – – – – shared – –

PCI_2 – – – – – shared –

PCI_3 – – – – – – shared

IRQ assignments for this motherboard

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.

15. PCI Express 2.0 x1 slots

ThismotherboardhastwoPCIExpress2.0x1slotsthatsupportPCIExpressx1

networkcards,SCSIcards,andothercardsthatcomplywiththePCIExpress

specications.

• InsingleVGAcardmode,usethePCIe3.0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.

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

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