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2-14 Chapter 2: Hardware information
Chapter 2
IRQ assignments for this motherboard
A B C D E F G H
IGD shared – – – – – – –
Audio Controller – – – – – – shared –
EHCI Controller – – – – – – – shared
XHCI Controller shared – – – – – – –
SATA Controller – – – shared – – – –
PCIE x16_1 shared – – – – – – –
PCIE x16_2
shared –
– –
–
– –
–
PCIE x1_1 – –
shared
– – – – –
PCIE x1_2 – –
shared
– – – –
RTL8111E/8111F (LAN)
shared
–
– –
–
– –
–
PCI Slot 1
– shared – –
– –
– –
PCI Slot 2 – – shared – – – – –
PCI Slot 3 –
– –
shared
–
– –
• In single VGA card mode, use the PCIe 3.0/2.0 x16_1 slot (blue) for a PCI Express x16
graphics card to get better performance.
• In CrossFireX™ mode, use the PCIe 3.0/2.0 x16_1 and PCIe 2.0 x16_2 slots for PCI
Express x16 graphics cards to get better performance.
• We recommend that you provide sufcient 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.