• PCIe 3.0 support depends on the CPU type and requires a PCIe 3.0 VGA card.

•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 sufficient 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. See page 2-24 for details.

IRQ assignments for this motherboard

 

A

B

C

D

E

F

G

H

 

 

 

 

LAN

shared

–

–

–

–

–

–

–

 

 

Marvell 9172

–

–

shared

–

–

–

–

–

 

2

PCIE x16_1

shared

–

–

–

–

–

–

–

 

Chapter

PCIE x16_2

shared

–

–

–

–

–

–

–

 

PCIE x1_1

–

shared

–

–

–

–

–

–

 

 

PCIE x1_2

–

–

–

shared

–

–

–

–

 

 

Intel PCH SATA Controller

–

–

–

shared

–

–

–

–

 

 

HD Audio

–

–

–

–

–

–

shared

–

 

 

USB 2.0_1

–

–

–

–

–

–

–

shared

 

 

 

USB 2.0_2

–

–

–

–

–

–

–

shared

 

 

USB 3.0

shared

–

–

–

–

–

–

–

 

 

ASUS P8H77-M PRO

2-15