1.5.6PCI Express 3.0/2.0 x16 slot

This motherboard has a PCI Express 3.0/2.0 x16 slot that supports PCI Express 3.0/2.0 x16 graphic cards complying with the PCI Express specifications.

VGA configuration

Single VGA/PCIe card

Dual VGA/PCIe card

PCI Express operating mode

 

PCIe 3.0/2.0 x16_1 (gray)

PCIe 2.0 x16_2

 

 

x16 (Recommended for single VGA

N/A

card)

 

x16

x4

 

 

In single VGA card mode, use the PCIe 3.0/2.0 x16_1 slot (gray) for a PCI Express

x16 graphics card to get better performance.

We recommend that you provide sufficient power when running CrossFireX™ mode. See page 1-18 for details.

Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 when using multiple graphics cards for better thermal environment.

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

PCI 1

shared

PCI 2

shared

Realtek 8111GR controller

shared

USB2.0 controller 1

shared

USB2.0 controller 2

shared

HD audio

shared

SATA controller 1

shared

SATA controller 2

shared

XHCI controller

shared

ASUS Z97-K

1-11