Chapter 1 – Asus P8Z77-V LX2 User Manual
Page 31

ASUS P8Z77-V LX2
1-17
Chapter 1
Chapter 1
Chapter 1
Chapter 1
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
–
–
–
PCIEX16_1
shared
–
–
–
–
–
–
–
PCIEX16_2
shared
–
–
–
–
–
–
–
PCIEX1_1
–
–
shared
–
–
–
–
–
PCIEX1_2
–
–
–
shared
–
–
–
–
RTL8111F
shared
–
–
–
–
–
–
–
PCI Slot 1
–
shared
–
–
–
–
–
–
PCI Slot 2
–
–
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 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.