Irq assignments for this motherboard – Asus F2A85-V User Manual
Page 33

•
In single VGA card mode, use the PCIe 2.0 x16_1 slot (blue) for a PCI Express x16
graphics card to get better performance.
•
We recommend that you provide sufficient power when running CrossFireX™ mode.
See page 1-26 for details.
•
Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 when
using multiple graphics cards for better thermal environment.
VGA configuration
PCI Express operating mode
PCIe x16_1
PCIe x16_2
Single VGA/PCIe card
x16 (Recommended for single VGA card)
N/A
Dual VGA/PCIe card
x16
x4
IRQ assignments for this motherboard
A
B
C
D
E
F
G
PCIEx1_1
shared
–
–
–
–
–
–
PCIEx16_1
–
–
shared
–
–
–
–
PCIEx1_2
–
–
–
shared
–
–
–
PCIEx16_2
shared
–
–
–
–
–
–
Atheros 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
ASUS F2A85-V
1-21