Irq Assignments For This Motherboard - Asus F2A85-M LE User Manual

VGA configuration
Single VGA/PCIe card
Dual VGA/PCIe card
• 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 1-24 for details.
• Connect a chassis fan to the motherboard connector labeled CHA_FAN when using
multiple graphics cards for better thermal environment.

IRQ assignments for this motherboard

PCIEx16_1
PCIEx16_2
PCIEx1_1
PCI1 slot
Realtek LAN controller
HD audio
SATA controller
OnChip XHCI controller1
OnChip XHCI controller2
OnChip USB EHCI 1/2/3
OnChip USB OHCI 1/2/3/4
ASUS F2A85-M LE
PCI Express operating mode
PCIe x16_1
x16 (Recommended for single VGA card)
x16
A B C
– – shared
shared – –
shared – –
– – –
– shared –
shared – –
– – –
– – shared
– shared –
– shared –
– – shared
PCIe x16_2
N/A
x4
D E F
– – –
– – –
– – –
– shared –
– – –
– – –
shared – –
– – –
– – –
– – –
– – –
G H
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
1-19