Irq Assignments For This Motherboard - Asus A88X PRO User Manual

• In single VGA card mode, use the PCIe 2.0 x16_1 slot (yellow) for a PCI Express x16
graphics card to get better performance.
• In CrossFireX™ mode, use the PCIe 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_FAN1/2/3/4 when
using multiple graphics cards for better thermal environment.

IRQ assignments for this motherboard

PCIE x16_1
PCIE x16_2
PCIE x16_3
PCIE x1_1
PCIE x1_2
PCI_1
PCI_2
LAN
ASMedia USB 3.0
controller
AMD FCH USB3.0
Controller_1
AMD FCH USB3.0
Controller_2
AMD FCH SATA
Controller
HD Audio
Onboard VGA Controller
2-18
A B C
– – shared
– – –
shared – –
shared – –
– – –
– – –
– – –
– – shared
– shared –
– – shared
– shared –
– – –
shared – –
– shared –
D E F
– – –
shared – –
– – –
– – –
shared – –
– shared –
– – shared
– – –
– – –
– – –
– – –
shared – –
– – –
– – –
Chapter 2: Hardware information
G H
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –