Irq Assignments For This Motherboard - Asus H87M-PLUS User Manual

VGA configuration
Single VGA/PCIe card
Dual VGA/PCIe card
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IRQ assignments for this motherboard

PCIe x16_1
PCIe x16_2
Intel SATA Controller
Realtek LAN
Intel xHCI
Intel EHCI 1
Intel EHCI 2
HD Audio
1-12
PCIe Express operating mode
PCIe 3.0/2.0 x16_1
x16 (single VGA recommended)
x16
In single VGA card mode, use the PCIe 3.0/2.0 x16_1 slot (yellow) for a PCI Express
x16 graphics card 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.
A B
shared –
shared –
– –
– –
– –
– –
– –
– –
PCIe 2.0 x16_2
N/A
x4
C D E
– – –
– – –
– shared –
shared – –
– – –
– – –
– – shared
– – –
Chapter 1: Product introduction
F G H
– – –
– – –
– – –
– – –
shared – –
– – shared
– – –
– shared –