Asus Z77-A - Manual (Page 33)

IRQ assignments for this motherboard
Component 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.
ASUS Z77-A 1-21