1.6.5PCI Express x16 slots
This motherboard supports two PCI Express x16 graphics cards that comply with the PCI Express specifications.
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 |
•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
•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
| A | B | C | D | E | F | G | H |
PCIEx16_1 | – | – | shared | – | – | – | – | – |
PCIEx16_2 | shared | – | – | – | – | – | – | – |
PCIEx1_1 | shared | – | – | – | – | – | – | – |
PCI1 slot | – | – | – | – | shared | – | – | – |
Realtek LAN controller | – | shared | – | – | – | – | – | – |
HD audio | shared | – | – | – | – | – | – | – |
SATA controller | – | – | – | shared | – | – | – | – |
On Chip XHCI controller1 | – | – | shared | – | – | – | – | – |
On Chip XHCI controller2 | – | shared | – | – | – | – | – | – |
On Chip USB EHCI 1/2/3 | – | shared | – | – | – | – | – | – |
On Chip USB OHCI 1/2/3/4 | – | – | shared | – | – | – | – | – |
ASUS |