Asus P8P67 User Manual page 29

• In single VGA card mode, use the PCIe 2.0 x16_1 slot (navy blue) 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.
Refer to page 2-26 for details.
• Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 when using
multiple graphics cards for better thermal environment. See page 2-25 for details.
PCI Express sharing mode
PCIEX16_2
configuration
PCIEX16_2
Auto Mode
x1
x4 (recommend for high
x4 Mode
speed device)
* Refer to Chapter 3 for details.
IRQ assignments for this motherboard
PCIEx16_1
PCIEx16_2
PCIEx1_1
PCIEx1_2
PCI_1
PCI_2
PCI 3
LAN_1
USB 2.0 Controller 1
USB 2.0 Controller 2
USB 3.0 Controller 1
USB 3.0 Controller 2
SATA Controller
SATA 6G Controller
Marvell ATA Controller
1394 Controller
HD Audio
ASUS P8P67
A B C
shared – –
shared – –
– – shared
– – –
– – shared
– – –
shared – –
– shared –
– – –
– – –
– shared –
shared – –
– – –
– – –
– – –
– shared –
– – –
PCIEX1_1 PCIEX1_2
x1 x1
N/A N/A
D E F
– – –
– – –
– – –
shared – –
– – –
shared – –
– – –
– – –
– – –
– – –
– – –
– – –
– shared –
– shared –
shared – –
– – –
– – –
USB3_34
x1
N/A
G H
– –
– –
– –
– –
– –
– –
– –
– –
– shared
– shared
– –
– –
– –
– –
– –
– –
shared –
2-13