Asus P8P67 PRO User Manual page 33

• 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™ or SLI™ 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™ or SLI™
mode. Refer to page 2-25 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 2-23 for details.
PCI Express sharing mode
PCIEX16_3
configuration
PCIEX16_3
Auto Mode X1
X4
(Recommend
X4 Mode
for high speed
device)
X1 Mode X1
* Please refer to 3-20 for details.
IRQ assignments for this motherboard
PCIEx16_1
PCIEx16_2
PCIEx16_3
PCIEx1_1
PCIEx1_2/USB3_2
PCI_1
PCI_2
LAN_1
USB 2.0 Controller 1
USB 2.0 Controller 2
USB 3.0 Controller
SATA Controller
SATA 6G Controller (IO
Levelup disabled or set
to USB 3.0)
JMicron ATA Controller
1394 Controller
HD Audio
ASUS P8P67 PRO REV 3.1
PCIEX1_1 PCIEX1_2
X1 N/A
N/A N/A
X1 X1
A B C
shared – –
shared – –
– shared –
– – shared
– shared –
– – shared
– – –
– –
– – –
– – –
shared
– – shared
– – –
– – shared
– shared –
– – –
USB3_34
X1
N/A
N/A
D E F
– – –
– – –
– – –
– – –
– –
– – –
shared – –
– shared –
– – –
– – –
– – –
shared – –
– – –
– – –
– – –
ESATA &
PESATA
X1
N/A
X1
G H
– –
– –
– –
– –
– –
– –
– –
– –
– shared
– shared
– –
– –
– –
– –
shared –
2-15