Chapter 2 – Asus Sabertooth P67 User Manual
Page 29

ASUS SABERTOOTH P67
2-11
Chapter 2
•
In single VGA card mode, use the PCIe 2.0 x16_1 slot (beige) 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 2-22 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 2-20 for details.
IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
Intel PCH SATA
Controller #0
–
–
–
–
shared
–
–
–
Intel PCH SATA
Controller #1
–
–
–
–
shared
–
–
–
PCIE x16_1
shared
–
–
–
–
–
–
–
PCIE x16_2
shared
–
–
–
–
–
–
–
PCIE x1_1
shared
–
–
–
–
–
–
–
PCIE x1_2/USB3.0_2
–
shared
–
–
–
–
–
–
PCIE x1_3
–
–
shared
–
–
–
–
–
Intel LAN
–
shared
–
–
–
–
–
–
USB 2.0 Controller 1
–
–
–
–
–
–
–
shared
USB 2.0 Controller 2
–
–
–
–
–
–
–
shared
USB 3.0_1
shared
–
–
–
–
–
–
–
Marvell 9120
–
–
shared
–
–
–
–
JMB ATA Controller
–
–
shared
–
–
–
–
1394 Controller
–
shared
–
–
–
–
–
–
HD Audio
–
–
–
–
–
shared
–
PCI slot 1
–
–
shared
–
–
–
–
–
PCIe 2.0 x1_2
configuration
PCI Express sharing mode
PCIe 2.0 x1_2
USB3_34
U3 Mode
N/A
Enabled
X1 Mode
x1
Disabled
* Refer to page 3-20 for details.