Asus Z77 Computer Hardware User Manual


 
ASUS SABERTOOTH Z77
2-13
Chapter 2
In single VGA card mode, use the PCIe 3.0 x16_1 slot (beige) for a PCI Express x16
graphics card to get better performance.
In CrossFireX™ or SLI™ mode, use the PCIe 3.0 x16_1 and PCIe 3.0 x16_2 slots for
PCI Express x16 graphics cards to get better performance.
We recommend that you provide sufcient power when running CrossFireX™ or SLI™
mode. Refer to page 2-24 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 2-22 for details.
IRQ assignments for this motherboard
A B C D E F G H
PCIEX16_1 shared
PCIEX16_2 shared
PCIEX16_3 shared
PCIEX1_1 shared
PCIEX1_2 shared
PCIEX1_3 shared
Intel SATA shared
USB 2.0 #0 shared
USB 2.0 #1 shared
USB 3.0 shared
HD Audio shared
Intel LAN shared
ASM USB 3.0 shared
ASM1061 #0 shared
ASM1061 #1 shared
PCIe x16_3 conguration
PCIE x16_3
Conguration
PCI Express sharing mode
PCIE x16_3 PCIE x1_1 PCIE x1_2 PCIE x1_3
x1 mode x1 x1 x1 x1
x4 mode* x4 N/A N/A N/A
Refer to
3.5.6 Onboard Devices Conguration
for details.