Asus P8H77-V - Manual (Page 39)

1.6.5 PCI Express 3.0/2.0 x16 slots
This motherboard has two PCI Express 3.0/2.0 x16 slot that supports PCI Express 3.0/2.0
x16 graphic cards complying with the PCI Express specifications.
VGA configuration
PCI Express operating mode
PCIe 3.0 x16_1
PCIe 2.0 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 3.0 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.
Refer to page 1-35 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 1-33 for
details.
• The PCIe 3.0 speed is supported by Intel ® 3rd generation Core™ processors.
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 – – – – – – –
Atheros 8161 shared – – – – – – –
PCIE x1_1 – – shared – – – – –
PCIE x1_2 – – – shared – – – –
PCI slot 1 – shared – – – – – –
PCI slot 2 – – shared – – – – –
PCI slot 3 – – – shared – – – –
ASUS P8H77-V 1-25