Asus P8H67-M EVO - Manual (Page 28)

2-12 Chapter 2: Hardware information
Chapter 2
VGA configuration
PCI Express operating mode
PCIe 2.0 x16_1 PCIe 2.0 x16_2
Single VGA/PCIe card
x16
(Recommend for single VGA)
x4
Dual VGA/PCIe card x16 x4
• In single VGA card mode, use the PCIe 2.0 x16_1 slot (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.
• We recommend that you provide sufficient power when running CrossFireX™ mode.
Refer to page 2-25 for details.
• Connect a chassis fan to the motherboard connector labeled CHA_FAN1 when using
multiple graphics cards for better thermal environment. See page 2-24 for details.
IRQ assignments for this motherboard
A B C D E F G H
HD audio – – – – – – shared –
SATA controller – – – – shared – – –
USB 3.0 controller shared – – – – – – –
USB 2.0 controller – – – – – – – shared
LAN_1 – shared – – – – – –
1394 controller – – – shared – – – –
Marvell ATA controller – – – shared – – – –
PCI slot – – shared – – – – –
PCIe x16_1 shared – – – – – – –
PCIe x16_2 – shared – – – – – –
PCIe x1_1 – – – shared – – – –