Asus Crosshair V Formula-Z - Manual (Page 38)

1-22 Chapter 1: Product introduction
Chapter 1
• We recommend that you provide sufficient power when running CrossFireX™ or SLI™
mode.
• Connect a chassis fan to the motherboard connector labeled CHA_FAN1-3 when
using multiple graphics cards for better thermal environment.
When the system is running with four VGA cards, ensure to connect the EZ PLUG_1/2 for
extra PCIe power supply.
VGA
configuration
PCI 2.0 operating mode
Single VGA SLI/CrossFireX™ 3-WAY SLI/CrossFireX™
PCIe_x16_1 x16 x16 x16
PCIe_x8_2 – – x8
PCIe_x16/x8_3 – x16 x8
IRQ assignments for this motherboard
A B C D E F G H
Intel 82583V – – – – – – shared –
ASM1061_1 – – – – shared – – –
ASM1061_2 – – – – – – – shared
ASM1042 USB3.0_1 – – – shared – – – –
ASM1042 USB3.0_2 – – shared – – – – –
ASM1042 USB3.0_2 shared – – – – – – –
Onchip SATA Controller – – – shared – – – –
Onchip USB1 – shared – – – – – –
Onchip USB2 – – – – – shared – –
Onchip USB3 – – – – – – – shared
Onchip Azaliz shared – – – – – – –
PCIE_X16_1 shared – – – – – – –
PCIE_X8_2 – – – – shared – – –
PCIE_X16/X8_3 shared – – – – – – –
PCIE_X4_4 shared – – – – – – –
PCIEX1_1 – – – – shared – – –
PCIEX1_2 – – – – – shared – –