Asus Crosshair V Formula ThunderBolt - Page 43

• In single VGA card mode, use rst the PCIe 2.0 x16_1 slot or PCIe 2.0 x16/
x8_3 slot 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/
x8_3 slots for PCI Express x16 graphics cards to get better performance.
• Use the PCIe x16_1, PCIe x8/x1_2, and PCIe x16/x8_3 slots for 3-Way SLI
or CrossFireX™ mode.
• If you install a PCIe x16 graphics card on to the PCIe x16_1 slot, a PCIe
device with a bandwidth faster than x8 link to the PCIe x16/x8_3 slot, and a
PCIe device with a bandwidth slower than x4 link to the PCIe x8/x1_2 slot,
the three PCIe x16 slots will work at x16, x16, x1 link as the default.
• If you install a PCIe x16 graphics card on to the PCIe x16_1 slot, a PCIe
device with a bandwidth slower than x8 link to the PCIe x16/x8_3 slot, and
a PCIe device with a bandwidth faster than x4 link to the PCIe x8/x1_2 slot,
the three PCIe x16 slots will work at x16, x8, x8 link as the default.
• You may manually reassign the link width of PCIe x8/x1_2 and PCIe x16/
x8_3 slots in BIOS settings. See page 3-18 for details.
• We recommend that you provide sufcient power when running
CrossFireX™ or SLI™ mode.
• Connect a chassis fan to the motherboard connector labeled
CHA_FAN1/2/3 when using multiple graphics cards for better thermal
environment.
IRQ assignments for this motherboard
A B C D E F G H
Intel 82583V
– – – – – shared –
ASM1061
– – – – shared – – –
ASM1403 USB3.0_1
– – – shared – – – –
ASM1403 USB3.0_2
– – shared – – – – –
ASM1403 USB3.0_3
shared – – – – – – –
Onchip SATA Controller
– – – shared – – – –
Onchip USB_1
– – shared – – – – –
Onchip USB_2
– – shared – – – – –
Onchip Azaliz
shared – – – – – – –
PCI Slot
– – – – shared – – –
PCIE_X16_1
shared – – – – – – –
PCIE_X8/X1_2
– – – – shared – – –
PCIE_X16/X8_3
shared – – – – – –
PCIE_X4_4
shared – – – – – – –
PCIE_X1_1
– – – – – – – shared
ROG Crosshair V Formula
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