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ASUS X99-DELUXE Series
1-13
Chapter 1
• We recommend that you provide sufcient power when running CrossFireX™ or SLI™
mode.
• Connect a chassis fan to the motherboard connector labeled CHA_FAN1-4 when
using multiple graphics cards for better thermal environment.
• For a higher performance of the 3-Way conguration using the 40-LANE CPU, adjust
the bandwidth of the PCIe x16_5 slot to x8 mode in BIOS. Refer to Chapter 3 for more
information.
40-LANE CPU PCI Express 3.0 operating mode
VGA
configuration
PCIe 3.0/2.0
x16_1
PCIe 3.0/2.0
x16_2
PCIe 3.0/2.0
x16_3
PCIe 3.0/2.0
x16_4
PCIe 3.0/2.0
x16_5
Single VGA/
PCIe card
x16 (single
VGA
recommended)
N/A
x16 (single
VGA
recommended)
N/A N/A
Dual VGA/PCIe
cards
x16 N/A x16 N/A N/A
Triple VGA/
PCIe cards
x16 N/A x16 N/A x8
x8 x8 N/A x8 N/A
28-LANE CPU PCI Express 3.0 operating mode
VGA configuration PCIe 3.0/2.0 x16_1 PCIe 3.0/2.0 x16_2 PCIe 3.0/2.0 x16_4
Single VGA/PCIe card
x16 (single VGA
recommended)
N/A N/A
Dual VGA/PCIe cards x16 N/A x8
Triple VGA/PCIe cards x8 x8 x8