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ASUS X99-DELUXE Series
1-19
Chapter 1
6. Clear CMOS button (CLR_CMOS)
Press this button to clear the BIOS setup information only when the systems hangs
due to overclocking.
7. SLI/CFX switch
This switch allows you to determine the slots for 2-WAY or 3-WAY graphics card
installation. When enabled, the LEDs near the slots light up, telling you to install the
graphics cards to the specic slots.
• The LEDs below the SLI/CFX switch light up when the SLI/CFX switch is enabled.
Refer to section 1.2.8 Onboard LEDs for the exact location of the SLI/CFX LEDs.
• When using a 40-LANE CPU, the lighted LED for 3-WAY changes after adjusting the
bandwidth of the PCIe x16_5 slot in BIOS.