Smart Switches - ASROCK X79 Extreme3 User Manual

HDMI_SPDIF Header
(2-pin HDMI_SPDIF1)
(see p.12 No. 30)

2.14 Smart Switches

The motherboard has a smart switch: Clear CMOS switch.
Clear CMOS Switch
(CLRCBTN)
(see p.13 No. 16)
HDMI_SPDIF header, providing
SPDIF audio output to HDMI
VGA card, allows the system to
connect HDMI Digital TV/
projector/LCD devices. Please
connect the HDMI_SPDIF
connector of HDMI VGA card to
this header.
Clear CMOS Switch is a smart
switch, allowing users to quickly
clear the CMOS values.
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