18) THB_C (Thunderbolt
™
Add-in Card Connector)
This connector is for a GIGABYTE Thunderbolt
™
add-in card.
Supports a Thunderbolt
™
add-in card.
20) CLR_CMOS (Clear CMOS Jumper)
Use this jumper to clear the BIOS configuration and reset the CMOS values to factory defaults. To clear
the CMOS values, use a metal object like a screwdriver to touch the two pins for a few seconds.
•
Always turn off your computer and unplug the power cord from the power outlet before clearing
the CMOS values.
•
After system restart, go to BIOS Setup to load factory defaults (select Load Optimized Defaults) or
manually configure the BIOS settings (refer to Chapter 2, "BIOS Setup," for BIOS configurations).
Open: Normal
Short: Clear CMOS Values
19) SPDIF_O (S/PDIF Out Header)
This header supports digital S/PDIF Out and connects a S/PDIF digital audio cable (provided by expansion
cards) for digital audio output from your motherboard to certain expansion cards like graphics cards and
sound cards. For example, some graphics cards may require you to use a S/PDIF digital audio cable for
digital audio output from your motherboard to your graphics card if you wish to connect an HDMI display
to the graphics card and have digital audio output from the HDMI display at the same time. For information
about connecting the S/PDIF digital audio cable, carefully read the manual for your expansion card.
Pin No.
Definition
1
SPDIFO
2
GND
1
F_USB30
F_U
B_
F_
F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
1 2 3
12
3
12
3
12
3
1
1
1
1
BSS
S
_S
SSU
1
2
3
S3
BSSS
U
__
3
F_USB3F
S
_
S
_
S
_
SF
B_
B_
F
_0
S
S
_0F
_F
_
_
__B
U
S
_S
_
USB0_B
B_
F_USB3
1
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