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13) THB_C1/THB_C2 (Thunderbolt
The connectors are used to connect to a GIGABYTE Thunderbolt
THB_C2
1
1
THB_C1
If you want to install the Thunderbolt
PCIE Bifurcation Support to PCIE x8/x8 in BIOS Setup.
14) COMA/COMB (Serial Port Headers)
The COM header can provide one serial port via an optional COM port cable. For purchasing the optional
COM port cable, please contact the local dealer.
9
1
10
2
15) BAT (Battery)
The battery provides power to keep the values (such as BIOS configurations, date, and time information)
in the CMOS when the computer is turned off. Replace the battery when the battery voltage drops to a
low level, or the CMOS values may not be accurate or may be lost.
• Always turn off your computer and unplug the power cord before replacing the battery.
• Replace the battery with an equivalent one. Damage to your devices may occur if the battery
is replaced with an incorrect model.
• Contact the place of purchase or local dealer if you are not able to replace the battery by
yourself or uncertain about the battery model.
• When installing the battery, note the orientation of the positive side (+) and the negative side
(-) of the battery (the positive side should face up).
• Used batteries must be handled in accordance with local environmental regulations.
Add-in Card Connectors)
™
Supports a Thunderbolt
add-in card in the PCIEX8 slot, make sure to set Peripherals\
™
Pin No. Definition
1
NDCD-
2
NSIN
3
NSOUT
4
NDTR-
5
GND
You may clear the CMOS values by removing the battery:
1. Turn off your computer and unplug the power cord.
2. Gently remove the battery from the battery holder and wait for one minute. (Or use
a metal object like a screwdriver to touch the positive and negative terminals of the
battery holder, making them short for 5 seconds.)
3. Replace the battery.
4. Plug in the power cord and restart your computer.
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add-in card.
™
add-in card.
™
Pin No. Definition
6
NDSR-
7
NRTS-
8
NCTS-
9
NRI-
10
No Pin
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