Gigabyte Z490 AORUS ELITE AC User Manual page 22

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F_USB3 F
16) SPI_TPM (Trusted Platform Module Header)
_ _B
You may connect an SPI TPM (Trusted Platform Module) to this header.
_ _B _
17) THB_C1/THB_C2 (Thunderbolt
The connectors are used to connect to a GIGABYTE Thunderbolt™ add-in card.
S F_
B
B_
B
18) BAT (Battery)
The battery provides power to keep the values (such as BIOS configurations, date, and time information)
F_USB3
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.
3 F_USB30 3
F_USB3 F
B
_
S _
11 1
12 2
S F_
B_
1
THB_C2
1
THB_C1
F_USB30 3
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
3. Replace the battery.
4. Plug in the power cord and restart your computer.
• 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.
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S _
Pin No. Definition Pin No. Definition
1 Data Output
2 Power (3.3V)
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3 No Pin
4 10
NC
5 Data Input 11
6 CLK 12
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Add-in Card Connectors)
™
Supports a Thunderbolt
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a metal object like a screwdriver to touch the positive and negative terminals of the
battery holder, making them short for 5 seconds.)
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F
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7 Chip Select
8 GND
9 IRQ
NC
NC
_ 0 F
RST
F
add-in card.
™
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