Gigabyte Z490M User Manual page 18

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_ U
_
B
F_USB3 F
13) SPI_TPM (Trusted Platform Module Header)
You may connect an SPI TPM (Trusted Platform Module) to this header.
_B
_
14) THB_C1/THB_C2 (Thunderbolt
The connectors are used to connect to a GIGABYTE Thunderbolt™ add-in card.
S F_
B_
15) COM (Serial Port Header)
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.
F_USB30 3
Pin No. Definition
S _
11
1
12
2
1
THB_C1
THB_C2
1
Pin No. Definition
9
1
10
2
F
_ 0
Pin No. Definition
1
Data Output
7
2
Power (3.3V)
8
_ F
3
No Pin
9
4
10
NC
5
Data Input
11
6
CLK
12
_ 0
F
Add-in Card Connectors)
Supports a Thunderbolt
_3
U
Pin No. Definition
1
NDCD-
6
2
NSIN
7
3
NSOUT
8
4
NDTR-
9
5
GND
10
- 18 -
Chip Select
GND
IRQ
NC
NC
RST
add-in card.
NDSR-
NRTS-
NCTS-
NRI-
No Pin

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