GIGA-BYTE TECHNOLOGY Z490 GAMING X AX - Page 21

14) THB_C1/THB_C2 (Thunderbolt
™
Add-in Card Connectors)
The connectors are used to connect to a GIGABYTE Thunderbolt
™
add-in card.
Supports a Thunderbolt
™
add-in card.
1
THB_C1
THB_C2
1
10
9
2
1
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.
Pin No. Denition Pin No. Denition
1 NDCD- 6 NDSR-
2 NSIN 7 NRTS-
3 NSOUT 8 NCTS-
4 NDTR- 9 NRI-
5 GND 10 No Pin
12
11
2
1
16) SPI_TPM (Trusted Platform Module Header)
You may connect an SPI TPM (Trusted Platform Module) to this header.
Pin No. Denition Pin No. Denition
1
DataOutput
7
Chip Select
2
Power (3.3V)
8
GND
3
No Pin
9
IRQ
4
NC
10
NC
5
DataInput
11
NC
6
CLK
12
RST
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