Gigabyte Z790M A ELITE AX ICE - Page 28

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Pin No. Denition
1
Data Output
2
Power (3.3V)
3
No Pin
4
NC
5
Data Input
6
CLK
7
Chip Select
8
GND
9
IRQ
10
NC
11
NC
12
RST
16) SPI_TPM (Trusted Platform Module Header)
You may connect an SPI TPM (Trusted Platform Module) to this header.
17) 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
1 NDCD-
2 NSIN
3 NSOUT
4 NDTR-
5 GND
6 NDSR-
7 NRTS-
8 NCTS-
9 NRI-
10 No Pin
12
11
2
1
F_USB30
F_U
B_ 
F_  F_ 

_
B
BS_
B
SB_
B
_S

S_
_
B
_U
_
B


 
S  
 
123
 
123
 
123
 
123
1
1
1
1
BSS
S
_S 
SSU
 
1 2 3  
 S3
BSSS

U
 __ 3
F_USB3F
S  _
S  _
S  _
SF


B_
B_
F
_0
S
S
_0F
_F
_
_
__B


U
S  _S
_
SF_
B 
USB0_B
B_
B_
F_USB3

F_USB303

_

_3U
S_
_S
SS_F 
_
_
F 
_SB
10
9
2
1