Gigabyte B450 AORUS ELITE V2 User Manual page 20

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18) F_USB1/F_USB2 (USB 2.0/1.1 Headers)
The headers conform to USB 2.0/1.1 specification. Each USB header can provide two USB ports via an
optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer.
9
1
10
2
• Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB 2.0/1.1 header.
• Prior to installing the USB bracket, be sure to turn off your computer and unplug the power cord
from the power outlet to prevent damage to the USB bracket.
19) COMA (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
9
1
10
2
20) TPM (Trusted Platform Module Header)
You may connect a TPM (Trusted Platform Module) to this header.
19
20
S
Pin No. Definition
1
Power (5V)
2
Power (5V)
3
USB DX-
4
USB DY-
5
USB DX+
F_ U
Pin No. Definition
1
NDCD-
2
NSIN
3
NSOUT
4
NDTR-
5
GND
B_
Pin No. Definition
1
LCLK
1
2
GND
3
LFRAME
2
4
No Pin
5
LRESET
6
NC
7
LAD3
S
8
LAD2
9
VCC3
10
LAD1
- 20 -
B S S
3
Pin No. Definition
6
USB DY+
7
GND
8
GND
9
No Pin
10
NC
Pin No. Definition
6
NDSR-
7
NRTS-
8
NCTS-
9
NRI-
10
No Pin
B S S
1
Pin No. Definition
11
LAD0
12
GND
S
13
NC
14
NC
15
SB3V
16
SERIRQ
1 2 3
17
GND
18
NC
19
NC
20
NC
U
S
F_
_S
_ _
3

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