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TB1: Thunderbolt 3 Header (only for B250GT6)
This header allows user to add additional Thunderbolt ports on the PC front panel, and also
can be connected with a wide range of external peripherals.
JSPDIFOUT1: Digital Audio-out Connector
The connector is for connecting the S/PDIF output bracket.
F_AUDIO1: Front Panel Audio Header
This header allows user to connect the chassis-mount front panel audio I/O which supports HD
and AC'97 audio standards.
Note
» » When using the front audio jack and plug in the headset, the rear sound will be automatically
Disabled.
» It is recommended that you connect a high-definition front panel audio module to this connector to
avail of the motherboard's high definition audio capability.
» Please try to disable the "Front Panel Jack Detection" if you want to use an AC'97 front audio output
cable. The function can be found via O.S. Audio Utility.
B250GT6 & B250GT5 & H270GT5
Pin
Assignment
1
Force Power
2
NC
3
CIO Plug Event
4
I2C_MASTER_DATA
5
SLP_S3#
6
I2C_MATSTER_CLK
7
SLP_S5_S4#
8
PA_PPS_INT#
9
GND
10
GND
Pin
Assignment
1
+5V
2
SPDIF_OUT
3
Ground
HD Audio
AC'97
Pin
Assignment
Pin Assignment
1
Mic Left in
1
Mic In
2
Ground
2
Ground
3
Mic Right in
3
Mic Power
4
GPIO
4
Audio Power
5
Right line in
5
RT Line Out
6
Jack Sense
6
RT Line Out
7
Front Sense
7
Reserved
8
Key
8
Key
9
Left line in
9
LFT Line Out
10
Jack Sense
10
LFT Line Out
Chapter 2: Hardware installation | 17
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