20) I2C (Inter-Integrated Circuit)
This header provides the I2C signals.
Pin No. Denition
1 I2C_SCL
2 I2C_SDA
3 GND
1
21) SMBUS (System Management Bus)
This header provides the SMBUS signals.
Pin No. Denition
1 SMB_CLK
2 SMB_DATA
3 GND
1
22) SPKR (Speaker Header)
This speaker header is connected to a L/R audio pins from the board to support the 3W (4ohm) stereo
speaker on your AIO chassis.
1
4
Pin No. Denition
1 Speaker OUT R-
2 Speaker OUT R+
3 Speaker OUT L-
4 Speaker OUT L+
- 21 -
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