i2c-0 i2c NVIDIA i2c adapter 4 at 8:00.0 I2C adapter i2c-1 i2c NVIDIA i2c adapter 6 at 8:00.0 I2C adapter i2c-2 i2c NVIDIA i2c adapter 7 at 8:00.0 I2C adapter i2c-3 smbus saa7130[0] SMBus adapter