i2c-0 smbus SMBus nForce2 adapter at 0600 SMBus adapter i2c-1 i2c NVIDIA i2c adapter 0 at 2:00.0 I2C adapter i2c-2 i2c NVIDIA i2c adapter 1 at 2:00.0 I2C adapter i2c-3 i2c NVIDIA i2c adapter 6 at 2:00.0 I2C adapter