i2c-3 i2c NVIDIA GPU I2C adapter I2C adapter i2c-1 smbus SMBus PIIX4 adapter port 2 at 0b00 SMBus adapter i2c-6 i2c NVIDIA i2c adapter 5 at 2b:00.0 I2C adapter i2c-4 i2c NVIDIA i2c adapter 1 at 2b:00.0 I2C adapter i2c-2 smbus SMBus PIIX4 adapter port 1 at 0b20 SMBus adapter i2c-0 smbus SMBus PIIX4 adapter port 0 at 0b00 SMBus adapter i2c-7 i2c NVIDIA i2c adapter 6 at 2b:00.0 I2C adapter i2c-5 i2c NVIDIA i2c adapter 3 at 2b:00.0 I2C adapter