i2c-0 smbus SMBus PIIX4 adapter port 0 at 0b00 SMBus adapter i2c-1 smbus SMBus PIIX4 adapter port 2 at 0b00 SMBus adapter i2c-2 smbus SMBus PIIX4 adapter port 3 at 0b00 SMBus adapter i2c-3 smbus SMBus PIIX4 adapter port 4 at 0b00 SMBus adapter i2c-4 smbus SMBus PIIX4 adapter port 1 at 0b20 SMBus adapter