Methods and apparatus relating to employing multiple I2C (Interface to Communicate) devices behind a microcontroller in a detachable platform are described. In an embodiment, first logic receives a first message via a serial single ended (such as an Interface to Communicate (I2C)) bus. The first logic generates a second message to be transmitted to second logic in response to a determination that the first message is not directed to an address space assigned to the first logic. The second message includes information from the first message. Other embodiments are also disclosed.