I²C is the basis for the ACCESS.bus, the VESA Display Data Channel (DDC) interface, the System Management Bus (SMBus), Power Management Bus (PMBus) and the Intelligent Platform Management Bus (IPMB, one of the protocols of IPMI).
I²C ligger till grund för ACCESS.bus, VESA Display Data Channel (DDC), System Management Bus (SMBus), Power Management Bus (PMBus) och Intelligent Platform Management Bus (IPMB, ett av protokollen för IPMI).