<P> The main changes and additions in ATX12V 1.0 (released in February 2000) were: </P> <Ul> <Li> Increased the power on the 12 V rail (power on 5 V and 3.3 V rails remained mostly the same). </Li> <Li> An extra 4 - pin mini fit JR (Molex 39 - 01 - 2040), 12 - volt connector to power the CPU . </Li> </Ul> <Li> Increased the power on the 12 V rail (power on 5 V and 3.3 V rails remained mostly the same). </Li> <Li> An extra 4 - pin mini fit JR (Molex 39 - 01 - 2040), 12 - volt connector to power the CPU . </Li>

The pcie connectors on an atx version 2.2