1989: PC Systems In The Mass Market - Sockets 1, 2 And 3

In 1989, Intel introduced the 486DX processor using Socket 1; it began with a clock frequency of 25 MHz, increasing in subsequent years to as much as 133 MHz. The 486 arguably began the PC boom in the early 90s. Against this backdrop, many users switched over from the home computer - such as the Commodore C64, Commodore Amiga or Atari ST - to the PC, which wasn't always that easy to do.

Incredibly expensive: the Intel 486 DX with 33 MHz was equipped with a mathematical co-processor.

New: the 486 DX-33 was clocked 1:1 with the bus clock

The DX series, shown here with 66 MHz, had a considerable advantage in speed compared to the SX processors. The "66" stands for 2x33 MHz bus clock. The socket is called Socket 2.

The last performance boost for Socket 2 and Intel's overdrive processor.

More power for Socket 2: For the required split voltage, a fixed voltage regulated is soldered to the ceramic carrier of the overdrive.