Socket 7
Intel computer processor socket that had 321-pin (a few used 296-pin) holes in a 37 by 37 rows, ran between 2.5 and 3.5v, and was the first and last socket to support multiple processors from multiple manufacturer's. To the right, is an illustration of what this socket looks like.
Some of the processors the Socket 7 supported include the Intel Pentium 75MHz - 233MHz, AMD K5 - K6, Cyrix6x86 and Cyrix6x86MX P120-P233.
Also see: 80486, Processor definitions, Socket