Socket 3

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Socket 3 CPU socket
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Socket 3 CPU socket

Intel's Socket 3 was a type of CPU socket into which various x86 microprocessors were inserted. It was commonly found alongside a secondary socket designed for a math coprocessor chip, in this case the 487. Socket 3 resulted from Intel's creation of lower voltage microprocessors. An upgrade to Socket 2, it rearranged the pin layout and omitted one pin so that 3V processors could not be plugged into older 5V only sockets.

Socket 3 was a 237 pin LIF/ZIF PGA (19x19) socket suitable for the 3.3V and 5V, 25-50 MHz 486 SX, 486 DX, 486 DX2, 486 DX4, 486 OverDrive and Pentium OverDrive processors.

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