x86 processor socket definition hardware, standard
One of the series of standard sockets into which you can plug various x86 microprocessors
. These vary in the number of pins, package, voltages, bus speeds, and supported processors. Motherboards
often have clock multipliers so that the processor runs at a multiple of the bus speed.
Socket 1, 169 pin LIF
(17x17), 5v, 16-33 MHz 486 SX, 486 DX, 486 DX2, DX4 Overdrive. Socket 1 was the first standard Intel 486
Socket 2, 238 pin LIF/ZIF PGA (19x19), 5v, 25-50 MHz 486 SX, 486 DX, 486 DX2, 486 DX4, DX4 & Pentium Overdrive. Updated Socket 1, added support for Pentium Overdrive processors.
Socket 3, 237 pin LIF/ZIF PGA (19x19), 3.3/5v, 25-50 MHz 486 SX, 486 DX, 486 DX2, 486 DX4, DX4 & Pentium Overdrive. Supports 5V & 3.3V processors, considered the latest 486 socket.
Socket 4, 273 pin LIF/ZIF PGA (21x21), 5v, 60/66 MHz Pentium 60/66 and Pentium Overdrive, only 5v.
Socket 5, 296 pin LIF/ZIF, 320 pin LIF/ZIF SPGA
(19x19 or 37x37), 3.3v, 50/60/66 MHz Pentium 75 - 133MHz, Pentium Overdrive, only 3.3v.
Socket 6, 235 pin ZIF PGA (19x19), 3.3v, 25-40MHz. Unpopular advanced Socket 3, rarely seen / paper spec 486 DX4, Pentium Overdrive, only 3.3v.
See also Socket 7
, Socket 8
, Super 7
, Slot 1
, Slot 2
, Slot A
CPU Sockets chart (http://users.erols.com/chare/sockets.htm).
CPU Sockets (http://webm3308.ntx.net/cpusockets.htm).