Summary of Sockets and Slots for Specific Processors

[ The PC Guide | Systems and Components Reference Guide | The Processor | Processor Physical Characteristics | Processor Sockets and Slots ]

Summary of Sockets and Slots for Specific Processors

The table below summarizes the main characteristics of the Intel socket and slot standards. Shown also are the main processors used with each socket, and the type of motherboard the socket is used on. Note that there are many different types of Pentium OverDrive processor, each geared specifically to the type of socket it is used in. To see full details of all the characteristics for any specific processor, look here.

Designation	# of Pins	Pin Rows	Voltage	Motherboard Generation	Supported Processors
Socket 1	169	3	5V	Fourth	80486DX, 80486SX, 80486DX2, 80486DX4 OverDrive
Socket 2	238	4	5V	Fourth	80486DX, 80486SX, 80486DX2, 80486DX4 OverDrive, Pentium OverDrive 63 and 83
Socket 3	237	4	5V / 3.3V	Fourth	80486DX, 80486SX, 80486DX2, 80486DX4, AMD 5x86, Cyrix 5x86, Pentium OverDrive 63 and 83
Socket 4	273	4	5V	Fifth (5V)	Pentium 60-66, Pentium OverDrive 120/133
Socket 5	320	5	3.3V	Fifth	Pentium 75-133 MHz, Pentium OverDrive 125-166, Pentium with MMX OverDrive 125-166
Socket 6	235	4	3.3V	Fourth	Not used
Socket 7	321	5	2.5- 3.3V	Fifth	Pentium 75-200 MHz, Pentium OverDrive, Pentium with MMX, Pentium with MMX OverDrive, 6x86, K5, K6, 6x86MX
Socket 8	387	5	3.1V / 3.3V	Sixth	Pentium Pro
Slot 1	242	n/a	2.8V / 3.3V	Sixth	Pentium II, Pentium Pro (with Socket 8 on daughtercard)

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