X86 cpus' Guide

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Processor of the day

sz977_pcpu75.JPG
Intel Pentium 75

Most popular CPUs

Intel Core 2 Duo E8800 (ES)
Intel Core 2 Duo E6200 (ES)
Intel Core 2 Duo E7700
Intel Core 2 Duo E7800
Intel Pentium II 266 (0,35µ)

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Intel Core i7-3770
Intel Core i5-3470
Intel Core i5-6500
Intel Core i7-6700
Intel Core i7-2600

Most powerful CPUs
Desktop PCs
AMD : Ryzen Threadripper 3990X
Intel : Core i9-10980XE
Laptop PCs
AMD : Ryzen 9 4900H
Intel : Core i9-10980HK
Servers
AMD : EPYC 7H12
Intel : Xeon Platinium 9282

Other articles > X86 Sockets

Socket_1.jpg

Socket 1
Socket 1 was a 169 pin LIF/ZIF PGA (following a 17x17 matrix) socket, the second of a series of standard sockets created by Intel into which various x86 microprocessors were plugged.
It was an upgrade to Intel's first standard PGA socket and the first with an official designation.
Socket 1 was intended as a 486 upgrade socket, and added one extra pin to prevent upgrade chips from being inserted into the older socket.
Specifications
Type PGA
Connections 169 (17x17)
Pitch 2.54 mm
Bus protocol 486
FSB 16, 20, 25, 33, 40, 50 MHz
Voltage range 5V
Used for AMD 486, Cyrix 486, IBM 486, Intel 486, ST 486, Texas Instruments 486, UMC 486
Compatible with PQFP-196 -> PGA-168, CPGA-168, SQFP-208 -> PGA-168, CPGA-169




Last update : 11/11/2008