CPU socket

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In computer hardware, CPU or CPU socket consists of one or more mechanical components that provide mechanical and electrical connections between the microprocessor and printed circuit board (PCB). It is possible to place and replace the central processing unit (CPU) without soldering.

The public sockets have a retention clip that implements a constant force, which must be resolved when the device is inserted. For chips with a large number of pins, the zero insertion socket (ZIF) is preferred. Common sockets include Pin Grid Array (PGA) or Land Grid Array (LGA). This design applies the compression force after the handle (PGA type) or surface plate (LGA type) is mounted in place. This provides superior mechanical retention while avoiding the risk of pin bend when inserting the chip into the socket. Certain devices use Ball Grid Array (BGA) sockets, though this requires soldering and is generally not considered user-replaceable.

CPU sockets are used on motherboards on desktop computers and servers. Because they allow easy component replacement, they are also used to create new circuit prototypes. Laptops typically use a surface-mounted CPU, which takes up less space on the motherboard than the socketed portion.

Video CPU socket

Histori

In the past, dual socket in-line packages (DIPs) have been used for processors like the Motorola 68000. Other types used include PLCC and CLCC sockets.

Maps CPU socket

Function

CPU sockets are made of plastic, and are equipped with levers or hooks, and with metal contacts for each pin or landing on the CPU. Many packets are locked to ensure proper CPU insertion. CPU with PGA packet (pin grid array) inserted into socket and lock closed. The CPU with the LGA packet (land grid array) is inserted into the socket, the hook plate is reversed to the position above the CPU, and the lever is lowered and locked in place, pressing the CPU contacts firmly against the ground socket and ensuring a good connection, as well as increased mechanical stability.

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List of CPU sockets and slots

Legenda tabel:

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Slotkets

Slotkets are special adapters to use socket processors in bus-compatible slot motherboards.

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See also

• List of AMD microprocessors
• List of Intel microprocessors

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References

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External links

• Socket ID Guide
• CPU Socket Chart - List of fairly detailed tables x86 Sockets and related attributes.
• techPowerUp! CPU Database
• Processor socket

Source of the article : Wikipedia