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Encyclopedia > CPU socket
The Socket 370 processor socket, a ZIF type PGA socket

A CPU socket or CPU slot is a connector on a computer's motherboard that accepts a CPU and forms an electrical interface with it. As of 2007, most desktop and server computers, particularly those based on the Intel x86 architecture, include socketed processors. Download high resolution version (1335x1371, 390 KB)A Socket 370. ... Download high resolution version (1335x1371, 390 KB)A Socket 370. ... Socket 370 is a common format of CPU socket first used by Intel for Celeron processors to replace the older Slot 1 CPU interface on personal computers. ... A large ZIF socket (socket A) ZIF is an acronym for zero insertion force, a concept used in the design of IC sockets, invented to avoid problems caused by applying force upon insertion and extraction. ... Package Diagram for 168-Pin PGA Embedded IntelDX2™ Processor The pin grid array or PGA is a type of packaging used for integrated circuits, particularly microprocessors. ... A motherboard is the central or primary circuit board making up a complex electronic system, such as a modern computer. ... CPU redirects here. ... 2007 is a common year starting on Monday of the Gregorian calendar. ... Desktop computer with several common peripherals (Monitor, keyboard, mouse, speakers, microphone and a printer) A desktop computer is a computer made for use on a desk in an office or home and is distinguished from portable computers such as laptops or PDAs. ... In information technology, a server is a computer system that provides services to other computing systems—called clients—over a network. ... Intel Corporation (NASDAQ: INTC, SEHK: 4335), founded in 1968 as Integrated Electronics Corporation, is an American multinational corporation that is best known for designing and manufacturing microprocessors and specialized integrated circuits. ... Intel Pentium 4 (Northwood version), one example out of a huge number of x86 implementations from Intel, AMD, and others. ...


Most CPU-sockets interfaces are based on the pin grid array (PGA) architecture, in which short, stiff pins on the underside of the processor package mate with holes in the socket. To minimize the risk of bent pins, zero insertion force (ZIF) sockets allow the processor to be inserted without any resistance, then grip the pins firmly to ensure a reliable contact after a lever is flipped. Package Diagram for 168-Pin PGA Embedded IntelDX2™ Processor The pin grid array or PGA is a type of packaging used for integrated circuits, particularly microprocessors. ... Integrated circuit showing memory blocks, logic and input/output pads around the periphery Microchips with a transparent window, showing the integrated circuit inside. ... A large ZIF socket (socket A) ZIF is an acronym for zero insertion force. ...


As of 2007, several current and upcoming socket designs use land grid array (LGA) technology instead. In this design, it is the socket which contains pins. The pins contact pads or lands on the bottom of the processor package. 2007 is a common year starting on Monday of the Gregorian calendar. ... The land grid array (LGA) is a physical interface for microprocessors of the Intel Pentium 4 family. ...


In the late 1990s, many x86 processors fit into slots, rather than sockets. CPU slots are single-edged connectors similar to expansion slots, into which a PCB holding a processor is inserted. Slotted CPU packages offered two advantages: L2 cache memory could be upgraded by installing an additional chip onto the processor PCB, and processor insertion and removal was often easier. However, slotted packages require longer traces between the CPU and chipset, and therefore became unsuitable as clock speeds passed 500 MHz. Slots were abandoned with the introduction of AMD's Socket A and Intel's Socket 370. Fitting an expansion card into a motherboard An expansion card in computing is a printed circuit board that can be inserted into an expansion slot of a computer motherboard to add additional functionality to a computer system. ... Part of a 1983 Sinclair ZX Spectrum computer board. ... This article is about the computer term. ... Integrated circuit of Atmel Diopsis 740 System on Chip showing memory blocks, logic and input/output pads around the periphery Microchips with a transparent window, showing the integrated circuit inside. ... On a printed circuit board, a signal trace is the printed circuit equivalent of a wire for carrying electrical signals. ... Diagram of a motherboard chipset A chipset is a group of integrated circuits, or chips, that are designed to work together, and are usually marketed as a single product. ... MegaHertz (MHz) is the name given to one million (106) Hertz, a measure of frequency. ... Socket A (also known as Socket 462) is the CPU socket used for AMD flagship processors ranging from the Athlon K7 to the Athlon XP 3200+, and AMD budget processors including the Duron and Sempron. ... Socket 370 is a common format of CPU socket first used by Intel for Celeron processors to replace the older Slot 1 CPU interface on personal computers. ...

Contents

List of sockets and slots

Many socket names containing three-digit numbers represent the number of pins on the processor or socket.


AMD Sockets

  • Super Socket 7 - AMD K6-2, AMD K6-III; Rise mP6.
  • Socket 563 - AMD low-power mobile Athlon XP-M (µ-PGA 563 contacts, mostly mobile parts).
  • Socket 754 - AMD single-processor socket featuring single-channel DDR-SDRAM. Supports AMD Athlon 64, Sempron, Turion 64 processors (PGA 754 contacts).
  • Socket 939 - AMD single-processor socket featuring dual-channel DDR-SDRAM. Supports Athlon 64, Athlon 64 FX to 1 GHz[1], Athlon 64 X2, Opteron 100-series processors (PGA 939 contacts). Superseded by Socket AM2 after about 2 years of launch.
  • Socket 940 - AMD single and multi-processor socket featuring DDR-SDRAM. Supports AMD Opteron[1] (2xx and 8xx Series), Athlon 64 FX processors (PGA 940 contacts).
  • Socket A (also known as "Socket 462") - AMD socket supporting Athlon, Duron, Athlon XP, Athlon XP-M, Athlon MP, and Sempron processors (PGA 462 contacts).
  • Socket AM2 - AMD single-processor socket featuring DDR2-SDRAM. Replaces Socket 754 and Socket 939[1] (PGA 940 contacts, some confused Socket AM2 with "Socket 940" for server processors). Supports Athlon 64, Athlon 64 X2, Athlon 64 FX and Opteron processors.
  • Socket AM2+ - Future AMD socket for single processor systems. Features support for DDR2 and HyperTransport 3 with separated power lanes. Planned to launch between mid 2007 and Q3 2007. Replaces Socket AM2 (PGA 940 contacts, electrically compatible with Socket AM2).
  • Socket AM3 - Future AMD socket for single processor systems. Features support for DDR3 and HyperTransport 3 with separated power lanes. Planned to launch mid 2008. Replaces Socket AM2+ with support for DDR3-SDRAM (PGA ? contacts).
  • Socket F (also known as "Socket 1207") - AMD multi-processor socket featuring DDR2-SDRAM. Supports AMD Opteron[1](2xxx and 8xxx Series) and Athlon 64 FX processors. Replaces Socket 940 (LGA 1207 contact).
  • Socket S1 - AMD socket for mobile platforms featuring DDR2-SDRAM. Replaces Socket 754 for mobile processors (PGA 638 contacts).
  • Future processor which is in development under the Fusion project codename, will employ Socket FM1, Socket FM2 and Socket FM3.

The Super Socket 7, also referred to as Super 7, is an extension of the Socket 7 ZIF socket specification. ... The K6-2 was an x86 microprocessor manufactured by AMD, available in speeds ranging from 266 to 550 MHz. ... K6-III+/450 The image above is proposed for deletion. ... The Rise mP6-PR266 microprocessor. ... The MP6 was a microprocessor designed by Rise Technologies to compete with Intels Pentium line of CPUs. ... A desktop motherboard with a mPGA563 socket. ... Advanced Micro Devices, Inc. ... Athlon is the brand name applied to a series of different x86 processors designed and manufactured by AMD. The original Athlon, or Athlon Classic, was the first seventh-generation x86 processor and, in a first, retained the initial performance lead it had over Intels competing processors for a significant... Socket 754 is a CPU socket originally developed by AMD to succeed its powerful Athlon XP platform (Socket 462, also referred to as Socket A). ... The Athlon 64 is an eighth-generation, AMD64 architecture microprocessor produced by AMD, released on September 23, 2003. ... This does not cite any references or sources. ... For other uses, see Turion. ... Socket 939 was introduced by AMD in June 2004 to supersede the previous Socket 754 for Athlon 64 processors. ... Athlon 64 X2 Logo Athlon 64 X2 E6 3800+ The Athlon 64 X2 is the first dual-core desktop CPU manufactured by AMD. It is essentially a processor consisting of two Athlon 64 cores joined together on one die with additional control logic. ... The Opteron is AMDs x86 server processor line, and was the first processor to implement the AMD64 instruction set architecture (known generically as x86-64). ... Socket 940 is a 940-pin socket for 64-bit AMD server processors. ... The Opteron is AMDs x86 server processor line, and was the first processor to implement the AMD64 instruction set architecture (known generically as x86-64). ... Socket A (also known as Socket 462) is the CPU socket used for AMD flagship processors ranging from the Athlon K7 to the Athlon XP 3200+, and AMD budget processors including the Duron and Sempron. ... Athlon is the brand name applied to a series of different x86 processors designed and manufactured by AMD. The original Athlon, or Athlon Classic, was the first seventh-generation x86 processor and, in a first, retained the initial performance lead it had over Intels competing processors for a significant... The AMD Duron was an x86-compatible computer processor manufactured by AMD. It was released on June 19, 2000 as a low-cost alternative to AMDs own Athlon processor and the Pentium III and Celeron processor lines from rival Intel. ... This does not cite any references or sources. ... The Socket AM2, renamed from Socket M2 (to prevent using the same name as Cyrix MII processors), is a CPU socket designed by AMD for desktop processors, including the performance, mainstream and value segments. ... This article or section does not adequately cite its references or sources. ... HyperTransport logo HyperTransport (HT), formerly known as Lightning Data Transport (LDT), is a bidirectional serial/parallel high-bandwidth, low-latency point to point link that was introduced on April 2, 2001. ... The Socket AM3, is a CPU socket designed by AMD for desktop processors, including the performance, mainstream and value segments. ... HyperTransport logo HyperTransport (HT), formerly known as Lightning Data Transport (LDT), is a bidirectional serial/parallel high-bandwidth, low-latency point to point link that was introduced on April 2, 2001. ... This article or section does not cite any references or sources. ... The Opteron is AMDs x86 server processor line, and was the first processor to implement the AMD64 instruction set architecture (known generically as x86-64). ... The land grid array (LGA) is a physical interface for microprocessors of the Intel Pentium 4 family. ... Socket S1 is the new type of CPU socket predicted to be used by AMD for their new Turion and Athlon 64 Mobile processors. ... AMD Fusion is the codename for a future next-generation microprocessor design and the product of the merger between AMD and ATI, combining general processor execution as well as 3D geometry processing and other functions of todays GPUs into a single package. ...

Intel Sockets

ICs in DIP14-Package Several PDIPs and CERDIPS. The large CERDIP in the foreground is an 8080 processor. ... The 8086[1] is a 16-bit microprocessor chip designed by Intel in 1978, which gave rise to the x86 architecture. ... The Intel 8088 is an Intel microprocessor based on the 8086, with 16-bit registers and an 8-bit external data bus. ... PLCC stands for Plastic Leaded Chip Carrier. ... An Intel 80186 Microprocessor The 80186 architecture. ... AMD 80286 at 12 MHz. ... The Intel386[1] is a microprocessor which was used as the central processing unit (CPU) of many personal computers from 1986 until 2007. ... Socket 1 was the second of a series of standard sockets created by Intel into which various x86 microprocessors were plugged. ... The Intel486[1] brand refers to Intels family of i486 (incl. ... Socket 2 was one of the series of standard sockets into which various x86 microprocessors were plugged. ... Intels Socket 3 was a type of CPU socket into which various x86 microprocessors were inserted. ... Josephson junction array chip developed by NIST as a standard volt. ... Pentium 60 MHz on a socket 4 Categories: | ... Intel Corporation (NASDAQ: INTC, SEHK: 4335), founded in 1968 as Integrated Electronics Corporation, is an American multinational corporation that is best known for designing and manufacturing microprocessors and specialized integrated circuits. ... This article does not cite any references or sources. ... This article is about the SI unit of frequency. ... Socket 5 was created for the second generation of Intel Pentium processors operating at 75 MHz or higher. ... K5 core diagram AMD 5K86-P90 (SSA/5) AMD K5 PR166 The K5 was AMDs first in-house processor, developed to compete with Intels Pentium microprocessor range. ... IDT was founded in 1980 as a semiconductor vendor. ... The WinChip series was a a low-power Socket 7-based x86 processor designed by Centaur Technology and marketed by its parent company IDT. // The design of the WinChip was quite different from other processors of the time. ... Socket 6 was a 486-generation CPU socket, a slightly modified version of the commonplace Socket 3. ... Socket 7 is a physical and electrical specification for an x86-style CPU socket on a personal computer motherboard. ... History 1997 saw the arrival of AMDs K6 microprocessor. ... Socket 8 CPU socket was used exclusively with the Intel Pentium Pro and Pentium II OverDrive computer processors. ... The Pentium Pro is a sixth-generation x86 architecture microprocessor (P6 core) produced by Intel and was originally intended to replace the original Pentium in a full range of applications, but later, was reduced to a more narrow role as a server and high-end desktop chip. ... Socket 370 is a common format of CPU socket first used by Intel for Celeron processors to replace the older Slot 1 CPU interface on personal computers. ... Pentium III logo The Pentium III is an x86 (more precisely, an i686) architecture microprocessor by Intel, introduced on February 26, 1999. ... The Celeron brand refers to a range of Intels x86 CPUs for budget/value personal computers. ... Cyrix was a CPU manufacturer that began in 1988 in Richardson, TX as a specialist supplier of high-performance math co-processors for 286 and 386 systems. ... The VIA C3 is an x86 central processing unit for personal computers produced by VIA Technologies. ... Socket 423 was a CPU socket used for the first Pentium 4 processors, based on the Willamette core. ... The Pentium 4[1] brand refers to Intels single-core mainstream desktop and laptop CPUs introduced on November 20, 2000[2] (August 8, 2008 is the date of last shipments of Pentium 4s[3]). They had the 7th-generation architecture - called NetBurst - which was the companys first all... In computing, Socket 478 is a type of CPU socket used for Intels Pentium 4 and Celeron series CPUs. ... The Pentium 4[1] brand refers to Intels single-core mainstream desktop and laptop CPUs introduced on November 20, 2000[2] (August 8, 2008 is the date of last shipments of Pentium 4s[3]). They had the 7th-generation architecture - called NetBurst - which was the companys first all... The Celeron brand refers to a range of Intels x86 CPUs for budget/value personal computers. ... Introduced in March 2003, the Pentium M is an x86 architecture microprocessor designed and manufactured by Intel. ... This article does not cite any references or sources. ... Introduced in March 2003, the Pentium M is an x86 architecture microprocessor designed and manufactured by Intel. ... A notebook processor is a CPU optimized for notebook computers. ... This article or section does not cite any references or sources. ... Core 2 Duo brand logo Core 2 Extreme brand logo Core 2 is an eighth-generation x86 architecture microprocessor produced by Intel based on an all-new CPU architecture called the Intel Core Microarchitecture, which is the successor of NetBurst microarchitecture that has powered most Intel processors since 2000. ... It has been suggested that this article or section be merged into Intel Core. ... It has been suggested that this article or section be merged into Intel Core. ... 633MHz Celeron A Celeron is any of a large number of different budget x86 microprocessors produced by Intel and marketed as a budget/value CPU line. ... Pentium III logo The Pentium III is an x86 (more precisely, an i686) architecture microprocessor by Intel, introduced on February 26, 1999. ... This article or section does not cite any references or sources. ... Socket 603 is a motherboard socket for Intels Xeon processor. ... This article is about the Intel microprocessor. ... Socket 604 is a motherboard socket for Intels Xeon processor. ... 2007 Itanium logo Itanium is the brand name for 64-bit Intel microprocessors that implement the Intel Itanium architecture (formerly called IA-64). ... Itanium 2 logo The Itanium 2 is an IA-64 64-bit microprocessor developed jointly by Hewlett-Packard (HP) and Intel, and introduced on July 8, 2002. ... The Hewlett-Packard Company (NYSE: HPQ), commonly known as HP, is a very large, global company headquartered in Palo Alto, California, United States. ... PA-RISC is a microprocessor architecture developed by Hewlett-Packards Systems & VLSI Technology Operation. ... The Intel QuickPath Interconnect or simply QuickPath [1][2] (formerly Common System Interface or CSI in short) is a point-to-point processor interconnect being developed by Intel, as a competitor to HyperTransport. ... This article does not cite any references or sources. ... LGA 771, also known as Socket J, is a CPU interface introduced by Intel in 2006. ... This article is about the Intel microprocessor. ... Socket M (sometimes referred to as FCPGA6) is a CPU interface introduced by Intel in 2006 for the Intel Core line of mobile processors [1]. It is currently used in all Intel Core products, as well as the Core-derived Dual-Core Xeon codenamed Sossaman. It is also used in... This article is about the Intel mobile processor family. ... Core 2 Duo brand logo This article is about Intel processors branded as Intel Core 2. ... This article is about the Intel microprocessor. ... The Intel Socket P is the next processor socket replacement for the new Intel Core 2 Chips. ... This article does not cite any references or sources. ... Pentium D logo as of 2006. ... Pentium Extreme Edition brand logo // Smithfield Pentium Extreme Edition is the brand name given to a series of Intel microprocessors introduced during the 2nd Quarter 2005 Intel Developers Forum, not to be confused with the Pentium 4 Extreme Edition (an earlier, single-core processor occupying the same niche). ... The Core 2 brand refers to a range of Intels consumer 64-bit dual-core and MCM quad-core CPUs with the x86-64 instruction set, and based on the Intel Core microarchitecture, which derived from the 32-bit dual-core Yonah laptop processor. ... The Core 2 brand refers to a range of Intels consumer 64-bit dual-core and MCM quad-core CPUs with the x86-64 instruction set, and based on the Intel Core microarchitecture, which derived from the 32-bit dual-core Yonah laptop processor. ... The Core 2 brand refers to a range of Intels consumer 64-bit dual-core and MCM quad-core CPUs with the x86-64 instruction set, and based on the Intel Core microarchitecture, which derived from the 32-bit dual-core Yonah laptop processor. ...

Other sockets

A NexGen Nx586 processor NexGen was a private semiconductor company that designed x86 PC central processing units until it was purchased by AMD in 1996. ... A NexGen Nx586 processor NexGen was a private semiconductor company that designed x86 PC central processing units until it was purchased by AMD in 1996. ... DEC Alpha AXP 21064 Microprocessor die photo Package for DEC Alpha AXP 21064 Microprocessor Alpha AXP 21064 bare die mounted on a business card with some statistics The DEC Alpha, also known as the Alpha AXP, is a 64-bit RISC microprocessor originally developed and fabricated by Digital Equipment Corp...

Slots

Slot 1 refers to the physical and electrical specification for the connector used by some of Intels microprocessors, including the Celeron, Pentium II and the Pentium III. Slot 1 was a departure from the square ZIF PGA/SPGA sockets used for the Pentium and earlier processors. ... Intel Corporation (NASDAQ: INTC, SEHK: 4335), founded in 1968 as Integrated Electronics Corporation, is an American multinational corporation that is best known for designing and manufacturing microprocessors and specialized integrated circuits. ... The Celeron brand refers to a range of Intels x86 CPUs for budget/value personal computers. ... Intel Pentium II Logo The Pentium II is an x86 architecture microprocessor by Intel, introduced on May 7, 1997. ... Pentium III logo The Pentium III is an x86 (more precisely, an i686) architecture microprocessor by Intel, introduced on February 26, 1999. ... Slot 2 refers to the physical and electrical specification for the 330-lead edge-connector used by some of Intels microprocessors, including the Pentium II and Pentium III. Slot 2 is intended for use in high end multi-processor workstations and servers. ... This article is about the Intel microprocessor. ... Slot A refers to the physical and electrical specification for the edge-connector used by early versions of AMDs Athlon processor. ... Advanced Micro Devices, Inc. ... Athlon is the brand name applied to a series of different x86 processors designed and manufactured by AMD. The original Athlon, or Athlon Classic, was the first seventh-generation x86 processor and, in a first, retained the initial performance lead it had over Intels competing processors for a significant... The DEC logo Digital Equipment Corporation was a pioneering American company in the computer industry. ... DEC Alpha AXP 21064 Microprocessor die photo Package for DEC Alpha AXP 21064 Microprocessor Alpha AXP 21064 bare die mounted on a business card with some statistics The DEC Alpha, also known as the Alpha AXP, is a 64-bit RISC microprocessor originally developed and fabricated by Digital Equipment Corp... Slotket adapter In computer hardware terminology, slotkets, also known as slockets, (both short for slot to socket adapter) are adapters that allow socket based microprocessors to be used on slot based motherboards. ...

Notes and References

  1. ^ a b c d These sockets are for CPUs with integrated memory controllers. The 754 pin models have a single memory channel routed through the CPU pins. The 939 pin models have two memory channels, hence the higher pin count. The 940 pin CPUs also have two memory channels but they require registered memory, and most have support for SMP. Sockets F and AM2 are redesigned to support DDR2. The Socket F contains 1207 pins (Added pins speculated to be for more scalability and better power distribution). Socket AM2 has 940 pin-holes but does not support current AMD Opteron processors.
  2. ^ Intel 80186 12 MHz processor. (Swedish)
  3. ^ Przegląd rozwiązań sprzętowych platformy X86. (Polish)
  4. ^ a b c The 478 pin socket was introduced because it uses a micro-PGA layout which is physically smaller than the socket 423. Socket 775 was introduced with support for PCI express, DDR2 memory and Intel 64 (Intel's implementation of x86-64), but also moved to the new Land Grid Array physical layout, where the pins are in the socket rather than on the CPU package, for better electrical performance.
  5. ^ Fudzilla report, retrieved October 23, 2007

Symmetric multiprocessing, or SMP, is a multiprocessor computer architecture where two or more identical processors are connected to a single shared main memory. ... PCI Express (formerly known as 3GIO for 3rd Generation I/O, not to be mistaken with PCI-X) is an implementation of the PCI computer bus that uses existing PCI programming concepts and communications standards, but bases it on a much faster serial communications system. ... x86-64 is a 64-bit microprocessor architecture and corresponding instruction set; it is a superset of the Intel x86 architecture, which it natively supports. ... The land grid array (LGA) is a physical interface for microprocessors of the Intel Pentium 4 family. ...

See also

This generational and chronological list of Intel microprocessors attempts to present all of Intels processors from the pioneering 4-bit 4004 (1971) to the present high-end offerings, the 64-bit Itanium 2 (2002) and Intel Core 2 and Xeon 5100 and 7100 series processors (2006). ... This article gives a list of Advanced Micro Devices (AMD) microprocessors, sorted by generation and release year. ...

External links


  Results from FactBites:
 
CPU Sockets Chart (619 words)
Socket 7 and Socket 5 are very similar in appearance, but there are significant differences.
Socket 7 is defined as a superset of Socket 5, and can handle all the previous processors that worked in Socket 5.
The Slot A, Socket A, Socket 423, Socket 603, and Slot M chips all use a dual (2x) or quad-pumped (4x) bus that hits on the rising and falling edges of the clock, yielding a faster effective bus speed.
  More results at FactBites »

 
 

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