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Socket 370 (also known as the PGA370 socket) is a common format of CPU socket
CPU socket

A CPU socket or CPU slot is a connector on a computer's motherboard that accepts a central processing unit and forms an electrical interface with it....
 first used by Intel for Pentium III
Pentium III

The Pentium III brand refers to Intel's 32-bit x86 desktop and mobile microprocessors based on the sixth-generation Intel P6 microarchitecture introduced on February 26, 1999....
 and Celeron
Celeron

The Celeron brand is a range of x86 CPUs from Intel targeted at budget/value personal computers?with the motto, "delivering great quality at an exceptional value"....
 processors to replace the older Slot 1
Slot 1

Slot 1 refers to the physical and electrical specification for the connector used by some of Intel's microprocessors, including the Celeron, Pentium II and the Pentium III....
 CPU interface on personal computers. The "370" refers to the number of holes in the socket for CPU pins. Modern Socket 370 fittings are usually found on Mini-ITX
Mini-ITX

Mini-ITX is a 17 x 17 cm low-power motherboard form factor developed by VIA Technologies. Mini-ITX is slightly smaller than microATX. Mini-ITX boards can often be passively cooled due to their low Thermal Design Power, which makes them useful for home theater systems, where fan noise can detract from the cinema experience....
 motherboards and embedded system
Embedded system

An embedded system is a special-purpose computer system designed to perform one or a few dedicated functions, often with real-time computing constraints....
s.

Socket 370 was originally used for the Intel Celeron
Celeron

The Celeron brand is a range of x86 CPUs from Intel targeted at budget/value personal computers?with the motto, "delivering great quality at an exceptional value"....
, but later became the socket/platform for the Coppermine and Tualatin
Pentium III

The Pentium III brand refers to Intel's 32-bit x86 desktop and mobile microprocessors based on the sixth-generation Intel P6 microarchitecture introduced on February 26, 1999....
 Pentium III processors, as well as the Via-Cyrix Cyrix III
Cyrix III

Cyrix III is an x86-compatible Socket 370 central processing unit. VIA Technologies launched the processor in February 2000. VIA had recently purchased both Centaur Technology and Cyrix....
, later renamed the VIA C3
VIA C3

The VIA C3 is a family of x86 central processing units for personal computers designed by Centaur Technology and sold by VIA Technologies. The different CPU cores are built following the Centaur Technology#Design_methodology....
.






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Socket 370 (also known as the PGA370 socket) is a common format of CPU socket
CPU socket

A CPU socket or CPU slot is a connector on a computer's motherboard that accepts a central processing unit and forms an electrical interface with it....
 first used by Intel for Pentium III
Pentium III

The Pentium III brand refers to Intel's 32-bit x86 desktop and mobile microprocessors based on the sixth-generation Intel P6 microarchitecture introduced on February 26, 1999....
 and Celeron
Celeron

The Celeron brand is a range of x86 CPUs from Intel targeted at budget/value personal computers?with the motto, "delivering great quality at an exceptional value"....
 processors to replace the older Slot 1
Slot 1

Slot 1 refers to the physical and electrical specification for the connector used by some of Intel's microprocessors, including the Celeron, Pentium II and the Pentium III....
 CPU interface on personal computers. The "370" refers to the number of holes in the socket for CPU pins. Modern Socket 370 fittings are usually found on Mini-ITX
Mini-ITX

Mini-ITX is a 17 x 17 cm low-power motherboard form factor developed by VIA Technologies. Mini-ITX is slightly smaller than microATX. Mini-ITX boards can often be passively cooled due to their low Thermal Design Power, which makes them useful for home theater systems, where fan noise can detract from the cinema experience....
 motherboards and embedded system
Embedded system

An embedded system is a special-purpose computer system designed to perform one or a few dedicated functions, often with real-time computing constraints....
s.

Socket 370 was originally used for the Intel Celeron
Celeron

The Celeron brand is a range of x86 CPUs from Intel targeted at budget/value personal computers?with the motto, "delivering great quality at an exceptional value"....
, but later became the socket/platform for the Coppermine and Tualatin
Pentium III

The Pentium III brand refers to Intel's 32-bit x86 desktop and mobile microprocessors based on the sixth-generation Intel P6 microarchitecture introduced on February 26, 1999....
 Pentium III processors, as well as the Via-Cyrix Cyrix III
Cyrix III

Cyrix III is an x86-compatible Socket 370 central processing unit. VIA Technologies launched the processor in February 2000. VIA had recently purchased both Centaur Technology and Cyrix....
, later renamed the VIA C3
VIA C3

The VIA C3 is a family of x86 central processing units for personal computers designed by Centaur Technology and sold by VIA Technologies. The different CPU cores are built following the Centaur Technology#Design_methodology....
. Some motherboards that used Socket 370 support Intel processors in dual CPU configurations. Others allowed the use of a Socket 370 or Slot 1 CPU, although not at the same time.

Although not electrically compatible, the socket has also been used in several non-x86 computers. Sun Microsystems
Sun Microsystems

Sun Microsystems, Inc. is a multinational corporation vendor of computers, computer components, computer software, and information technology services, founded on February 24, 1982....
 used Socket 370 for several models of their UltraSPARC CPU, while Umax
Umax

UMAX Technologies is a manufacturer of computer products, including scanners, mouse, and flash drives, based in Taiwan. UMAX was formerly a maker of Macintosh clones, using the SuperMac brand name outside of Europe....
 repackaged the PowerPC
PowerPC

PowerPC is a RISC instruction set architecture created by the 1991 Apple Inc.?IBM?Motorola alliance, known as AIM alliance. Originally intended for personal computers, PowerPC CPUs have since become popular embedded system and high-performance processors....
 603e in Socket 370 for some of their Macintosh clones
Macintosh clone

A Macintosh clone is a personal computer made by a manufacturer other than Apple Inc., using Macintosh Firmwares and system software....
.

The weight of a Socket 370 CPU cooler should not exceed 180 grams (6.3 ounces). Heavier coolers may result in damage to the die when the system is not properly handled.

This platform is not wholly obsolete, but its use is today limited to the above specialty applications, having been superseded by Socket 423
Socket 423

Socket 423 was a CPU socket used for the first Pentium 4 Central processing unit, based on the Willamette core. The socket was short-lived, as it became apparent that its electrical design proved inadequate for raising clock speed beyond 2.0 GHz....
/478
Socket 478

In computing, Socket 478 is a type of CPU socket used for Intel's Pentium 4 and Celeron series Central processing unit. Socket 478 was phased out with the launch of Socket T....
/775
Socket T

LGA 775, also known as Socket T, is an Intel desktop CPU socket. LGA stands for Land Grid Array. The word "socket" is a misnomer, because an LGA 775 motherboard has no socket holes; instead, it has 775 protruding pins which touch contact points on the underside of the processor ....
 (for Pentium 4
Pentium 4

The Pentium 4 brand refers to Intel's line of single-core mainstream Desktop computer and laptop central processing units introduced on November 20, 2000 ....
 and Core 2
Intel Core 2

The Core 2 brand refers to a range of Intel's consumer 64-bit single- and dual-core and 2x2 Multi-Chip Module quad-core CPUs with the x86-64 instruction set, based on the Intel Core microarchitecture, derived from the 32-bit dual-core Intel Core laptop processor....
 processors). Via is at present still producing Socket 370 processors but committed to migrating their processor line to ball grid array
Ball grid array

A ball grid array is a type of surface-mount packaging used for integrated circuits....
 packages.

Socket 370 Intel processors mechanical load limits

Most Intel Socket 370 processors (Pentium III and Celeron) have the following mechanical maximum load limits which should not be exceeded during heat sink assembly, shipping conditions, or standard use. Load above those limits will crack the processor die and make it unusable.
Location Dynamic Static
Die Surface 890 N
Newton

The newton is the International System of Units SI derived unit of force, named after Isaac Newton in recognition of his work on classical mechanics....
 (200 lbf
Pound-force

The pound-force or simply pound is a Units of measurement of force....
)		 222 N
Newton

The newton is the International System of Units SI derived unit of force, named after Isaac Newton in recognition of his work on classical mechanics....
 (50 lbf
Pound-force

The pound-force or simply pound is a Units of measurement of force....
)
Die Edge 667 N
Newton

The newton is the International System of Units SI derived unit of force, named after Isaac Newton in recognition of his work on classical mechanics....
 (100 lbf
Pound-force

The pound-force or simply pound is a Units of measurement of force....
)		 53 N
Newton

The newton is the International System of Units SI derived unit of force, named after Isaac Newton in recognition of his work on classical mechanics....
 (12 lbf
Pound-force

The pound-force or simply pound is a Units of measurement of force....
)
Those load limits are quite small compared to the load limits of Socket 478
Socket 478

In computing, Socket 478 is a type of CPU socket used for Intel's Pentium 4 and Celeron series Central processing unit. Socket 478 was phased out with the launch of Socket T....
 processors. Indeed they were so small that many users ended up with cracked processors while trying to remove or attach a heatsink to their processor. On the other hand, Socket A
Socket A

Socket A is the CPU socket used for AMD central processing unit ranging from the Athlon Thunderbird#Athlon Thunderbird .28T-Bird.29 to the Athlon#Athlon XP 3200+, and AMD budget processors including the Duron and Sempron....
 processors had even smaller load limits.

Socket 370 Intel processors with IHS mechanical load limits

All Intel Socket 370 processors with IHS (Pentium III and Celeron 1.13–1.4 GHz) have the following mechanical maximum load limits which should not be exceeded during heatsink assembly, shipping conditions, or standard use.Load above those limits will crack the processor die and make it unusable.
Location Dynamic Static
IHS Surface 890 N
Newton

The newton is the International System of Units SI derived unit of force, named after Isaac Newton in recognition of his work on classical mechanics....
 (200 lbf
Pound-force

The pound-force or simply pound is a Units of measurement of force....
)		 667 N
Newton

The newton is the International System of Units SI derived unit of force, named after Isaac Newton in recognition of his work on classical mechanics....
 (100 lbf
Pound-force

The pound-force or simply pound is a Units of measurement of force....
)
IHS Edge 556 N
Newton

The newton is the International System of Units SI derived unit of force, named after Isaac Newton in recognition of his work on classical mechanics....
 (125 lbf
Pound-force

The pound-force or simply pound is a Units of measurement of force....
)		 N/A
IHS Corner 334 N
Newton

The newton is the International System of Units SI derived unit of force, named after Isaac Newton in recognition of his work on classical mechanics....
 (75 lbf
Pound-force

The pound-force or simply pound is a Units of measurement of force....
)		 N/A


Support Socket 370 Intel processors chipset information


Intel

  • i440/450 chipset series
i440BX
Intel 440BX

The Intel 440BX, also known as the i440BX, is a chipset from Intel, supporting Pentium II, Pentium III, and Celeron processors. It was released on April 1998....
/EX/FX/GX/LX/MX/MX-100/ZX, i450GX/KX/NX
  • i8XX chipset series
i810/E/E2/L
Intel 810

The Intel i810 chipset was released by Intel in early 1999 as a platform for the Intel P6-based Socket 370 CPU series, including the Pentium III and Celeron processors....
, i815/E/EG/EP/G/P, i820E, i840


VIA

  • Apollo/Apollo Pro/Apollo Pro+
  • PRO133/PRO133A/Pro133T/PM133/PN133/PN133T/PL133/PL133T/PLE133/PLE133T
  • Pro266/PM266/Pro266T/PM266T/Pro266TD
  • CLE266/CN400


ALi

  • Aladdin Pro/ProII/TNT2/Pro 4/Pro 5/Pro 5T

ATi

  • S1-370-TL

OPTi

  • Discovery


SiS

  • SiS 5600
  • SiS 620, SiS 630/E/ET/S/ST, SiS 633/T, SiS 635/T


ULi

  • M1644T


External links