Socket 370
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Socket 370 (also known as the PGA370 socket) is a
CPU socket In computer hardware, a CPU socket or CPU slot contains one or more mechanical components providing mechanical and electrical connections between a microprocessor and a printed circuit board (PCB). This allows for placing and replacing the centr ...
first used by
Intel Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California. It is the world's largest semiconductor chip manufacturer by revenue, and is one of the developers of the x86 seri ...
for
Pentium III The Pentium III (marketed as Intel Pentium III Processor, informally PIII or P3) brand refers to Intel's 32-bit x86 desktop and mobile CPUs based on the sixth-generation P6 microarchitecture introduced on February 28, 1999. The brand's initial p ...
and
Celeron Celeron is Intel's brand name for low-end IA-32 and x86-64 computer microprocessor models targeted at low-cost personal computers. Celeron processors are compatible with IA-32 IA-32 (short for "Intel Architecture, 32-bit", commonly called ...
processors to first complement and later replace the older
Slot 1 Slot 1 refers to the physical and electrical specification for the connector used by some of Intel's microprocessors, including the Pentium Pro, Celeron, Pentium II and the Pentium III. Both single and dual processor configurations were impleme ...
CPU interface on
personal computer A personal computer (PC) is a multi-purpose microcomputer whose size, capabilities, and price make it feasible for individual use. Personal computers are intended to be operated directly by an end user, rather than by a computer expert or tec ...
s. The "370" refers to the number of pin holes in the socket for CPU pins. Socket 370 was replaced by
Socket 423 Socket 423 is a 423-pin CPU socket used by the first generation of Pentium 4 processors, based on the Willamette core. It was replaced by Socket 478 in 2001. Technical specifications This socket houses any processor designed in the Socket 423 pac ...
in 2000.


Overview

Socket 370 started as a budget oriented platform for 66 MHz FSB PPGA Mendocino
Celeron Celeron is Intel's brand name for low-end IA-32 and x86-64 computer microprocessor models targeted at low-cost personal computers. Celeron processors are compatible with IA-32 IA-32 (short for "Intel Architecture, 32-bit", commonly called ...
CPUs in late 1998, as the move to on-die
L2 cache A CPU cache is a hardware cache used by the central processing unit (CPU) of a computer to reduce the average cost (time or energy) to access data from the main memory. A cache is a smaller, faster memory, located closer to a processor core, whic ...
removed the need for a
PCB PCB may refer to: Science and technology * Polychlorinated biphenyl, an organic chlorine compound, now recognized as an environmental toxin and classified as a persistent organic pollutant * Printed circuit board, a board used in electronics * ...
design as seen on Slot 1. From late 1999 to late 2000 it was Intel's main desktop socket for 100/133 MHz FSB Coppermine Pentium IIIs. In 2001, the Tualatin Pentium III processors brought changes to the infrastructure which required dedicated Tualatin-compatible motherboards; some manufacturers would indicate this with a blue (instead of white) socket. These late sockets were typically compatible with Coppermine processors, but not older Mendocino Celerons. Some
motherboard A motherboard (also called mainboard, main circuit board, mb, mboard, backplane board, base board, system board, logic board (only in Apple computers) or mobo) is the main printed circuit board (PCB) in general-purpose computers and other expand ...
s that used Socket 370 support
Intel Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California. It is the world's largest semiconductor chip manufacturer by revenue, and is one of the developers of the x86 seri ...
processors in dual CPU configurations (e. g. ABIT BP6). Others allowed the use of a Socket 370 or Slot 1 CPU, although not at the same time. The Via-Cyrix Cyrix III, later renamed the VIA C3, also used Socket 370. Slotkets are available that allows Socket 370 CPUs to be used on
Slot 1 Slot 1 refers to the physical and electrical specification for the connector used by some of Intel's microprocessors, including the Pentium Pro, Celeron, Pentium II and the Pentium III. Both single and dual processor configurations were impleme ...
based motherboards.


Socket 370 Intel processors mechanical load limits

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 improperly handled. Most Intel Socket 370 processors (Pentium III and Celeron) had mechanical maximum load limits which were designed not be exceeded during heat sink assembly, shipping conditions, or standard use. They came with a warning that load above those limits would crack the processor die and make it unusable. The limits are included in the table below.


Socket 370 Intel processors with integrated heat sink mechanical load limits

All Intel Socket 370 processors with integrated
heat sink A heat sink (also commonly spelled heatsink) is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium, often air or a liquid coolant, where it is dissipated away from the device, th ...
(Pentium III and Celeron 1.13–1.4 GHz) had mechanical maximum load limits which were designed not be exceeded during heat sink assembly, shipping conditions, or standard use. They came with a warning that load above those limits would crack the processor die and make it unusable. The limits are included in the table below.


See also

*
List of Intel microprocessors This generational list of Intel processors attempts to present all of Intel's processors from the pioneering 4-bit 4004 (1971) to the present high-end offerings. Concise technical data is given for each product. Latest 13th generation Cor ...


References


External links


Socket 370 (PGA370)
{{Commonscat Intel CPU sockets