Socket M is a CPU socket for portable PCs introduced by Intel in 2006. It is the successor to Socket 479 and supports Core Solo, Core Duo, Celeron, and Pentium CPUs. It uses FCPGA and ZIF technology and has 478 pinholes arranged in rows. Intel phased it out in favor of Socket P in 2007.
Socket M is a processor, or central processing unit (CPU), socket that semiconductor maker Intel Corporation introduced in 2006 for its CPUs installed in portable personal computers (PCs). It is officially listed as mPGA478MT. Socket M is the immediate successor to Socket 479, which made its debut three years earlier. While both sockets look similar, Socket 479 gets its name from the 479 pinholes that house the processor, while Socket M has one fewer pinhole. Socket M, like other such components, is designed to mechanically and electrically connect the CPU with the PC motherboard for the purpose of data transmission and physical stability.
Dimensions of Intel’s Socket M include a width of 1.42 inches (3.6 centimeters) and a length of 1.73 inches (4.4 cm), with a square section in the center removed. Intel’s Socket M has its 478 pin holes arranged neatly in rows on a square-shaped piece of material, usually plastic, a design known as a pin grid array (PGA). It notably adopts a variant of the PGA called the flip-chip pin grid array (FCPGA), which involves the CPU die, the piece of semiconductor material that holds the chip’s processing units, or cores, facing up. This allows users to place a heat sink on the chip, thereby reducing heat and increasing its energy efficiency. Additionally, Socket M uses zero insertion force (ZIF) to apply an even force when placing or removing the CPU to avoid potential damage.
Originally, Intel made Socket M for the Core Solo and Core Duo processors of its Core brand, which supplanted Pentium as the leading computer chip family in January 2006. Core Solo and Core Duo are single- and dual-core mobile processors. cores respectively. This means that they are specially made CPUs for notebook PC application that have one or two cores.
April 2006 saw the release of the next compatible chips, the Mobile 400 series from Intel’s budget-conscious Celeron brand. The Core 2 Duo Mobile followed three months later, and Intel extended compatibility to the Celeron M 500 series and the dual-core version of the now mid-range Pentium brand the following year. Ultimately, Socket M supports CPUs from the aforementioned brands that have a processing speed of 2.33 gigahertz and a data transmission range of 533 to 800 megahertz (MHz), or 533 million to 800 million transfers per second (MT/s ). In 2007, Intel began phasing out Socket M in favor of the Intel Core 2-compatible Socket P, which, despite having the same number of pinholes, has a wider and higher data rate range.
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