Socket M

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Socket M
Socket mPGA478MT Socket M.jpg
Type PGA-ZIF
Chip form factors Flip-chip pin grid array
Contacts 478 (not to be confused with the previous Socket 479)
FSB frequency 533 MT/s, 667 MT/s, 800MT/s
Processors
Intel Core Solo
T1200, T1250, T1300, T1350, T1400, T1500[1]
Intel Core Duo
T2050, T2250, T2300, T2300E, T2350, T2400, T2450, T2500, T2600, T2700[2]
Intel Core 2 Duo
T5200, T5300, T5500, T5600, T7200, T7400, T7600[3][4]
Intel Celeron M
Intel Celeron
1.66 GHz[5]

This article is part of the CPU socket series

Socket M (mPGA478MT) is a CPU interface introduced by Intel in 2006 for the Intel Core line of mobile processors.[6]

Technical specifications[edit]

Socket M is used in all Intel Core products, as well as the Core-derived Dual-Core Xeon codenamed Sossaman. It was also used in the first generation of the mobile version of Intel's Core 2 Duo, specifically, the T5x00 and T7x00 Merom lines (referred to as Napa Refresh), though that line switched to Socket P (Santa Rosa) in 2007. It typically uses the Intel 945PM/945GM chipsets which support up to 667 MHz FSB and the Intel PM965/GM965 which allows 800 MHz FSB support, though the Socket M, PM965/GM965 combination is less common. The "Sossaman" Xeons use the E7520 chipset.

Relation to other sockets[edit]

Socket M is pin-compatible with desktop socket mPGA478A but it is not electrically compatible.[7] Socket M is not pin-compatible with the older desktop Socket 478 (mPGA478B) or the newer mobile Socket P (mPGA478MN) by location of one pin; it is also incompatible with most[8] versions of the older mobile Socket 479. Pentium III-M processors designed for the first version of Socket 479 will physically fit into a Socket M, but are electrically incompatible with it.[9] Although conflicting information has been published, no 45 nm Penryn processors have been released for Socket M.

See also[edit]

References[edit]