Socket G1, also known as rPGA 988A, is a CPU socket introduced by

Intel Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California, Santa Clara, California. It is the world's largest semiconductor chip manufacturer by revenue, and is one of the devel ...

in 2009 for the mobile variants of the first-generation

Intel Core Intel Core is a line of streamlined midrange consumer, workstation and enthusiast computer central processing units (CPUs) marketed by Intel Corporation. These processors displaced the existing mid- to high-end Pentium processors at the time ...

processors. It is the successor to

Socket P The Intel Socket P (mPGA478MN) is the mobile processor socket replacement for Core microarchitecture chips such as Core 2 Duo. It launched on May 9, 2007, as part of the Santa Rosa platform with the Merom and Penryn processors. Technical s ...

, and the mobile counterpart to

LGA 1156 LGA 1156 (land grid array 1156), also known as Socket H or H1, is an Intel desktop CPU socket. Its incompatible successor is LGA 1155. The last processors supporting it ceased production in 2011. LGA 1156, along with LGA 1366, were designed ...

and LGA 1366.

History

The first CPUs for the Socket G1 platform were released on September 23, 2009, in the form of the i7-720QM, 820QM, and 920XM. These CPUs use the Clarksfield core, which maintained the same

45 nm Per the International Technology Roadmap for Semiconductors, the 45 nm process is a MOSFET technology node referring to the average half-pitch of a memory cell manufactured at around the 2007–2008 time frame. Matsushita and Intel started mass ...

manufacturing process as the desktop Nehalem architecture. On January 4, 2010, the range was expanded with Core i3, i5, and i7 processors using the

32 nm The 32 nm node is the step following the 45 nm process in CMOS (MOSFET) semiconductor device fabrication. "32-nanometre" refers to the average half-pitch (i.e., half the distance between identical features) of a memory cell at this technology le ...

Arrandale Arrandale is the code name for a family of mobile Intel processors, sold as mobile Intel Core i3, i5 and i7 as well as Celeron and Pentium. It is closely related to the desktop Clarkdale processor; both use dual-core dies based on the '' Westme ...

core and based on the Westmere architecture. On March 28, 2010, low-end Arrandale-based CPUs were released as the Pentium P6x00 series and Celeron P4x00 series. Further Clarksfield-based processors were released as the i7-740QM, 840QM, and 940XM on June 21, 2010. All Socket G1 processors have the

Intel HD Graphics Intel Graphics Technology (GT) is the collective name for a series of integrated graphics processors (IGPs) produced by Intel that are manufactured on the same package or die as the central processing unit (CPU). It was first introduced in 201 ...

Ironlake core packaged onto the CPU substrate.

Supported processors

;

Core i7 Dual-Core : i7-620M, i7-640M ;

Core i7 Quad-Core : i7-720QM, i7-740QM, i7-820QM, i7-840QM, i7-920XM, i7-940XM ;

Core i5 Dual-Core : i5-430M, i5-450M, i5-460M, i5-480M, i5-520M, i5-540M, i5-560M, i5-580M ;

Core i3 Dual-Core : i3-330M, i3-350M, i3-370M, i3-380M, i3-390M ;

Pentium Pentium is a brand used for a series of x86 architecture-compatible microprocessors produced by Intel. The original Pentium processor from which the brand took its name was first released on March 22, 1993. After that, the Pentium II and P ...

: P6000, P6100, P6200, P6300 ;

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 software. They typically offer less performance per clock speed comp ...

: P4500, P4600

Technical specifications

* Pins arranged in a 36 × 35 grid array * 18 × 15 size grid removed from the center * Utilization of cam actuated retention mechanism * The ''r'' in rPGA refers to ''"Reduced pitch"'' which is 1mm × 1mm in this socket design. * Socket G1 systems can only run in

dual-channel In the fields of digital electronics and computer hardware, multi-channel memory architecture is a technology that increases the data transfer rate between the DRAM memory and the memory controller by adding more channels of communication betwee ...

memory mode, compared to the

triple-channel In the fields of digital electronics and computer hardware, multi-channel memory architecture is a technology that increases the data transfer rate between the DRAM memory and the memory controller by adding more channels of communication betwe ...

mode of LGA 1366, as a result of the lower pin count.

References

External links

* http://www.molex.com/molex/products/family?key=rpga_989988_notebook_pc_cpu_sockets&channel=products&chanName=family&pageTitle=Introduction * http://www.designworldonline.com/articles/5444/154/Molex-Sockets-Earn-Intel--Validation.aspx
PGA988 Sockets at Intel.com
{{Intelsock Intel CPU sockets

History

Supported processors

Technical specifications

See also

References

External links