Socket G1, also known as rPGA 988A, is a CPU socket introduced by
Intel in 2009 for the mobile variants of the first-generation
Intel Core processors.
It is the successor to
Socket P, and the mobile counterpart to
LGA 1156 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 (computing), memory cel ...
Arrandale 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 Ironlake core packaged onto the CPU substrate.
Supported processors
;
Intel Core i7 Dual-Core
: i7-620M, i7-640M
;
Intel Core i7 Quad-Core
: i7-720QM, i7-740QM, i7-820QM, i7-840QM, i7-920XM, i7-940XM
;
Intel Core i5 Dual-Core
: i5-430M, i5-450M, i5-460M, i5-480M, i5-520M, i5-540M, i5-560M, i5-580M
;
Intel Core i3 Dual-Core
: i3-330M, i3-350M, i3-370M, i3-380M, i3-390M
;
Intel Pentium
: P6000, P6100, P6200, P6300
;
Intel Celeron
: 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 memory mode, compared to the
triple-channel mode of LGA 1366, as a result of the lower pin count.
See also
*
List of Intel processors
*
Socket M
*
Socket G2
*
Socket P
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