LGA 1366
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LGA 1366
Socket B
LGA Socket 1366.jpg
TypeLGA
Chip form factorsFlip-chip land grid array
Contacts1366
FSB protocolIntel QuickPath Interconnect
FSB frequency1× to 2× QuickPath
Processor dimensions45 mm x 42.5 mm [1]
ProcessorsIntel Core i7 (9xx series)
Intel Xeon (35xx, 36xx,
55xx, 56xx series)
Intel Celeron P1053
PredecessorLGA 775
LGA 771
SuccessorLGA 2011
LGA 1356
LGA 1567
Memory supportDDR3

This article is part of the CPU socket series

LGA 1366, also known as Socket B,[2][3] is an Intel CPU socket. This socket supersedes Intel's LGA 775 (Socket T) in the high-end and performance desktop segments. It also replaces the server-oriented LGA 771 (Socket J) in the entry level and is superseded itself by LGA 2011. LGA stands for land grid array. This socket has 1,366 protruding pins which touch contact points on the underside of the processor (CPU)[4] and accesses up to three channels of DDR3 memory via the processor's internal memory controller.

Socket 1366 (Socket B) uses QPI to connect the CPU to a reduced-function northbridge that serves mainly as a PCI-Express controller. A slower DMI is used to connect Intel's most recent northbridge and southbridge components. By comparison, Intel's socket 1156 (Socket H) moves the QPI link and PCI-Express controller onto the processor itself, using DMI to interface a single-component "chipset" (now called PCH) that serves traditional southbridge functions. The difference in pin number is mostly a reflection of the number of memory channels served.

In November 2008, Intel released Core i7, which was the first processor requiring this socket.

LGA 1366 socket and processors were discontinued sometime in early 2012,[5] having been superseded by the LGA 2011 socket, on 14 November 2011, supporting Sandy Bridge E-series processors. The accompanying LGA 1156 was discontinued at the same time, which was replaced by LGA 1155.

Socket B mechanical load limits

Socket B processors have the following mechanical maximum load limits which should not be exceeded during heatsink assembly, shipping conditions, or standard use. Load above those limits will crack the processor die and make it unusable.

Location Dynamic Static
IHS Surface 890 N (200 lbf; 90 kp) 266 N (60 lbf; 27 kp)

Processors using this socket have a lower static load limit than previous models using LGA 775. Available reference heat sinks include circular design and heatpipe design.[6]

Supported chipsets

The chipsets that support LGA 1366 are Intel's X58 (desktop) and 3400, 3420, 3450, 5500, 5520 and 7500 (server).

See also

References

  1. ^ "Intel Core i7 Processor Datasheet" (PDF).
  2. ^ Socket Transition Guidance
  3. ^ Intel Core i7 & i5 Compatibility Sheet Archived 2010-12-02 at the Wayback Machine
  4. ^ "New P4 Socket Type LGA 775 (Socket T)". asisupport.com. Archived from the original on 2007-12-13. Retrieved . Cite uses deprecated parameter |deadurl= (help)
  5. ^ "Intel to discontinue LGA 1366 and LGA 1156 processors in 2012". 8 December 2011. Retrieved .
  6. ^ Loading Specifications Archived 2016-02-07 at the Wayback Machine page 28. Mechanical Drawings; page 52-69. From "Intel® Core(TM) i7-900 Desktop Processor Series and LGA1366 Socket Thermal and Mechanical Design Guide" by Intel

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

LGA_1366
 



 



 
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