Lga1155 Socket And Ilm Electrical, Mechanical And Environmental Specifications; Component Mass; Package/Socket Stackup Height; Socket Component Mass - Intel 2ND GENERATION CORE PROCESSOR FAMILY DESKTOP - THERMAL MECHANICAL SPECIFICATIONS AND DESIGN GUIDELINES 01-2011 Specifications

Thermal mechanical specifications and design guidelines (tmsdg) for 2nd generation intel core processor family desktop and lga1155 socket
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LGA1155 Socket and ILM Electrical, Mechanical and Environmental Specifications

5
LGA1155 Socket and ILM
Electrical, Mechanical and
Environmental Specifications
This chapter describes the electrical, mechanical and environmental specifications for
the LGA1155 socket and the Independent Loading Mechanism.
5.1

Component Mass

Table 5-1.

Socket Component Mass

Socket Body, Contacts and PnP Cover
ILM Cover
ILM Back Plate
5.2

Package/Socket Stackup Height

Table 5-2
LGA1155 socket with the ILM closed and the processor fully seated in the socket.
Table 5-2.

1155-land Package and LGA1155 Socket Stackup Height

Integrated Stackup Height (mm)
From Top of Board to Top of IHS
Socket Nominal Seating Plane Height
Package Nominal Thickness (lands to top of IHS)
Notes:
1.
This data is provided for information only, and should be derived from: (a) the height of the socket seating
plane above the motherboard after reflow, given in
package seating plane to the top of the IHS, and accounting for its nominal variation and tolerances that
are given in the corresponding processor data sheet.
2.
The integrated stackup height value is a RSS calculation based on current and planned processors that will
use the ILM design.
Thermal/Mechanical Specifications and Design Guidelines
Component
provides the stackup height of a processor in the 1155-land LGA package and
Component
Mass
10 g
29 g
38 g
Stackup Height
7.781 ± 0.335 mm
3.4 ± 0.2 mm
4.381 ± 0.269 mm
Appendix
C, (b) the height of the package, from the
Note
2
1
1
37

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