Shoulder Screw And Fasteners Design Overview; Shoulder Screw - Intel Core i7-800 Specifications

Desktop processor series and lga1156 socket thermal/mechanical specifications and design guidelines

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Independent Loading Mechanism (ILM)

4.1.3

Shoulder Screw and Fasteners Design Overview

The shoulder screw is fabricated from carbonized steel rod. The shoulder height and

diameter are integral to the mechanical performance of the ILM. The diameter provides

alignment of the load plate. The height of the shoulder ensures the proper loading of

the IHS to seat the processor on the socket contacts. The design assumes the shoulder

screw has a minimum yield strength of 235 MPa.

Note:

The reference design incorporates a T-20 Torx* head fastener. The Torx* head fastener

was chosen to ensure end users do not inadvertently remove the ILM assembly and for

consistency with the LGA1366 socket ILM.

Figure 4-3.

Thermal/Mechanical Specifications and Design Guidelines

6-32 thread

Cap

Shoulder

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