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LGA1366 Socket and ILM Electrical, Mechanical, and Environmental Specifications
4
LGA1366 Socket and ILM
Electrical, Mechanical, and
Environmental Specifications
This chapter describes the electrical, mechanical, and environmental specifications for
the LGA1366 socket and the Independent Loading Mechanism.
4.1
Component Mass
Table 4-1.
Socket Component Mass
Socket Body, Contacts and PnP Cover
ILM Cover
ILM Back Plate for dual processor server products
4.2
Package/Socket Stackup Height
Table 4-2
LGA1366 socket with the ILM closed and the processor fully seated in the socket.
Table 4-2.
1366-land Package and LGA1366 Socket Stackup Height
Integrated Stackup Height (mm)
From Top of Board 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 EMTS.
2.
This value is a RSS calculation.
4.3
Socket Maximum Temperature
The power dissipated within the socket is a function of the current at the pin level and
the effective pin resistance. To ensure socket long term reliability, Intel defines socket
maximum temperature using a via on the underside of the motherboard. Exceeding the
temperature guidance may result in socket body deformation, or increases in thermal
and electrical resistance which can cause a thermal runaway and eventual electrical
failure. The guidance for socket maximum temperature is listed below:
• Via temperature under socket < 96 °C
Thermal/Mechanical Design Guide
Component
provides the stackup height of a processor in the 1366-land LGA package and
Mass
15 gm
43 gm
100 gm
7.729 ± 0.282 mm
Appendix
C, (b) the height of the package, from the
27
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