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4.4
Loading Specifications
The socket will be tested against the conditions listed in
the ILM attached, under the loading conditions outlined in this chapter.
Table 4-3
The maximum limits should not be exceeded during heatsink assembly, shipping
conditions, or standard use condition. Exceeding these limits during test may result in
component failure. The socket body should not be used as a mechanical reference or
load-bearing surface for thermal solutions.
Table 4-3.
Socket and ILM Mechanical Specifications
Static compressive load from ILM cover to
processor IHS
Heatsink Static Compressive Load
Total Static Compressive Load
(ILM plus Heatsink)
Dynamic Compressive Load
(with heatsink installed)
Pick and Place Cover Insertion / Removal force
Load Lever actuation force
Notes:
1.
These specifications apply to uniform compressive loading in a direction perpendicular to the IHS top
surface.
2.
This is the minimum and maximum static force that can be applied by the heatsink and it's retention
solution to maintain the heatsink to IHS interface. This does not imply the Intel reference TIM is validated
to these limits.
3.
Loading limits are for the LGA1366 socket.
4.
This minimum limit defines the compressive force required to electrically seat the processor onto the socket
contacts.
5.
Dynamic loading is defined as an 11 ms duration average load superimposed on the static load
requirement.
6.
Test condition used a heatsink mass of 550 gm [1.21 lb] with 50 g acceleration measured at heatsink mass.
The dynamic portion of this specification in the product application can have flexibility in specific values, but
the ultimate product of mass times acceleration should not exceed this dynamic load.
7.
Conditions must be satisfied at the beginning of life and the loading system stiffness for non-reference
designs need to meet a specific stiffness range to satisfy end of life loading requirements.
4.5
Electrical Requirements
LGA1366 socket electrical requirements are measured from the socket-seating plane of
the processor to the component side of the socket PCB to which it is attached. All
specifications are maximum values (unless otherwise stated) for a single socket
contact, but includes effects of adjacent contacts where indicated.
24
LGA1366 Socket and ILM Electrical, Mechanical, and Environmental Specifications
provides load specifications for the LGA1366 socket with the ILM installed.
Parameter
Chapter 7
Min
470 N [106 lbf]
623 N [140 lbf]
0 N [0 lbf]
266 N [60 lbf]
470 N (106 lbf)
890 N (200 lbf)
N/A
890 N [200 lbf]
N/A
10.2 N [2.3 lbf]
N/A
38.3 N [8.6 lbf] in the
vertical direction
10.2 N [2.3 lbf] in the
lateral direction.
Thermal/Mechanical Design Guide
with heatsink and
Max
Notes
3, 4,
7
1, 2,
3
3,
4
1, 3, 5,
6
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