How to Install a LGA775 Processor in the LGA775 Socket

The following diagrams and instructions apply to the installation of LGA775-based processors and the boxed fan-heatsink. These instructions assume that the fan-heatsink is new and has the factory applied thermal interface material applied to the bottom of the fan-heatsink.

Here are related documents that may aid you with the installation process in the event this document did not address your questions.

Integration video
How to apply thermal interface material (TIM)
Resetting boxed processor fan-heatsink fasteners/pushpins

Your processor may or may not come with a processor cover. When LGA775-based processors initially started shipping, they came with a processor cover. Processors that came later arrive in the plastic shipping case without the cover.

  1. Open the socket lever by pushing lever down and away from the socket (A). Lift the lever (B).
  2. Open the load plate (C). Do not touch the socket contacts (D).

  3. Remove the protective cover (E) from the load plate. Do not discard the protective cover. Always replace the socket cover if the processor is removed from the socket.

  4. Remove the processor from the protective cover. Hold the processor only at the edges, being careful not to touch the bottom of the processor. Do not discard the protective cover. Always replace the processor cover if the processor is removed from the socket.

  5. Hold the processor with your thumb and index fingers, oriented as shown. Ensure your fingers align to the socket cutouts (F). Align the notches (G) with the socket (H). Lower the processor straight down without tilting or sliding the processor in the socket.

  6. Close the load plate. Pressing down on the load plate (I), close and engage the socket lever (J).

  7. With the motherboard installed in the chassis, place the fan-heatsink onto the motherboard. It is important to align the fasteners through the holes properly or you risk damaging the bottom of the fasteners. Also be careful not to damage the thermal interface material attached to the bottom of the fan-heatsink.

  8. Push down on the top of each fastener while holding the fan heat sink in place. You should hear a “click” when pushing down each fastener. Check that all four fasteners are securely attached by gently pulling up on each fastener. Having an unattached fastener will prevent a good seal between the fan-heatsink and processor and could result in unreliable operation of the processor.

  9. Connect the processor 4-wire fan cable connector to the motherboard 4-pin CPU fan header. (The processor 4-wire fan cable connector can be connected to a motherboard 3-pin CPU fan header if a 4-pin CPU fan header is unavailable.)

Operating System:

OS Independent

This applies to:

Intel® Celeron® Desktop Processor
Intel® Core™2 Duo Desktop Processor
Intel® Core™2 Extreme Processor
Intel® Core™2 Quad Processor
Intel® Pentium® 4 Processor Extreme Edition
Intel® Pentium® 4 Processors
Intel® Pentium® D Processor
Intel® Pentium® Processor Extreme Edition
Intel® Pentium® Processor for Desktop

Solution ID: CS-032260
Last Modified: 14-Jul-2015
Date Created: 26-Jan-2011
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