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LGA 3647

LGA 3647 is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand LGA 3647 rather than just read about it. In short: LGA 3647 is an Intel microprocessor compatible socket used by Xeon Phi x200 ("Knights Landing"), Xeon Phi 72x5 ("Knights Mill"), Skylake-SP, Cascade Lake-SP, and Cascade Lake-W microprocessors. The socket supports a 6-channel memory controller, non-volatile 3D XPoint memory DIMMs, Intel Ultra Path Interconnect (UPI), as a replacement for Quick Path Interconnect (QPI), and 100G Omni-Path interconnect and also has a n…

LGA 3647 — main illustration
LGA 3647 — illustration

Key takeaways

  • LGA 3647 belongs to computer science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect LGA 3647 to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of LGA 3647 from memory before moving on to harder problems.

Reference excerpt

LGA 3647 is an Intel microprocessor compatible socket used by Xeon Phi x200 ("Knights Landing"), Xeon Phi 72x5 ("Knights Mill"), Skylake-SP, Cascade Lake-SP, and Cascade Lake-W microprocessors. The socket supports a 6-channel memory controller, non-volatile 3D XPoint memory DIMMs, Intel Ultra Path Interconnect (UPI), as a replacement for Quick Path Interconnect (QPI), and 100G Omni-Path interconnect and also has a new mounting mechanism which does not use a lever to secure it in place but the CPU cooler's pressure and its screws to secure it in place.

Variants There are two sub-versions of this socket with differences also in the ILM (Independent Loading Mechanism, pitch of center screws changed slightly and a more visible one being that the guiding pins are in other corners). The processor socket and the matching notches on the processor are at different location, preventing insertion of an incompatible processor and preventing use of the wrong heatsink in a system. The more common P0 variant has two sub-options for heatsink mounting – designated as square ILM and narrow ILM, choice of which depends on the server and mainboard design (likely based on space constraints).

LGA3647-0 (socket P0) used for Skylake-SP and Cascade Lake-SP processors LGA3647-1 (socket P1) used for Xeon Phi x200 processors

References

Illustrations

LGA 3647 illustration

Worked examples

Example 1 — a first encounter with LGA 3647

Start with the simplest possible case. Write down what LGA 3647 claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to LGA 3647 before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about LGA 3647 ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of LGA 3647

In research
LGA 3647 appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses LGA 3647 in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
LGA 3647 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Computer hardware stubs, Intel CPU sockets, so understanding it makes those chapters shorter.
In everyday life
Look for LGA 3647 outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study LGA 3647 in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what LGA 3647 means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain LGA 3647 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is LGA 3647 in simple terms?

LGA 3647 is an Intel microprocessor compatible socket used by Xeon Phi x200 ("Knights Landing"), Xeon Phi 72x5 ("Knights Mill"), Skylake-SP, Cascade Lake-SP, and Cascade Lake-W microprocessors. The socket supports a 6-channel memory controller, non-volatile 3D XPoint memory DIMMs, Intel Ultra Path…

Why does LGA 3647 matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study LGA 3647?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on LGA 3647.

Tags

  • Computer hardware stubs
  • Intel CPU sockets

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