science

Intel i750

Intel i750 is a 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 Intel i750 rather than just read about it. In short: The Intel i750 is a two-chip graphics processing unit composed of the 82750PB pixel processor and 82750DB display processor. The i750 chip was used in video capture/compression cards such as the Intel Smart Video Recorder and Creative Labs Video Blaster RT300.

Key takeaways

Intel i750 belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Intel i750 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Intel i750 from memory before moving on to harder problems.

Reference excerpt

The Intel i750 is a two-chip graphics processing unit composed of the 82750PB pixel processor and 82750DB display processor. The i750 chip was used in video capture/compression cards such as the Intel Smart Video Recorder and Creative Labs Video Blaster RT300. These cards were needed to allow Video for Windows to record footage from a video camera. Although Intel had made earlier chips targeting graphics (e.g., 82786 graphics coprocessor), this could be considered as Intel's first attempt to break into the video controller marketplace. The effort was a failure and led to Intel leaving the market for some time. The Indeo video compressor was originally built to work with the i750, but was later ported to other systems as well.

Technical Details

82750PA 82750PA Pixel Processor which has the performance of 12.5 MIPS and it has features of video/graphic instruction that perform operations in parallel and that brings together motion video, stills and graphics into a single video frame.

82750DA 82750DA Display Processor which supplies resolution modes and pixel formats supporting up to 1024 pixels in horizontal resolution and 585 pixels in vertical resolution. It also supports up to 16.8 million of colors.

82750PB The 82750PB pixel processor is packaged in a 132-pin PQFP running at 25 MHz. It contains 57 instruction set, eight entries 64 bit vector registers (same MM0~MM7 register naming as used on the x86, the only difference being that i750 has dedicated registers while the x86 MMX CPU does not. However, the i750 lacks general purpose integer registers unlike its x86 counterpart), a 64-bit ALU, a 512×48-bit instruction RAM, a 512×16-bit data RAM, two internal 16-bit buses, a wide instruction word processor, a variable length sequence decoder, a pixel interpolator and an interface supporting a 4 GB linear address space. These features make it capable of text, 2D and 3D graphics, video compression, and real-time video decompression and video effects. It can support up to 30 frames per second. It supports video RAM interface which it compress and store, or retrieve and decompress data. It also can decompress high-resolution JPEG still image in approximately one second per image. This processor was available for US$49 in 1,000-unit quantities.

82750DB The 28-MHz 82750DB display processor supports variable bits per pixel, pixels per line, and pixel widths allowing trading-offs in image quality vs. refresh rate and VRAM requirements. It performs two-dimensional UV, translate from YUV digital video format, and generates CRT synchronization and control signals. It also supports VGA, NTSC, PAL and SECAM video formats. It is in 132-pin PQFP format. This processor was available for US$56 in 1,000-unit quantities.

82750PD Intel's low-cost i750 processor, 82750PD, and ATI's 68890 video capture Chip for video-only boards. It now supports the Shared Frame Buffer Interconnect (SFBI) specification which reduced the components requires to create video-capturing subsystem. It uses the Intel's Indeo software to process compression/decompression streaming coding. This specification defines a 32- or 64-bit shared multi-master memory bus to share a single frame buffer with other SFBI-compatible devices. Samples were available in first quarter of 1994 for USD $40 each in 100,000 quantities.

Worked examples

Example 1 — a first encounter with Intel i750

Start with the simplest possible case. Write down what Intel i750 claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In 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 Intel i750 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 Intel i750 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 Intel i750

In research: Intel i750 appears in 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 Intel i750 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: Intel i750 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Graphics hardware, Graphics processing units, Intel graphics, so understanding it makes those chapters shorter.
In everyday life: Look for Intel i750 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 Intel i750 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Intel i750 means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Intel i750 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Intel i750 in simple terms?

Why does Intel i750 matter?

Because it connects several 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 Intel i750?

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 Intel i750.