481
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 528 posts.
Hardware & Electronics
Any year
482
DDR4 SDRAM – Initialization, Training and Calibration
A detailed tutorial on DDR4 SDRAM Initialization, Training and Calibration. Exploring topics such as Read/Write Training, ZQ Calibration, Vref Training, Read Centering, Write Centering, Write Leveling and Periodic Calibration.
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The Apple Network Server's all-too-secret weapon (featuring PPC Toolbox)
Most of my systems are microcomputers (and commensurately sized), though I do have some moderately larger beasts: you've met homer , my 1987...
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Oculus GoBlack – How to Make Your Oculus Go Better
Oculus Go, like all products, is the result of a series of compromises around cost, schedule, quality, and competence. It is clearly the best standalone VR platform on the market, but anyone …
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The next Raptor OpenPOWER systems are coming, but they won't be Power10
I'd like to first start out by saying I've been aware of new developments but made certain promises to keep my mouth shut until all the pa...
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The Ball and Supply Chain
Purism makes premium phones, laptops, mini PCs and servers running free software on PureOS. Purism products respect people's privacy and freedom while protecting their security.
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A new cycle-stepped 6502 CPU emulator
TL;DR: The how and why of the new 6502 emulator in the chips project.
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Some small suggestions for the Intel instruction set
Programmers trying to make crypto run fast often say things like "Why can't the CPU designer just add a 128-bit multiplication instruction?" Sometimes these questions turn into academic papers analyzing the cycle counts that would be obtained from various instruction-set extensions. What's missing from most of these…
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SIMD < SIMT < SMT: Parallelism in Nvidia GPUs (2011)
Programmable NVIDIA GPUs are very inspiring to hardware geeks, proving that processors with an original, incompatible programming model can become widely used.
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Way to keep your cool running a Raspberry Pi 4 (2019)
From home temperature monitoring to a Kubernetes cluster hosting a live Drupal website, I have a lot of experience running Raspberry Pis. I've used every model through the years, and am currently using a mix of A+, 2 model B, and 4 model B Pis. The 3 model B+ was the first generation that had me concerned more about…
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Previewing the Model Hardware Standard
Anthropic is opening a research preview of the Model Hardware Standard (MHS), a shared specification for AI agents to safely operate physical devices, to a first group of scientific research labs and advanced manufacturers.
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Atreus – kit to build your own mechanical keyboard
My last post documented my initial exposure to the wild world of custom keyboards and the numerous ways it's possible to improve on the conventional design. As I dug deeper into the topic, I was struck with the simplicity of the underlying concepts. While the Ergodox is a notable and admirable achievement of…
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Reverse engineering the 76477 “Space Invaders” sound chip from die photos (2017)
Remember the old video game Space Invaders? Some of its sound effects were provided by a chip called the 76477 Complex Sound Generation ch...
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Surprisingly simple scheme for self-assembling robots
Small cubes with no exterior moving parts can propel themselves forward, jump on top of each other, and snap together to form arbitrary shapes.
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ARM64EC: Building Native and Interoperable Apps for Windows 11 on ARM
Today, we’re announcing ARM64EC (“Emulation Compatible”), a new way to build apps for Windows 11 on ARM. With the latest Visual Studio tools in preview and the Windows 11 Insider SDK, you'll be able to take advantage of ARM64EC to incrementally
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Unlocking the Duron and Athlon using the pencil (2007)
Unlocking the Duron and Athlon Using the Pencil Introduction The best and most stable way to overclock your Athlon and Duron CPU is ...
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Building a More Secure World with the RISC-V ISA
RISC-V International Staff RISC-V International’s staff bring together expertise from multiple disciplines to advance our mission of promoting the RISC-V instruction set architecture (ISA). On the RISC-V blog, we highlight...
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Glowing mercury thyratrons: inside a 1940s Teletype switching power supply
We recently started restoring a Teletype Model 19, a Navy communication system introduced in the 1940s. 14 This Teletype was powered by a b...
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Homemade synthetic aperture radar
Second version of the 6 GHz FMCW radar now with SAR images
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Lisp Badge – Self-contained ATmega1284 Lisp computer
This is a self-contained computer with its own display and keyboard, based on an ATmega1284, that you can program in the high-level language Lisp:
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Infra-Red, in Situ (Iris) Inspection of Silicon
Cryptography tells us how to make a chain of trust rooted in special-purpose chips known as secure elements. But how do we come to trust our secure elements? I have been searching for solutions to this thorny supply chain problem . Ideally, one can directly inspect the construction of a chip, but any viable inspection…
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The complex history of the Intel i960 RISC processor
The Intel i960 was a remarkable 32-bit processor of the 1990s with a confusing set of versions. Although it is now mostly forgotten (outs...
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Intel Reports Second Quarter 2024 Financial Results
SANTA CLARA, Calif.--(BUSINESS WIRE)-- Intel Corporation today reported second-quarter 2024 financial results.
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How many Commodore 64 computers were really sold? (2011)
Nobody doubts that the C64 was the greatest selling single computer model of all time, it even made it into the Guinness Book of World Records, but nobody quite knows how many it really was: Most sources say 17 million, others say 22 or even 30 million. With a high degree of confidence, I can now…
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The Flying Nimbus – A high-power, self-balancing transportation contraption
What does a recycled (heavily used) go kart tire, an action-packed three-phase servo drive and a gyro/accelerometer have in common?
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Why Intel is adding instructions to speed up non-volatile memory
The latest version of the Intel manual has a couple of new instructions for non-volatile storage, like SSDs . What's that about?
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Building my $1,200 Hackintosh
I’ve wanted a new Mac for awhile now. Now I have one faster than almost any Mac that Apple can sell you. Here’s how I built it.