Category: Hardware

Intel Xe3 Architecture Deep Dive: Significant Improvements Target High-End Market

2025-03-19
Intel Xe3 Architecture Deep Dive:  Significant Improvements Target High-End Market

Details of Intel's Xe3 GPU architecture have emerged, with software development visible across several open-source repositories. Xe3 boasts a potential maximum of 256 Xe Cores, significantly more than its predecessor, supporting up to 32,768 FP32 lanes. Improvements include 10 concurrent threads per XVE, flexible register allocation, increased scoreboard tokens, and a new gather-send instruction. Additionally, Xe3 introduces Sub-Triangle Opacity Culling (STOC), which subdivides triangles to reduce wasted shader work, enhancing ray tracing performance. These advancements bring Intel's architecture closer to AMD and Nvidia's in terms of performance and efficiency, signaling Intel's ambition in the high-end GPU market.

Hardware GPU Architecture

Pixel 9a: A Kid-Friendly Phone with Robust Parental Controls

2025-03-19
Pixel 9a: A Kid-Friendly Phone with Robust Parental Controls

The Google Pixel 9a is designed with kids in mind, offering a suite of safety and parental control features. Parents can manage their child's account and device using Google Family Link, controlling screen time, monitoring app usage, approving downloads, setting privacy options, and sharing location. A new 'School Time' feature restricts functionality and silences notifications during school hours. Additionally, Google Wallet for kids is rolling out on the Pixel 9a, enabling safer payments with Google Pay and allowing kids to add passes like movie tickets and library cards. Parents maintain control over payment cards and passes through Family Link.

Intel Drops 256-bit AVX-10 Mode, Goes All-in on 512-bit

2025-03-19

Intel has significantly revised its AVX-10 instruction set whitepaper, abandoning the previously planned optional 256-bit mode in favor of a full 512-bit vector width. This means future Intel E-core processors will fully support AVX-512, aligning with AMD's Zen 4 architecture. The change stems from updated GCC compiler patches removing 256-bit compatibility. This simplifies instruction set handling and boosts the competitiveness of future Intel Xeon E-core server platforms, better competing with AMD's EPYC processors. While a late decision, it positively impacts the future of the x86_64 microarchitecture.

Hardware 512-bit vector

Fanless M4 MacBook Air: Performance and Power Efficiency

2025-03-19
Fanless M4 MacBook Air: Performance and Power Efficiency

The new MacBook Air features a fanless M4 chip, offering performance on par with other M4 Macs. It boasts a 10-core CPU (4 performance and 6 efficiency cores) and a 10-core GPU. While sustained heavy workloads may cause slight performance throttling, it performs nearly identically to actively cooled M4 versions in most everyday tasks. Compared to the M3, the M4 offers a 15-30% CPU performance boost and a 10-20% GPU improvement. Against the M1, the overall performance increase is a substantial 50-70%. While it throttles under extreme stress tests, the M4 provides a noticeable performance upgrade for typical users, exceeding the needs of most daily workflows.

Hardware fanless design

Nvidia Unveils Personal AI Supercomputers: DGX Spark and DGX Station

2025-03-19
Nvidia Unveils Personal AI Supercomputers: DGX Spark and DGX Station

Nvidia launched two personal AI supercomputers, DGX Spark and DGX Station, powered by the Grace Blackwell platform. These new AI PC architectures are designed for running neural networks and will be manufactured by five major PC manufacturers. Aimed at developers and researchers, the DGX systems allow for local prototyping, fine-tuning, and running of large AI models. They also act as bridge systems, easily transferring models between desktop and cloud environments. DGX Spark offers impressive performance, while DGX Station boasts enhanced memory and networking speeds.

SheepShaver: Open-Source PowerPC Mac Emulator

2025-03-18

SheepShaver is an open-source PowerPC Apple Macintosh emulator capable of running Mac OS 7.5.2 through 9.0.4. Originally a commercial product for BeOS (1998), it was open-sourced in 2002 and ported to Windows, Linux, and macOS. While primary development ceased in 2008, community contributions continue, making it a valuable tool for running older Mac OS versions, especially as the Classic Environment is absent in newer macOS releases. Users need to supply their own ROM image and Mac OS copy.

Hardware

Nvidia Unveils RTX Pro Blackwell GPU Lineup for Professionals

2025-03-18
Nvidia Unveils RTX Pro Blackwell GPU Lineup for Professionals

Nvidia today announced its RTX Pro Blackwell series of GPUs, designed for professional designers, developers, data scientists, and creatives. The lineup includes a flagship RTX Pro 6000 Blackwell GPU for workstations, along with other desktop and laptop variants, and a datacenter version of the RTX Pro 6000 Blackwell. The workstation RTX Pro 6000 Blackwell boasts 96GB of GDDR7 memory and a 600-watt power draw (slightly higher than the RTX 5090's 575 watts). It features PCIe Gen 5 support, DisplayPort 2.1, and the latest Blackwell generation RT and Tensor cores. This GPU targets professionals working on game development, AI workloads, and other demanding tasks requiring significant VRAM and processing power. Max-Q and server variants are also planned. Nvidia is replacing its previous RTX numbering scheme and Quadro branding with the new RTX Pro branding. Also launching are the RTX Pro 5000 and 4000 Blackwell for desktops and laptops, and the RTX Pro 4500 Blackwell for desktops. Laptop versions will include 3000, 2000, 1000, and 500 models, featuring up to 24GB of VRAM and Nvidia's latest Blackwell Max-Q technologies for AI-powered performance and power optimization. These laptops will compete with AMD's Strix Halo chips, which offer 128GB of unified memory. Pricing for the RTX Pro 6000 workstation variant hasn't been revealed, but availability begins in April from distributors like PNY and TD Synnex, with OEMs like Dell, HP, and Lenovo following in May. The server variant will be available from Cisco, Dell, HP, Lenovo, and Supermicro soon, with cloud providers like AWS, Google Cloud, Microsoft Azure, and CoreWeave offering it later this year. The rest of the RTX Pro Blackwell workstation lineup arrives this summer from Boxx, Dell, HP, and Lenovo, with laptop variants shipping in Dell, HP, Lenovo, and Razer devices later this year.

10 Years of Hardware Startup Lessons Condensed into a 300+ Page Book

2025-03-18

An engineer with over a decade of experience across multiple hardware startups has compiled their hard-earned wisdom into a 300+ page guide to electronics design. Covering everything from ideation and component selection to schematic design, PCB layout, cost optimization, manufacturing, testing, lab setup, troubleshooting, demo tips, and recommended companies, this book aims to accelerate your learning and prevent common pitfalls. A free digital copy or a physical copy for $39 is available.

NVIDIA's Global Website Directory

2025-03-18
NVIDIA's Global Website Directory

NVIDIA provides a comprehensive list of its regional websites, allowing users to access localized content, pricing, and retailer information based on their country. The list includes links to sites for Argentina, Australia, Belgium, Brazil, Canada, Czech Republic, Chile, Colombia, Denmark, Germany, Spain, France, India, Israel, Italy, Mexico, Middle East, Netherlands, Norway, Austria, Peru, Poland, Rest of Europe, Romania, Singapore, Finland, Sweden, Turkey, United Kingdom, United States, CIS, Korea, Mainland China, Taiwan, and Japan.

Pebble's Back: Core Devices Unveils Two New Smartwatches

2025-03-18
Pebble's Back: Core Devices Unveils Two New Smartwatches

Eric Migicovsky, the original creator of the Pebble smartwatch, is back with his new company, Core Devices, launching two new smartwatches: the Core 2 Duo and the Core Time 2. The Core 2 Duo, launching in July for $149, is essentially a resurrected Pebble 2, using leftover parts and boasting a 30+ day battery life and a speaker. The Core Time 2, arriving in December for $225, updates the Pebble Time 2 design with a touchscreen, while retaining the long battery life, customizability, and hacker-friendly features. Both run the open-sourced Pebble OS, offering a nostalgic experience, though iPhone compatibility remains a challenge.

Hardware

Open Source PebbleOS Smartwatches Are Back: Core 2 Duo and Core Time 2 Pre-orders Open

2025-03-18
Open Source PebbleOS Smartwatches Are Back: Core 2 Duo and Core Time 2 Pre-orders Open

rePebble has announced two new smartwatches running open-source PebbleOS: the Core 2 Duo and the Core Time 2. The Core 2 Duo features an ultra-crisp black and white display, a polycarbonate frame, costs $149, and starts shipping in July. The Core Time 2 boasts a larger 64-color display, a metal frame, costs $225, and begins shipping in December. Both watches are inspired by the classic Pebble design, offering long battery life, a simple and beautiful aesthetic, and compatibility with thousands of existing Pebble apps. Available exclusively for pre-order on the rePebble website, quantities are limited.

Hardware

Raspberry Pi Launches RP2350 Microcontroller Family with Out-of-the-Box Rust Support

2025-03-18

Raspberry Pi announced the RP2350 family, its latest microcontrollers featuring out-of-the-box Rust support—a first for the industry. The RP2350 boasts dual Arm Cortex-M33 cores with FPU, and optionally dual RISC-V Hazard3 cores, switchable at runtime or boot time. Improvements include increased SRAM and Flash, more GPIOs, and enhanced peripherals, along with advanced features like secure boot and partition support. While still using USB 1.1, it maintains the same price point as its predecessor and offers several variants. The blog post delves into booting, partition tables, address translation, and OTP functionality, demonstrating Rust code porting and execution examples.

Hardware

The 100 USB Device Nightmare: Bottlenecks and Engineering Challenges

2025-03-17
The 100 USB Device Nightmare: Bottlenecks and Engineering Challenges

Connecting 100 USB devices isn't trivial! The article highlights the severe congestion caused by USB's hub-like architecture, making it impossible for a single controller to handle the load. The solution requires a custom PCB with up to 100 USB controllers and a high-speed network interface (e.g., 100Gb fiber optics), along with complex drivers and server-side software to manage the massive data flow. A cheaper but less efficient alternative is also suggested: using small computers like Raspberry Pis, with efficient power management and Ethernet connections. In short, this is a monstrously complex engineering project.

Bambu Lab's CyberBrick: A Programmable Toy System Built for Creativity

2025-03-17
Bambu Lab's CyberBrick: A Programmable Toy System Built for Creativity

Bambu Lab, a 3D printer manufacturer, has launched CyberBrick, a new toy system under its MakerWorld brand. CyberBrick combines reusable, programmable electronics with 3D-printable models, enabling a wide range of toys based on official and community designs. Initially a Kickstarter exclusive, it's already exceeded its funding goal, with kits shipping in May 2025. The system launches with three official toys (forklift, truck, soccer bot) and a wireless controller. Kits, starting at $29.99, include solderless electronics and instructions for 3D printing. Pre-printed parts are available on Kickstarter but won't be offered through Bambu's Maker's Supply store. Beyond the official toys, CyberBrick boasts community designs like a lunar rover and a Tesla Cybertruck replica, showcasing its expandable nature. The system even extends beyond toys, with components for timelapse 3D printing. Crucially, everything is programmable, opening up endless possibilities for creative construction and coding.

PineTab-V Updated: A Budget RISC-V Dev Tablet Gets a Refresh

2025-03-17
PineTab-V Updated: A Budget RISC-V Dev Tablet Gets a Refresh

Pine64 has released an updated version of its PineTab-V tablet. This 10.1-inch tablet features a StarFive JH7110 RISC-V processor, 8GB of RAM, 128GB of storage, and a detachable backlit keyboard. Improvements include an accelerometer, LED indicator light, and an improved EEPROM ID, along with a fix for slow charging when powered off. It now ships with a Debian-based StarFive GNU/Linux distro. While not a performance powerhouse, the $225 PineTab-V remains attractive to developers and enthusiasts as a RISC-V development platform.

Hardware

The Amiga 600: Commodore's Epic Fail, Now a Retro Gem

2025-03-16
The Amiga 600: Commodore's Epic Fail, Now a Retro Gem

The Amiga 600, one of Commodore's last Amigas, epitomized the company's downfall. Launched in 1992, it featured outdated 1985 technology, lacked competitiveness in price and expandability, and suffered from inferior graphics compared to PCs. This article delves into the reasons for its failure, contrasting it with the more successful Amiga 500. Despite its initial flop, the Amiga 600's compact size has made it a popular choice among retro enthusiasts today. The author analyzes Commodore's strategic missteps and the Amiga 600's technical shortcomings, highlighting how a once-failed product has become a nostalgic icon.

Hardware

Bolt Graphics' Zeus GPU: A RISC-V Challenger to Nvidia

2025-03-16
Bolt Graphics' Zeus GPU: A RISC-V Challenger to Nvidia

Bolt Graphics, a California startup, unveiled its Zeus GPU platform based on the open-source RISC-V architecture. In path tracing workloads, Zeus significantly outperforms Nvidia's RTX 5090, boasting up to 10x the speed. However, its performance in traditional rendering and AI tasks remains unclear, and a mature software ecosystem is lacking. Zeus uses a multi-chiplet design, offering various configurations with up to 2TB of memory and built-in high-speed networking, targeting high-performance computing and scientific simulations. Developer kits are slated for late 2025, with mass production in late 2026. Despite significant challenges, Zeus's emergence injects new dynamism into the GPU market.

Hardware

Comet: A Portable Hardware KVM Powerhouse

2025-03-16
Comet: A Portable Hardware KVM Powerhouse

Comet is a compact and powerful Remote KVM offering 2K resolution at 60FPS for smooth video. Powered by a 1.5GHz quad-core processor, it boasts Gigabit Ethernet for fast networking and USB 2.0 for peripherals like finger switches. Type-C power, HDMI-IN for video input, and a USB device port for a mouse ensure versatility. Compatible with mini PCs, desktops, laptops, servers, industrial PCs, and TV boxes.

Deep Dive into Intel Battlemage's Ray Tracing Performance

2025-03-16
Deep Dive into Intel Battlemage's Ray Tracing Performance

This article delves into the ray tracing performance of Intel's Arc B580 GPU under the Battlemage architecture. Analyzing Cyberpunk 2077's path tracing and 3DMark Port Royal benchmark, it reveals improvements in Battlemage's Ray Tracing Accelerator (RTA), including a tripled ray traversal pipeline, doubled triangle intersection test rate, and a 16KB BVH cache. While high occupancy in Cyberpunk 2077's path tracing didn't translate to high execution unit utilization, the improved cache and architecture excelled in Port Royal. The article concludes that Battlemage shows significant ray tracing advancements, but the memory subsystem remains a performance bottleneck.

Hardware

ESP32 WiFi Connectivity Woes: Practical Tips and Tricks

2025-03-16

Experiencing intermittent WiFi connectivity issues with your ESP32-based IoT projects? This article shares several practical solutions, including disabling ESP32's WiFi power saving mode, setting your AP to use 20MHz channels, and pinning your ESP32 to a specific access point. While lacking rigorous scientific backing, these anecdotal solutions have proven effective for the author, eliminating frequent network dropouts.

Hardware

AMD's Strix Halo SoC: A Handheld Threadripper?

2025-03-14
AMD's Strix Halo SoC: A Handheld Threadripper?

At CES 2025, Mahesh Subramony, AMD Senior Fellow, unveiled the Strix Halo SoC, a groundbreaking integrated processor boasting a Zen 5 CPU and a powerful iGPU. Unlike desktop Zen 5, Strix Halo prioritizes power efficiency with innovative die-to-die interconnect technology, reducing latency and boosting efficiency. A 32MB MALL cache primarily amplifies GPU bandwidth; while inaccessible to the CPU directly, its design allows for future software updates to expand functionality. Intended as a high-performance mobile workstation, Strix Halo features a full 512-bit FPU and impressive multi-threaded performance.

Hardware

WebUSB Bypass: Controlling a Raspberry Pi Pico via a U2F Exploit

2025-03-14
WebUSB Bypass: Controlling a Raspberry Pi Pico via a U2F Exploit

Control a Raspberry Pi Pico from your browser without WebUSB! This article details a method that exploits a vulnerability in the U2F security key protocol. By emulating a U2F security key, data is disguised as a signature, bypassing browser security restrictions to control the Pico's LED. While this leverages a U2F flaw, it's not a security vulnerability in itself, only working on devices intentionally designed with this vulnerability. The article stresses the risks of connecting unknown USB devices.

Hardware

Windows Update Bricking USB Printers: Random Text Mayhem

2025-03-13
Windows Update Bricking USB Printers: Random Text Mayhem

Microsoft has acknowledged that recent Windows updates (KB5050092 and later, released since January 29th, 2025) are causing some dual-mode USB printers (supporting both USB Print and IPP over USB) to print random gibberish. This includes network commands and unusual characters. Windows 10 22H2 and Windows 11 22H2/23H2 are affected; Windows 11 24H2 is not. Microsoft has fixed this via Known Issue Rollback (KIR), and the fix will also automatically roll out in a future update. For enterprise environments, IT admins need to install and configure specific group policies to resolve the issue on affected devices.

DIY Telescopes: A Beginner's Guide to Amateur Telescope Making

2025-03-13

This guide explores the world of Amateur Telescope Making (ATM), tracing its history from Russell Porter's pioneering work to the modern era. It emphasizes the rewarding aspects of building your own telescope: the satisfaction of crafting a tool for celestial observation, learning about optics, and the pride of accomplishment. The guide covers mirror grinding, optical testing, and telescope assembly, providing numerous resources and links, making it ideal for beginners.

Hardware telescope making

Game Boy Advance Deep Dive: The Rise of ARM and a Handheld Legend

2025-03-13
Game Boy Advance Deep Dive: The Rise of ARM and a Handheld Legend

This article delves into the inner workings of the Game Boy Advance, focusing on its core ARM7TDMI processor. It traces the ARM processor's origins from Acorn Computers' BBC Micro, its collaboration with Apple, and its eventual partnership with Nintendo, becoming the heart of the Game Boy Advance. The article details the ARM7TDMI's architecture, instruction sets (ARM and Thumb), pipeline design, and memory management, explaining how the Game Boy Advance cleverly combined 16-bit and 32-bit buses. It also covers the console's graphics and audio processing systems, game cartridge format, anti-piracy measures, and the rise of Flashcarts.

A Decade Later: Reflecting on Apple's Controversial 12-inch Retina MacBook

2025-03-13
A Decade Later: Reflecting on Apple's Controversial 12-inch Retina MacBook

A decade ago, Apple launched the infamous 12-inch Retina MacBook, a revolutionary yet controversial device. Its minimalist design, featuring a single USB-C port and butterfly keyboard, made it a talking point. While criticized for performance and battery life, it pioneered features like USB-C, the butterfly keyboard, and a haptic trackpad, shaping the future of Mac design. Discontinued in 2019, its design legacy lives on in the current MacBook Air.

Hardware

Comma.ai Hits 10,000 Unit Sales Milestone, Eyes Massive Growth

2025-03-12
Comma.ai Hits 10,000 Unit Sales Milestone, Eyes Massive Growth

Comma.ai celebrated a major milestone: 10,000 units sold of its comma 3X, its first product to surpass 5-digit sales. This success, however, wasn't easy. After a rocky start with their 2017 Panda product, Comma.ai persevered, building its own factory, establishing a robust supply chain, and creating a product users love. With plans to expand data center and manufacturing capacity, and leveraging a large autonomous vehicle fleet for data processing, Comma.ai is poised for its biggest year yet in 2025.

Hardware supply chain

AMD Ryzen 9 9950X3D: In-Depth Review of the 2nd Gen 3D V-Cache Flagship

2025-03-12
AMD Ryzen 9 9950X3D: In-Depth Review of the 2nd Gen 3D V-Cache Flagship

AMD unveiled a plethora of products at CES, including the Ryzen 9 9950X3D and 9900X3D, featuring the second generation 3D V-Cache technology. This article delves into the specifications, features, and performance of the Ryzen 9 9950X3D. Compared to its predecessors, the 9950X3D boasts higher clock speeds and TDP, and by directly bonding the 3D V-Cache to the bottom of the CCD, it addresses thermal limitations and unlocks full overclocking capabilities. Its massive 128MB L3 cache significantly boosts gaming performance, while AMD's 3D V-Cache Performance Optimizer ensures workloads run on the correct CCD. Benchmarks reveal the Ryzen 9 9950X3D excels in both single-threaded and multi-threaded workloads.

Hardware

Clarification on Alleged ESP32 Backdoor

2025-03-11
Clarification on Alleged ESP32 Backdoor

Recent media reports claimed an ESP32 chip backdoor. Espressif clarifies that the reported functionality is internal debug commands for testing, not remotely accessible via Bluetooth, radio, or internet. These commands pose no security risk by themselves, though Espressif will provide a software fix to remove them. Only ESP32 chips are affected; ESP32-C, ESP32-S, and ESP32-H series are not. Espressif thanks the security researchers for their responsible disclosure.

Hardware

ESP32 Bluetooth Controller 'Backdoor': A False Alarm?

2025-03-11

Recent concerns have emerged regarding a potential "backdoor" or "undocumented features" in the ESP32 Bluetooth controller. Espressif has responded, stating that the so-called "undocumented HCI commands" are solely for debugging purposes and do not pose a security threat. These commands assist in debugging (e.g., read/write RAM, memory-mapped flash read, send/receive packets), and don't play an active role in standard Bluetooth host stack (like NimBLE or Bluedroid) HCI communication. In ESP32, the controller and host run on the same MCU, communicating via a virtual HCI layer. Any code accessing this layer must execute on the ESP32 with full privileges. Therefore, unless the application itself has vulnerabilities, these undocumented commands cannot be exploited. Espressif will provide a software patch to remove access to these debug commands and will document all vendor-specific HCI commands for greater transparency.

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