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Nvidia RTX Spark laptops go on sale from Asus, HP, Microsoft, Lenovo and Dell

Nvidia's RTX Spark chip is now shipping in laptops from multiple manufacturers, with prices starting at $2,599 for a 24GB Asus ProArt P14 at Best Buy. Configurations scale up to 128GB of unified memory, with models like the Asus ProArt P16 reaching nearly $7,000 and HP's OmniBook line topping out around $5,300. Microsoft's new Surface Laptop Ultra with 48GB of memory is also among the initial retail offerings.

Researchers detail hardware-level firmware extraction of Eufy HomeBase 2

A security research team documented their process of dumping and analyzing firmware (version 3.4.2.2h) from the Eufy HomeBase 2 device, following up on earlier work examining a Eufy doorbell. Because the HomeBase's flash chip was soldered directly to the board with no exposed test pins, the researchers used spring clips and a Raspberry Pi to physically read the Winbond flash memory chip.

Researchers find 37-year-old OpenBSD kernel bug enabling root privilege escalation

Security firm Calif reported a decades-old integer overflow bug in OpenBSD's shared memory attachment counter, tracing back to original BSD source code. Combined with a separate out-of-bounds write flaw, attackers could exploit a race condition to achieve local root access even with protections like KARL, SMAP, and SMEP enabled. OpenBSD has since patched both issues through errata 026 and 018.

Microsoft touts up to 20% faster Windows 11 and memory gains for 8GB PCs

Microsoft says a new Windows 11 update improves responsiveness in Search, Start, Settings, File Explorer and other tools by up to 20%, based on internal comparisons between build 26300.9550 and build 26200.7628. On systems with 8GB of RAM or less, Windows now delays loading Widgets until opened, freeing over 200MB of memory, and the OS can hold up to 2GB more active data in RAM before offloading it to storage. The update also speeds up Windows Hello sign-in and Bluetooth pairing, including faster AirPods connections, while a redesigned Search experience is being tested with Windows Insiders.

Mouse study links Pla2g2f enzyme to preserved memory in old age

Researchers at Massachusetts General Hospital found that a phospholipase enzyme called Pla2g2f rises with age in mouse hippocampal cells and is associated with lower brain inflammation and healthier neuron connections. Mice engineered to lack the gene showed increased inflammation and neuron degradation with age, while mice with excess amounts had less inflammation and performed better on spatial memory tests. The findings, published October 15 in Nature Neuroscience, also drew on human and cell-based data.

Apple narrows gap with Samsung as global smartphone shipments drop 22% in Q3 2026

IDC's preliminary Q3 2026 data shows global smartphone shipments fell 22% year-over-year, driven largely by a memory chip shortage that has pushed component costs up roughly 350% since last year. Samsung led with 57.8 million units shipped (22.6% share), just ahead of Apple's 57.3 million, as Apple's iPhone shipments fell only 4%—the smallest decline among top vendors—narrowing the gap to 500,000 units and 0.2 percentage points.

Microsoft touts Windows 11 memory and performance upgrades for 8GB PCs

Microsoft says recent Windows 11 updates have improved memory management and cut background resource use, making the OS up to 20% more responsive, with the biggest gains on machines with 8GB of RAM or less. Changes include freeing over 200MB of memory by deferring Widgets loading, letting the OS retain up to 2GB more active data before swapping to disk, faster Windows Hello sign-in, quicker Bluetooth pairing, a less disruptive Windows Update process, and a taskbar that can now be repositioned. A new, faster Windows Search is currently testing with Insiders ahead of a broader rollout later this year.

Memtest86+ adds ARM64 support and USB report saving in latest update

The open-source memory testing tool Memtest86+ now runs on ARM64 systems with UEFI and ACPI, tested on Qualcomm Snapdragon X laptops, Raspberry Pi 4 and 5 with community firmware, and QEMU. The update also lets users save full test reports to a FAT32 USB drive via F6, introduces a new bus stress test for DDR5+ systems, and reworks test algorithms with SIMD instructions for faster, more thorough error detection.

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