Jonathon Hall – Purism https://puri.sm/ High-quality computers that protect your freedom and privacy Wed, 01 Oct 2025 18:29:47 +0000 en-US hourly 1 https://wordpress.org/?v=4.9.28 https://puri.sm/wp-content/uploads/2020/04/cropped-purism-logo-rectangle-1-32x32.png Jonathon Hall – Purism https://puri.sm/ 32 32 PureOS Crimson Development Report: November 2024 https://puri.sm/posts/pureos-crimson-development-report-november-2024/ Mon, 16 Dec 2024 15:09:48 +0000 https://puri.sm/?p=82668 Welcome back!  Since our first report, this is now our fifth installment.  We appreciate our community's feedback about these updates, and we are happy to continue providing them!

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]]> Purism’s PureBoot is Not Affected by UEFI Key Leaks (Again) https://puri.sm/posts/purisms-pureboot-is-not-affected-by-uefi-key-leaks-again/ Mon, 29 Jul 2024 15:48:11 +0000 https://puri.sm/?p=82248 As Ars Technica, Binarly, and others have reported, UEFI Secure Boot on at least 200 device models from at least 5 major vendors is completely compromised by the leak of their Platform Key.  We've discussed Secure Boot insecurity before, and it is unlikely that these devices will ever see updates addressing this problem [...]

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]]> From the Hackdesk: Librem 16 https://puri.sm/posts/from-the-hackdesk-librem-16/ Thu, 30 May 2024 21:20:42 +0000 https://puri.sm/?p=81812 Today, I’m excited to introduce the prototypes for our latest product, the Librem 16: We’re polishing the details on the Librem 16 design, which carries signature features from Purism as well as many new improvements. The Librem 16 features a backlit keyboard, RGB notification LED, and killswitches for the camera/microphone and Wi-Fi/Bluetooth, just like the […]

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]]> Unexplained Potatoes https://puri.sm/posts/unexplained-potatoes/ Mon, 22 Apr 2024 17:49:47 +0000 https://puri.sm/?p=81659 Did you say Idaho Potatoes? Earlier this week, I was at a wedding, talking to a friend.  She asked if I’d ever been on a cruise – I have, once, years ago, and I proceeded to tell her the story of a couple from Idaho that we ate dinner with every night on the cruise. […]

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]]> PureBoot Not Vulnerable to UEFI Exploits (Again) https://puri.sm/posts/pureboot-not-vulnerable-to-uefi-exploits-again/ Mon, 11 Dec 2023 16:16:48 +0000 https://puri.sm/?p=80949 LogoFAIL: Subverting UEFI Secure Boot The Binarly Research Team recently presented LogoFAIL, a new exploit defeating UEFI Secure Boot. In short, an attacker with access to the hard disk of a UEFI system could gain firmware-level control over the computer, even on a device using UEFI Secure Boot.  LogoFAIL appears to affect most UEFI implementations. […]

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]]> 3D Print a Modular Librem 11 Back Cover https://puri.sm/posts/3d-print-a-modular-librem-11-back-cover/ Tue, 05 Dec 2023 14:59:34 +0000 https://puri.sm/?p=80832 Take Control Purism makes products that put you, the customer, in control. Generally, Librem devices are easy to disassemble for access to their internals. For the Librem 11, our focus in the first iteration is on the interior components rather than the chassis itself, which means it has an adhesive back. If you or a […]

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]]> Intel AX200 Wi-Fi/Bluetooth Shipping for New Orders https://puri.sm/posts/intel-ax200-wi-fi-bluetooth-shipping-for-new-orders/ Tue, 14 Nov 2023 13:00:41 +0000 https://puri.sm/?p=80700 New orders of Librem 14 and Librem Mini v2 are now shipping with Intel AX200 Wi-Fi and Bluetooth cards, replacing the Qualcomm Atheros AR9xxx series. Like the Librem 11‘s integrated AX201, the device firmware is provided by the PureBoot Firmware Blob Jail. We made this decision with care and to promote customer control over their […]

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]]> Librem 11 Memory Adventures https://puri.sm/posts/librem-11-memory-adventures/ Wed, 27 Sep 2023 13:04:42 +0000 https://puri.sm/?p=80511 A Recent Memory When I started porting coreboot to the Librem 11, one of the first few tasks was to get memory working. Like the Librem 5, the Librem 11 has soldered memory (“memory down”).  This has implications on the firmware.  Socketed memory carries a small SPD EEPROM with information about the memory module.  Memory […]

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]]> PureBoot 28 – Upstreaming and Upscaling https://puri.sm/posts/pureboot-28-upstreaming-and-upscaling/ Mon, 11 Sep 2023 12:24:25 +0000 https://puri.sm/?p=80283 We have released PureBoot 28 with many improvements, particularly for high resolution displays.  Prior-generation devices like Librem Mini v1 and Librem 15v4 improved as well. Update now using our update instructions! In addition, we have been working to upstream PureBoot’s functionality back into Heads. Purism works with upstream projects rather than carrying patches downstream to […]

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]]> Stay Safe from BMC Tampering https://puri.sm/posts/stay-safe-from-bmc-tampering/ Mon, 24 Jul 2023 07:12:45 +0000 https://puri.sm/?p=80053 Through June and July, AMI MegaRAC BMC firmware has been in the news owing to high-severity vulnerabilities that have existed for years but only recently come to light.  Server hardware widely contains BMCs, and compromising one can give near-total control over the server.  Many vendors shipped this firmware with their own branding. But what exactly […]

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]]> PureBoot Framebuffer Boot Support https://puri.sm/posts/pureboot-framebuffer-boot-support/ Wed, 05 Jul 2023 13:00:46 +0000 https://puri.sm/?p=79869 The latest release of PureBoot, Release 27, now boots memtest86+, Debian netinst, and other OSes that rely on framebuffer output! We worked with the Heads team to implement this change upstream, and it is now in our latest release. Update your firmware with our update instructions! If you’ve ever tried to boot from PureBoot, and […]

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]]> Protect Infrastructure with Librem L1UM v2 (Press Release) https://puri.sm/posts/protect-infrastructure-with-librem-l1um-v2-press-release/ Thu, 27 Apr 2023 18:58:34 +0000 https://puri.sm/?p=79187 FOR IMMEDIATE RELEASE- Purism has added a new model to the Librem L1UM product line with new hardware designed to protect infrastructure, including critical infrastructure. There are numerous threats posed by nation-state hackers, criminal organizations, and bad actors who are constantly exploiting vulnerabilities within networks that operate critical infrastructure posing numerous security, privacy, and safety […]

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]]> New Automatic Power-On firmware for Librem Mini https://puri.sm/posts/new-automatic-power-on-firmware-for-librem-mini/ Wed, 29 Mar 2023 15:27:43 +0000 https://puri.sm/?p=77648 Our latest coreboot/SeaBIOS and PureBoot releases bring new firmware configurations for the Librem Mini v1 and v2!  Many users use the Librem Mini as a headless server and have asked for firmware that would boot up automatically when powered, like an appliance. Once enabled, the setting persists as long as the RTC battery is plugged […]

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]]> Meet my Friend, Jack https://puri.sm/posts/meet-my-friend-jack/ Mon, 27 Mar 2023 15:45:30 +0000 https://puri.sm/?p=77479 It’s only been a few weeks since we last talked about Librem-EC, but here we are again!  This time instead of power management, we’re looking at the headset jack, which had two longstanding issues.  Although headphones worked, the jack detect did not, so you had to select the output manually.  Microphone input has never worked. […]

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]]> Update on Librem-EC 1.12 https://puri.sm/posts/update-on-librem-ec-1-12/ Thu, 23 Feb 2023 21:00:09 +0000 https://puri.sm/?p=77240 Librem-EC 1.12 for the Librem 14 has been released with a fix to the PL4 power limit to address sudden shutoffs that still remained in the 1.11 release.  Once again, the issue was in a subtle corner case, which we were able to identify with help from testers.  Update to 1.12 with our update instructions, […]

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]]> Librem-EC 1.11 https://puri.sm/posts/librem-ec-1-11/ Wed, 09 Nov 2022 18:35:09 +0000 https://puri.sm/?p=76155 Librem-EC 1.11 for the Librem 14 laptop includes several improvements targeting device stability and reliability.  As with our previous posts on the EC, it has been quite an adventure investigating corner cases!  Update to this release with our update instructions, and as always the source code is available. Battery Power Limits Despite several EC releases addressing […]

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]]> How We Fixed Reboot Loops on the Librem Mini https://puri.sm/posts/how-we-fixed-reboot-loops-on-the-librem-mini/ Thu, 22 Sep 2022 14:11:37 +0000 https://puri.sm/?p=75968 Firmware debugging is uniquely challenging, because most conventional software debugging tools aren’t available.  With coreboot’s specialized tooling, support from the amazing community, and a little bit of creativity, we fixed a regression in coreboot 4.17 that caused reboot loops on the Librem Mini. When coreboot makes a new release, I rebase our Librem-specific patches onto […]

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