me_cleaner
coreboot
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me_cleaner | coreboot | |
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97 | 92 | |
4,352 | 2,072 | |
- | 2.3% | |
0.0 | 10.0 | |
over 1 year ago | 3 days ago | |
Python | C | |
GNU General Public License v3.0 only | GNU General Public License v3.0 only |
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me_cleaner
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Power issue with my X250. Time to upgrade? (more info in comments)
Some times Intel version of Lenovo have a problem with Intel ME , check this out. LINK
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System76's Coreboot Open Firmware Manages to Disable Intel Me for Raptor Lake
Yes; there are several ways, depending heavily on the version, and ranging from most trustworthy to least trustworthy:
* By patching the ME firmware itself - see the me_cleaner project, and methods documented here: https://puri.sm/posts/deep-dive-into-intel-me-disablement/ . This is Pretty Reliable; the runtime code has been deleted from flash.
* By setting a bit in the flash configuration, assumed to be added for the US High Assurance program: https://github.com/corna/me_cleaner/wiki/HAP-AltMeDisable-bi... , https://www.ptsecurity.com/ww-en/analytics/disabling-intel-m... . This is Mostly Reliable; the mechanism has been fairly aggressively reverse engineered and was added for a program with strict requirements.
* By sending an HECI command that says "hey ME, turn off your runtime" https://review.coreboot.org/c/coreboot/+/52800 . This is Somewhat Reliable; the method is well understood and seems to work but I'm not sure someone has done a deep dive audit into whether it could be re-enabled somehow.
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Modern CPUs have a backstage cast
"...this is interesting is because POWER9 is basically the first time the public got a real view of how sophisticated the backstage cast actually is of a modern server CPU."
Not quite correct; the OpenSPARC T1 and T2 were publicly released and available by 2008.
https://www.oracle.com/servers/technologies/opensparc.html
"Large parts of this process are handled by vendor-supplied mystery firmware blobs, which may as well be boxes with “???” written in them.
The maintainers of the me_cleaner script likely have the clearest view of what is known.
https://github.com/corna/me_cleaner
- What is the most trusted hardware most OpenBSD people would suggest?
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Let's find our next HW wallet
Your dedicated laptop with disabled Intel ME running OpenBSD might be the gold standard choice for your hardware wallet. Main discussion here.
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Laptop with deactivated Intel ME running OpenBSD as a hardware wallet for top cryptos
I consider a dedicated laptop with deactivated Intel ME running OpenBSD (maybe from USB flash) can be a much secure alternative to a proprietary hardware wallet connected to your casual multi-purpose laptop.
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On Intel ME
On a side note, if Intel has made it this hard to disable Intel ME, is the US government happy with this change? It was them who got the HAP bit part working, and I do not see any news suggesting they have another trick to disable Intel ME. Should I just assume that this still works? Has anybody here tried? And does me_cleaner still work (last updated in 2018: https://github.com/corna/me_cleaner)?
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I ordered my first laptop from System76. I'm so excited
This is incorrect. Intel ME has an internal disablement mechanism: https://github.com/corna/me_cleaner/wiki/HAP-AltMeDisable-bit this is the mechanism that it used by S76 and Purism.
- linux and tails compromised? if this is real we lost all privacy. found it on twitter
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Why I Use Old Hardware
If you are sensitive about the Intel Management Engine, the original Core 2 Duo/Quad systems are the last where it could be fully disabled.
Anything later will forcibly shut down after 30 minutes if (at least a fragment of) Intel's closed & bug-ridden monitoring code is not present.
I ran me_cleaner on a few of these systems, and I do all my finances with them running OpenBSD (usually on q9550s).
Yes, this effort to run old hardware is worth it for me. Below are the bios images that I was able to produce:
https://github.com/corna/me_cleaner/issues/233
coreboot
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Chromebooks will get 10 years of automatic updates
Why BIOS (did you mean UEFI?) when it runs the best boot loader, which is Coreboot¹. Many users would love to re-flash their bios/uefi for it, if it’s supported.
1: https://www.coreboot.org/
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C++ is everywhere, but noone really talks about it. What are people's thoughts?
Coreboot is 0.6% C++.
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Laptops with best Linux support (latest gen, battery life, performance)?
NovaCustom ; some models come with Dasharo a coreboot distribution.
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Asus flip c302 last update
You can also use Mr. Chromebox Script to install Coreboot on your chromebook to get a UEFI BIOS on your Chromebook and then you can go an install either a linux distro or even Windows if you want. It's a pretty straightforward process and also reversable if you want to go back to just using ChromeOS.
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A Linux laptop under 1350€
Some models are available with Dasharo a [coreboot]https://www.coreboot.org/) distribution.
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why no haswell_ult_dmi_registers for broadwell? in https://github.com/coreboot/coreboot/blob/master/util/inteltool/pcie.c
why no haswell_ult_dmi_registers for broadwell? in https://github.com/coreboot/coreboot/blob/master/util/inteltool/pcie.c
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Having issues restoring the firmware with u/MrChromebox's utility
use croshfirmware.sh from https://github.com/coreboot/coreboot/tree/master/util/chromeos
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AMD to move to open source firmware in 2026
There may be other protections to restrict SPI flash access for security reasons (so you might not be able to flash your custom firmware in the OS), but worst case you can use a HW flasher (or maybe USB flashback). Still, this doesn't address the elephant in the room - platform initialization code might be open-sourced, but that isn't everything. You'll still need to figure out the board-specific stuff (the Super I/O chip, chipset GPIOs, other peripherals, etc.). Using coreboot as an example, Intel provides the Firmware Support Package blob to handle platform initialization. I think AGESA is somewhat similar to this, though Intel publicly releases the binaries for use in coreboot/etc. Thanks to the FSP, coreboot has support for recent Intel chipsets. However, there is only support for two recent consumer boards: the MSI PRO Z690-A WiFi DDR4 and DDR5.
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what is VCU (Validation Control Unit) mailbox in haswell nri
does anyone know what is https://github.com/coreboot/coreboot/blob/b12caef23bc1b29c2e658f2b728cc4beac1e62b9/src/northbridge/intel/haswell/vcu_mailbox.c
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Need stock ROM for Acer Chromebook CB314 - DROID
Download crosfirmware.sh and run it from command line: bash crosfirmware.sh droid
What are some alternatives?
firmware-open - System76 Open Firmware
1vyrain - LiveUSB Bootable exploit chain to unlock all features of xx30 ThinkPad machines. WiFi Whitelist, Advanced Menu, Overclocking.
thinkpad-firmware-patches - Collection of ThinkPad UEFI patches.
edk2 - EDK II
t430-coreboot - coreboot rom for thinkpad t430
u-boot - "Das U-Boot" Source Tree
coreboot - DEPRECATED: coreboot on the w541. See link below.
UEFITool - UEFI firmware image viewer and editor
cadmium - [Moved to: https://github.com/Maccraft123/Cadmium]
OpenCore-Install-Guide - Repo for the OpenCore Install Guide
thepyphone - Voice and SMS/MMS on a Raspberry Pi 3B+