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Help with corebooting T440p
▲ 3 r/coreboot

Help with corebooting T440p

Hello! First I have T440p with 2.31 Bios installed. After some days with experimenting with coreboot 26.03 installation I was able to boot in system but I Have several issues:

  • Sleep mode broken, cant wake up.
  • Internal speakers makes some noise.

Then I used: ./cbmem -1 and in logs have some errors:

  • [INFO ] SF: Detected 00 0000 with sector size 0x1000, total 0x2800000
  • [ERROR] SF size 0x2800000 does not correspond to CONFIG_ROM_SIZE 0xc00000!!
  • [CRIT ] intel_me_path: mbp is not ready!
  • [NOTE ] ME: BIOS path: Error
  • [ERROR] ME: MBP not ready

The coreboot working only with stripped down Intel ME, when I trying leave ME unchanged, notebook dont boot just black screen and nothing.

I tried to revert at stock bios and updating it to last version(2.56), deleted all admin passwords from bios, dumped bios and build coreboot from it again and nothing changed.

Here output from ME Analyzer, the updated bios(2.56):

╔═══════════════════════════════════════════╗
║         ME Analyzer v1.311.0 r377         ║
╚═══════════════════════════════════════════╝

╔═════════════════════════════════════════════════════╗
║           t440p-original_updated.rom (1/1)          ║
╟────────────────────────────────────┬────────────────╢
║               Family               │       ME       ║
╟────────────────────────────────────┼────────────────╢
║              Version               │  9.1.20.1035   ║
╟────────────────────────────────────┼────────────────╢
║              Release               │   Production   ║
╟────────────────────────────────────┼────────────────╢
║                Type                │   Extracted    ║
╟────────────────────────────────────┼────────────────╢
║                SKU                 │      5MB       ║
╟────────────────────────────────────┼────────────────╢
║    TCB Security Version Number     │       1        ║
╟────────────────────────────────────┼────────────────╢
║       Version Control Number       │       11       ║
╟────────────────────────────────────┼────────────────╢
║          Production Ready          │      Yes       ║
╟────────────────────────────────────┼────────────────╢
║                Date                │   2014-09-22   ║
╟────────────────────────────────────┼────────────────╢
║                Size                │    0x4CA000    ║
╟────────────────────────────────────┼────────────────╢
║          Flash Image Tool          │  9.1.10.1000   ║
╟────────────────────────────────────┼────────────────╢
║          Chipset Support           │    LPT/WPT     ║
╚════════════════════════════════════╧════════════════╝

I am doing something wrong? or some ME bug here?

u/Next_Education3803 — 1 day ago
▲ 8 r/coreboot

Is it Possible to install "Coreboot/Libreboot" on a "Chuwi Minibook X"

is it possible to install Coreboot/Libreboot on a "Chuwi Minibook X"

because I see devices with the same Processor (the Intel N150) that can run Coreboot/Libreboot on it.

but I can't find a lot information in general about Coreboot or Libreboot and what device it supported. so that why I ask it here maby you know?

u/A113rt — 2 days ago
▲ 2 r/coreboot

Arduino board with 3.3v GPIOs but chip to flash is 1.8v

What's the easiest way to do it without spending much money? I have jumper cables that fit both ends, but not sure what I can put in-between. It's 8 pins on each side.

This has to be done without the computer being powered on.

I saw a 3.3v to 1.8v adaptor that people use with CH341A but it looks like junk. On the other hand, I am not willing to spend a lot of money for something that I should be able to do with my little arduino or an esp32.

Help please! Thank you 😄

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u/FastHotEmu — 3 days ago
▲ 2 r/coreboot

Has anyone here ever port a laptop to coreboot or libreboot? How did you get into it?

I have a Monster abra A5 V16.7 laptop, its a turkish laptop that uses 6-71-NH5K0-D02A NH50HKMB-0C clevo motherboard. It has boot guard on bur after a little bir of research i found that there are leaked keys of clevo laptops, and gigabytes G5 models with the same motherboard as my laptop. I tried a few boot guard keys and one matched with the one on my stock bios. I first thought about just using me cleaner and resigning but I do want to coreboot it. I also think it would be a great learning opportunity.

Are there any websites, blogs, forums etc, I can use to learn what I should do? I've never written firmware level code but I do know that clevo is popular in tbe coreboot community so I should find some code that I can use/refrence. But Im not sure which models share the same structure as this one.

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u/DetectiveExpress519 — 5 days ago
▲ 3 r/coreboot

U-boot on HP 8200 SFF PC can boot UEFI without any config! But couldn't boot without plugging it to a monitor

I can't believe it to be this good. It just even recognizes the random mechanical keyboard I had, not just some PS2 keyboard or something. It just booted UEFI disk immediately without any prior setting up! But it won't boot without plugging it to a monitor. Also there is no saveenv command like ARM U-boot

u/Emre-Y — 5 days ago
▲ 2 r/coreboot

trying to install coreboot on my macbook pro 10,1, getting build.py error 5000 when trying to compile

I already have the coreboot toolchain built and everything, ive tried building coreboot like 500 times and it just doesnt work for some reason, i even tried compiling it on my other laptop and i got the same issue
please help

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u/AfternoonOk7784 — 9 days ago
▲ 1 r/coreboot

Has anyone gotten an ivybridge CPU working on a Thinkpad T420 with libreboot?

I don't want to have to deal with installing coreboot and would rather have everything set up for me and in theory libgfxinit should work fine on libreboot and I have seen people run ivybridge cpu's on the T420 using coreboot and libgfxinit, but the only post I was able to find of someone trying to use a librebooted T420 with an ivybridge CPU claimed they were having graphical issues. I am planning to install an i7-3632QM. Any help would be greatly appreciated.

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u/Fragrant_Young6530 — 12 days ago
▲ 0 r/coreboot

Macbook M1/M2 series do you think it will be possible to coreboot them?

I just love those ARM machines so much. Would we be able to coreboot them in future?

reddit.com
u/cryptobread93 — 12 days ago