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% Libreboot release information

Updated versions of libreboot can be found at libreboot.org.

Old releases

See archive_old.html for information about older libreboot releases.

Libreboot 20160907 {#release20160907}

Release date: 7th September 2016

For existing boards, there are no new board specific changes.

This release adds one new mainboard to libreboot:

  • Intel D945GCLF desktop motherboard (thanks to Arthur Heymans)

Other bugfixes:

  • Various improvements to the documentation
  • re-added "unset superusers" to the grub.cfg, which was needed for some users depending on the distros that they used

Libreboot 20160902 {#release20160922}

Release date: 2nd September 2016.

This fixes build issues in the previous 20160818 release. See change log for details.

Libreboot 20160818 {#release20160818}

Release date: 18th August 2016.

Installation instructions can be found at docs/install/. Building instructions (for source code) can be found at docs/git/#build.

Machines supported in this release:

  • ASUS Chromebook C201
    • Check notes in docs/hcl/c201.html
  • Gigabyte GA-G41M-ES2L desktop motherboard
    • Check notes in docs/hcl/ga-g41m-es2l.html
  • Intel D510MO desktop motherboard
    • Check notes in docs/hcl/d510mo.html
  • Intel D945GCLF desktop motherboard
    • Check notes in docs/hcl/d945gclf.html
  • Apple iMac 5,2
    • Check notes in docs/hcl/imac52.html
  • ASUS KFSN4-DRE server board
    • PCB revision 1.05G is the best version (can use 6-core CPUs)
    • Check notes in docs/hcl/kfsn4-dre.html
  • ASUS KGPE-D16 server board
    • Check notes in docs/hcl/kgpe-d16.html
  • ASUS KCMA-D8 desktop/workstation board
    • Check notes in docs/hcl/kcma-d8.html
  • ThinkPad X60/X60s
    • You can also remove the motherboard from an X61/X61s and replace it with an X60/X60s motherboard. An X60 Tablet motherboard will also fit inside an X60/X60s.
  • ThinkPad X60 Tablet (1024x768 and 1400x1050) with digitizer support
    • See docs/hcl/#supported_x60t_list for list of supported LCD panels
    • It is unknown whether an X61 Tablet can have it's mainboard replaced with an X60 Tablet motherboard.
  • ThinkPad T60 (Intel GPU) (there are issues; see below):
    • See notes below for exceptions, and docs/hcl/#supported_t60_list for known working LCD panels.
    • It is unknown whether a T61 can have it's mainboard replaced with a T60 motherboard.
    • See docs/future/#t60_cpu_microcode.
    • T60P (and T60 laptops with ATI GPU) will likely never be supported: docs/hcl/#t60_ati_intel
  • ThinkPad X200
    • X200S and X200 Tablet are also supported, conditionally; see docs/hcl/x200.html#x200s
    • ME/AMT: libreboot removes this, permanently. docs/hcl/gm45_remove_me.html
  • ThinkPad R400
    • See docs/hcl/r400.html
    • ME/AMT: libreboot removes this, permanently. docs/hcl/gm45_remove_me.html
  • ThinkPad T400
    • See docs/hcl/t400.html
    • ME/AMT: libreboot removes this, permanently. docs/hcl/gm45_remove_me.html
  • ThinkPad T500
    • See docs/hcl/t500.html
    • ME/AMT: libreboot removes this, permanently. docs/hcl/gm45_remove_me.html
  • Apple MacBook1,1 (MA255LL/A, MA254LL/A, MA472LL/A)
    • See docs/hcl/#macbook11.
  • Apple MacBook2,1 (MA699LL/A, MA701LL/A, MB061LL/A, MA700LL/A, MB063LL/A, MB062LL/A)
    • See docs/hcl/#macbook21.

Changes for this release, relative to r20150518 (earliest changes last, recent changes first)

  • NEW BOARDS ADDED:
    • ASUS Chromebook C201 (ARM laptop) (thanks to Paul Kocialkowski)
    • Gigabyte GA-G41M-ES2L motherboard (desktop) (thanks to Damien Zammit)
    • Intel D510MO motherboard (desktop) (thanks to Damien Zammit)
    • ASUS KCMA-D8 motherboard (desktop) (thanks to Timothy Pearson)
    • ASUS KFSN4-DRE motherboard (server) (thanks to Timothy Pearson)
    • ASUS KGPE-D16 motherboard (server) (thanks to Timothy Pearson)

For details development history on these boards, refer to the git log and documentation.

For boards previously supported, many fixes from upstream have been merged.

Other changes (compared to libreboot 20150518), for libreboot in general or for previously supported systems: (this is a summary. For more detailed change list, refer to the git log)

256MiB VRAM allocated on GM45 (X200, T400, T500, R400) instead of 32MiB. This is an improvement over both Lenovo BIOS and Libreboot 20150518, allowing video decoding at 1080p to be smoother. (thanks Arthur Heymans) To clarify, GM45 video performance in libreboot 20160818 is better than on the original BIOS and the previous libreboot release.

64MiB VRAM on i945 (X60, T60, MacBook2,1) now supported in coreboot-libre, and used by default (in the previous release, it was 8MiB allocated). Thanks to Arthur Heymans.

Higher battery life on GM45 (X200, T400, T500, R400) due to higher cstates now being supported (thanks Arthur Heymans). C4 power states also supported.

Higher battery life on i945 (X60, T60, MacBook2,1) due to better CPU C-state settings. (Deep C4, Dynamicl L2 shrinking, C2E).

Text mode on GM45 (X200, T400, T500, R400) now works, making it possible to use MemTest86+ comfortably. (thanks to Nick High from coreboot)

Dual channel LVDS displays on GM45 (T400, T500) are now automatically detected in coreboot-libre. (thanks Vladimir Serbinenko from coreboot)

Partial fix in coreboot-libre for GRUB display on GM45, for dual channel LVDS higher resolution LCD panels (T400, T500). (thanks Arthur Heymans)

Massively improved GRUB configuration, making it easier to boot more encrypted systems automatically, and generally a more useful menu for booting the system (thanks go to Klemens Nanni of the autoboot project). Libreboot now uses the grub.cfg provided by the installed GNU+Linux distribution automatically, if present, switching to that configuration. This is done across many partitions, where libreboot actively searches for a configuration file (also on LVM volumes and encrypted volumes). This should make libreboot more easy to use for non-technical users, without having to modify the GRUB configuration used in libreboot.

Utilities archives is now source only. You will need to compile the packages in there (build scripts included, and a script for installing build dependencies). (binary utility archives are planned again in the next release, when the new build system is merged)

SeaGRUB is now the default payload on all x86 boards. (SeaBIOS configured to load a compressed GRUB payload from CBFS immediately, without providing an interface in SeaBIOS. This way, GRUB is still used but now BIOS services are available, so you get the best of both worlds). Thanks go to Timothy Pearson of coreboot for this idea.

crossgcc is now downloaded and built as a separate module to coreboot-libre, with a universal revision used to build all boards.

Individual boards now have their own coreboot revision and patches, independently of each other board. This makes maintenance easier.

Updated all utilities, and modules (coreboot, GRUB, etc) to newer versions, with various bugfixes and improvements upstream.

RTC century byte issue now fixed on GM45 in coreboot-libre, so the date should now be correctly displayed when running the latest linux kernel, instead of seeing 1970-01-01 when you boot (thanks to Alexander Couzens from coreboot)

Build system now uses multiple CPU cores when building, speeding up building for some people. Manually specifying how many cores are needed is also possible, for those using the build system in a chroot environment. (thanks go to Timothy Pearson from coreboot)

In the build system (git repository), https:// is now used when cloning coreboot. http:// is used as a fallback for GRUB, if git:// fails.

New payload, the depthcharge bootloader (free bootloader maintained by Google) for use on the ASUS Chromebook C201. (thanks go to Paul Kocialkowski)

Various fixes to the ich9gen utility (e.g. flash component density is now set correctly in the descriptor, gbe-less descriptors now supported)

Copyright © 2014, 2015, 2016 Leah Rowe info@minifree.org\ Permission is granted to copy, distribute and/or modify this document under the terms of the Creative Commons Attribution-ShareAlike 4.0 International license or any later version published by Creative Commons; A copy of the license can be found at cc-by-sa-4.0.txt

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