170 lines
7.8 KiB
Markdown
170 lines
7.8 KiB
Markdown
% Libreboot 20160818 release
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% Leah Rowe
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% 18 August 2016
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This is in comparison to the Libreboot 20150518 release.
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Installation instructions can be found at `docs/install/`. Building
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instructions (for source code) can be found at `docs/git/\#build`.
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Machines supported in this release:
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-----------------------------------
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- **ASUS Chromebook C201**
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- Check notes in ***docs/hardware/c201.html***
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- **Gigabyte GA-G41M-ES2L desktop motherboard**
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- Check notes in ***docs/hardware/ga-g41m-es2l.html***
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- **Intel D510MO desktop motherboard**
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- Check notes in ***docs/hardware/d510mo.html***
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- **Intel D945GCLF desktop motherboard**
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- Check notes in ***docs/hardware/d945gclf.html***
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- **Apple iMac 5,2**
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- Check notes in ***docs/hardware/imac52.html***
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- **ASUS KFSN4-DRE server board**
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- PCB revision 1.05G is the best version (can use 6-core CPUs)
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- Check notes in ***docs/hardware/kfsn4-dre.html***
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- **ASUS KGPE-D16 server board**
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- Check notes in ***docs/hardware/kgpe-d16.html***
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- **ASUS KCMA-D8 desktop/workstation board**
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- Check notes in ***docs/hardware/kcma-d8.html***
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- **ThinkPad X60/X60s**
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- You can also remove the motherboard from an X61/X61s and replace
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it with an X60/X60s motherboard. An X60 Tablet motherboard will
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also fit inside an X60/X60s.
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- **ThinkPad X60 Tablet** (1024x768 and 1400x1050) with digitizer
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support
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- See ***docs/hardware/\#supported\_x60t\_list*** for list of supported
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LCD panels
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- It is unknown whether an X61 Tablet can have it's mainboard
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replaced with an X60 Tablet motherboard.
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- **ThinkPad T60** (Intel GPU) (there are issues; see below):
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- See notes below for exceptions, and
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***docs/hardware/\#supported\_t60\_list*** for known working LCD
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panels.
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- It is unknown whether a T61 can have it's mainboard replaced
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with a T60 motherboard.
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- See ***docs/future/\#t60\_cpu\_microcode***.
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- T60p (and T60 laptops with ATI GPU) will likely never be
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supported: ***docs/hardware/\#t60\_ati\_intel***
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- **ThinkPad X200**
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- X200S and X200 Tablet are also supported, conditionally; see
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***docs/hardware/x200.html\#x200s***
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- **ME/AMT**: libreboot removes this, permanently.
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***docs/hardware/gm45\_remove\_me.html***
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- **ThinkPad R400**
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- See ***docs/hardware/r400.html***
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- **ME/AMT**: libreboot removes this, permanently.
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***docs/hardware/gm45\_remove\_me.html***
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- **ThinkPad T400**
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- See ***docs/hardware/t400.html***
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- **ME/AMT**: libreboot removes this, permanently.
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***docs/hardware/gm45\_remove\_me.html***
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- **ThinkPad T500**
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- See ***docs/hardware/t500.html***
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- **ME/AMT**: libreboot removes this, permanently.
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***docs/hardware/gm45\_remove\_me.html***
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- **Apple MacBook1,1** (MA255LL/A, MA254LL/A, MA472LL/A)
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- See ***docs/hardware/\#macbook11***.
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- **Apple MacBook2,1** (MA699LL/A, MA701LL/A, MB061LL/A, MA700LL/A,
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MB063LL/A, MB062LL/A)
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- See ***docs/hardware/\#macbook21***.
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Changes for this release of Libreboot, relative to Libreboot version 20150518 (earliest changes are shown last and the most recent changes are shown first first)
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---------------------------------------------------------------------------------------------
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- NEW BOARDS ADDED:
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- ASUS Chromebook C201 (ARM laptop) (thanks to Paul Kocialkowski)
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- Gigabyte GA-G41M-ES2L motherboard (desktop) (thanks to Damien
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Zammit)
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- Intel D510MO motherboard (desktop) (thanks to Damien Zammit)
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- ASUS KCMA-D8 motherboard (desktop) (thanks to Timothy Pearson)
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- ASUS KFSN4-DRE motherboard (server) (thanks to Timothy Pearson)
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- ASUS KGPE-D16 motherboard (server) (thanks to Timothy Pearson)
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For details development history on these boards, refer to the git log
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and documentation.
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For boards previously supported, many fixes from upstream have been
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merged.
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Other changes (compared to libreboot 20150518), for libreboot in general
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or for previously supported systems: (this is a summary. For more
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detailed change list, refer to the git log)
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256MiB VRAM allocated on GM45 (X200, T400, T500, R400) instead of 32MiB.
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This is an improvement over both Lenovo BIOS and Libreboot 20150518,
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allowing video decoding at 1080p to be smoother. (thanks Arthur Heymans)
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To clarify, GM45 video performance in libreboot 20160818 is better than
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on the original BIOS and the previous libreboot release.
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64MiB VRAM on i945 (X60, T60, MacBook2,1) now supported in
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coreboot-libre, and used by default (in the previous release, it was
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8MiB allocated). Thanks to Arthur Heymans.
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Higher battery life on GM45 (X200, T400, T500, R400) due to higher
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cstates now being supported (thanks Arthur Heymans). C4 power states
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also supported.
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Higher battery life on i945 (X60, T60, MacBook2,1) due to better CPU
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C-state settings. (Deep C4, Dynamic L2 shrinking, C2E).
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Text mode on GM45 (X200, T400, T500, R400) now works, making it possible
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to use MemTest86+ comfortably. (thanks to Nick High from coreboot)
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Dual channel LVDS displays on GM45 (T400, T500) are now automatically
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detected in coreboot-libre. (thanks Vladimir Serbinenko from coreboot)
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Partial fix in coreboot-libre for GRUB display on GM45, for dual channel
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LVDS higher resolution LCD panels (T400, T500). (thanks Arthur Heymans)
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Massively improved GRUB configuration, making it easier to boot more
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encrypted systems automatically, and generally a more useful menu for
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booting the system (thanks go to Klemens Nanni of the autoboot project).
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Libreboot now uses the grub.cfg provided by the installed Linux
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distribution automatically, if present, switching to that configuration.
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This is done across many partitions, where libreboot actively searches
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for a configuration file (also on LVM volumes and encrypted volumes).
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This should make libreboot more easy to use for non-technical users,
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without having to modify the GRUB configuration used in libreboot.
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Utilities archives is now source only. You will need to compile the
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packages in there (build scripts included, and a script for installing
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build dependencies). (binary utility archives are planned again in the
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next release, when the new build system is merged)
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SeaGRUB is now the default payload on all x86 boards. (SeaBIOS
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configured to load a compressed GRUB payload from CBFS immediately,
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without providing an interface in SeaBIOS. This way, GRUB is still used
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but now BIOS services are available, so you get the best of both
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worlds). Thanks go to Timothy Pearson of coreboot for this idea.
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crossgcc is now downloaded and built as a separate module to
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coreboot-libre, with a universal revision used to build all boards.
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Individual boards now have their own coreboot revision and patches,
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independently of each other board. This makes maintenance easier.
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Updated all utilities, and modules (coreboot, GRUB, etc) to newer
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versions, with various bugfixes and improvements upstream.
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RTC century byte issue now fixed on GM45 in coreboot-libre, so the date
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should now be correctly displayed when running the latest linux kernel,
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instead of seeing 1970-01-01 when you boot (thanks to Alexander Couzens
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from coreboot)
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Build system now uses multiple CPU cores when building, speeding up
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building for some people. Manually specifying how many cores are needed
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is also possible, for those using the build system in a chroot
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environment. (thanks go to Timothy Pearson from coreboot)
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In the build system (git repository), https:// is now used when cloning
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coreboot. http:// is used as a fallback for GRUB, if git:// fails.
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New payload, the depthcharge bootloader (free bootloader maintained by
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Google) for use on the ASUS Chromebook C201. (thanks go to Paul
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Kocialkowski)
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Various fixes to the ich9gen utility (e.g. flash component density is
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now set correctly in the descriptor, gbe-less descriptors now supported)
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