80 lines
2.9 KiB
Markdown
80 lines
2.9 KiB
Markdown
---
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title: ThinkPad X230/X230T external flashing
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x-toc-enable: true
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...
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**[PLEASE READ THESE INSTRUCTIONS BEFORE INSTALLING](../../news/safety.md),
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OR YOU MIGHT BRICK YOUR MACHINE: [SAFETY PRECAUTIONS](../../news/safety.md)**
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NOTE: Internal flashing (from vendor firmware) to Libreboot is possible, on
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this board, but the steps are a bit more complex than using an external flasher.
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See: [internal ivybridge flashing](ivy_internal.md)
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Read the [Ivybridge/Haswell common guide](ivy_has_common.md) if you want more information.
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All of the following instructions assume that you've cloned lbmk and are operating from the
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root of that project. To do so, run
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git clone https://codeberg.org/libreboot/lbmk
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cd lbmk
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You can now follow the rest of the instructions.
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Preparing a release Rom
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-----------------------
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You must patch the release rom with the necessary vendor files *and then* flash it to your board.
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Lbmk includes a script that will automatically inject the necessary files into a rom image.
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The script can determine the board automatically if you have not changed the name, but you can also manually set the board name with the `-b` flag.
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In order to inject the necessary files into a rom image, run the script from the root of lbmk and point to the rom image.
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Run the injection script pointing to the release archive you downloaded:
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./vendor inject /path/to/libreboot-20230319-18-g9f76c92_t440_12mb.tar.xz
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The script can automatically detect the board as long as you do not change the file name.
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You can then find flash-ready ROMs in `/bin/release/`
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Alternatively, you may patch only a single rom file.
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For example:
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./vendor inject -r x230_libreboot.rom -b x230_12mb
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Optionally, you can use this script to modify the mac address of the rom with the `-m` flag.
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For example:
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./vendor inject -r x230_libreboot.rom -b x230_12mb -m 00:f6:f0:40:71:fd
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NOTE: this makes use of `nvmutil`, which you can read more about in
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the [nvmutil documentation](nvmutil.md).
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Splitting The Rom
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-----------------
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You can use `dd` to easily split your rom into the two separate portions for
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external flashing.
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dd if=libreboot.rom of=top.rom bs=1M skip=8
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dd if=libreboot.rom of=bottom.rom bs=1M count=8
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Flash the top chip with top.rom, and tho bottom chip with bottom.rom.
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Don't worry about knowing which chip is which on a standard setup; flashrom will let you know if the
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image size is incorrect for the chip you're flashing.
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Disassembly
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-----------
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Start by removing the battery.
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Remove every screw from the bottom of the machine marked with a keyboard/touchpad indicator.
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Pry up the keyboard and separate it from the palmrest.
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Unplug the ribbon cable from the palmrest and pry it off as well.
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Pull up the protective cover to reveal the two soic chips for flashing.
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