T420 passive heatsink plate initial concept investigation test images. See comments and other post for more info. Information only; not engineering advice.

This page summarizes the projects mentioned and recommended in the original post on /r/thinkpad

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  • 1vyrain

    LiveUSB Bootable exploit chain to unlock all features of xx30 ThinkPad machines. WiFi Whitelist, Advanced Menu, Overclocking.

    • if you want to install https://github.com/lynxis/thinkpad-ec so that you can use a *20 keyboard and a *20 battery on *30 or if you want to prepare to that with https://github.com/n4ru/IVprep/ or if you want to install https://github.com/n4ru/1vyrain after that to gain more options in BIOS and/or be able to use non-Lenovo-approved Wi-Fi card - you don't need a hardware flasher; you don't need it for either of these 3 projects; all 3 use normal software flashing; I also understand all 3 are fairly safe to use; lots of people have used them and I haven't seen much complains

  • thinkpad-ec

    Infrastructure for examining and patching Thinkpad embedded controller firmware

    • Ah btw you will need https://github.com/hamishcoleman/thinkpad-ec anyway to make a *30 motherboard to charge a *20 battery. That is also done via a EC firmware tweak. So you flash a special version of BIOS with that that has a special version of EC firmware - and you then can use *20 keyboard with *30 motherboard and that motherboard agrees to charge *20 batteries.

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  • thinkpad-ec

    Infrastructure for patching x230 and similar Thinkpad embedded controller firmware (by lynxis)

    • if you want to install https://github.com/lynxis/thinkpad-ec so that you can use a *20 keyboard and a *20 battery on *30 or if you want to prepare to that with https://github.com/n4ru/IVprep/ or if you want to install https://github.com/n4ru/1vyrain after that to gain more options in BIOS and/or be able to use non-Lenovo-approved Wi-Fi card - you don't need a hardware flasher; you don't need it for either of these 3 projects; all 3 use normal software flashing; I also understand all 3 are fairly safe to use; lots of people have used them and I haven't seen much complains

  • IVprep

    Downgrade any xx30 series ThinkPad to an 1vyrain compatible BIOS version.

    • if you want to install https://github.com/lynxis/thinkpad-ec so that you can use a *20 keyboard and a *20 battery on *30 or if you want to prepare to that with https://github.com/n4ru/IVprep/ or if you want to install https://github.com/n4ru/1vyrain after that to gain more options in BIOS and/or be able to use non-Lenovo-approved Wi-Fi card - you don't need a hardware flasher; you don't need it for either of these 3 projects; all 3 use normal software flashing; I also understand all 3 are fairly safe to use; lots of people have used them and I haven't seen much complains

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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