![]() ![]() The Installation process described on this page tries to cover the method of installing Arch Linux on models without SeaBIOS by flashing a custom firmware.Īll Chrome OS devices features firmware write protection, which restricts write access to certain regions of the flash chip. Take the ChrUbuntu approach which uses the Chrome OS kernel and modules.This is the Modify ROM to run SeaBIOS exclusively option in John Lewis' flash_chromebook_rom.sh script and Flash BOOT_STUB firmware option in MrChromebox's. This is theoretically a safer approach than flashing the full firmware but there might be some limitations (e.g. This method replaces the stock ChromeOS payload (depthcharge) with SeaBIOS. Flash the BOOT_STUB part of the firmware.Flash a full custom firmware which includes either a SeaBIOS or UEFI payload, and removes all the ChromeOS-specific parts.The easiest way to install/update the RW_LEGACY firmware on your ChromeOS device is via MrChromebox's Firmware Utility Script, which supports the widest range of devices and offers the most up-to-date SeaBIOS builds one can also update the RW_LEGACY firmware manually with Chrome OS' flashrom (requires downloading/compiling your own build), or use John Lewis' flash_chromebook_rom.sh script (no longer supported). ![]() This is 100% safe, as it writes to a user-writeable area of the firmware image which is completely separate from/does not affect ChromeOS. ![]()
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