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----
-title: ASUS Chromebook C201 
-...
-
-This is a Chromebook, using the Rockchip RK3288 SoC. It uses an ARM CPU,
-and has free EC firmware (unlike some other laptops). More RK3288-based
-laptops will be added to libreboot at a later date.
-
-Paul Kocialkowski, a [Replicant](http://www.replicant.us/) developer,
-ported this laptop to libreboot. Thank you, Paul!
-
-**More info will be added later, including build/installation
-instructions. The board is supported in libreboot, however, and has been
-confirmed to work.**
-
-Flashing instructions can be found at
-[../install/\#flashrom](../install/#flashrom)
-
--   [Google's intent with CrOS devices](#googlesintent)
--   [Considerations about ChromeOS and free operating systems](#os)
--   [Caution: Video acceleration requires a non-free blob, software
-    rendering can be used instead.](#videoblobs)
--   [Caution: WiFi requires a non-free blob, a USB dongle can be used
-    instead.](#wifiblobs)
--   [EC firmware is free software!](#ec)
--   [No microcode!](#microcode)
--   [Depthcharge payload](#depthcharge)
--   [Flash chip write protection: the screw](#thescrew)
-
-Google's intent with CrOS devices {#googlesintent}
-==================================
-
-CrOS (Chromium OS/Chrome OS) devices, such as Chromebooks, were not
-designed with the intent of bringing more freedom to users. However,
-they run with a lot of free software at the boot software and embedded
-controller levels, since free software gives Google enough flexibility
-to optimize various aspects such as boot time and most importantly, to
-implement the CrOS security system, that involves various aspects of the
-software. Google does hire a lot of Coreboot developers, who are
-generally friendly to the free software movement and try to be good
-members of the free software community, by contributing code back.
-
-CrOS devices are designed (from the factory) to actually coax the user
-into using proprietary web services (SaaSS) that invade the user's
-privacy (ChromeOS is literally just the Google Chrome browser when you
-boot up, itself proprietary and comes with proprietary add-ons like
-flash. It's only intended for SaaSS, not actual, real computing).
-Google is even a member of the *PRISM* program, as outlined by Edward
-Snowden. See notes about ChromeOS below. The libreboot project
-recommends that the user replace the default *ChromeOS* with a
-distribution that can be used in freedom, without invading the user's
-privacy.
-
-We also use a similar argument for the MacBook and the ThinkPads that
-are supported in libreboot. Those laptops are supported, in spite of
-Apple and Lenovo, companies which are actually *hostile* to the free
-software movement.
-
-Considerations about ChromeOS and free operating systems {#os}
-========================================================
-
-This laptop comes preinstalled (from the factory) with Google ChromeOS.
-This is a GNU+Linux distribution, but it's not general purpose and it
-comes with proprietary software. It's designed for SaaSS. Libreboot
-recommends that users of this laptop replace it with another
-distribution.
-
-Debian GNU+Linux
-----------------
-
-<https://wiki.debian.org/InstallingDebianOn/Asus/C201> shows how to
-install Debian.
-
-TODO: instructions for Devuan
-
-Caution: Video acceleration requires a non-free blob, software rendering can be used instead. {#videoblobs}
-=============================================================================================
-
-The Tamil driver source code for the onboard Mali T GPU is not released.
-The developer has so-far withheld it. Until that is released, the only
-way to use video (in freedom) on this laptop is to not have video
-acceleration, by making sure not to install the relevant blob. Most
-tasks can still be performed without video acceleration, without any
-noticeable performance penalty.
-
-In practise, this means that certain things like games, blender and
-GNOME shell (or other fancy desktops) won't work well. The libreboot
-project recommends a lightweight desktop which does not need video
-acceleration, such as *XFCE* or *LXDE*.
-
-The Tamil developer wrote this blog post, which sheds light on the
-story:
-[http://libv.livejournal.com/27461.html,http://libv.livejournal.com/27461.html](http://libv.livejournal.com/27461.html).
-
-Caution: WiFi requires a non-free blob, a USB dongle can be used instead. {#wifiblobs}
-=========================================================================
-
-These laptops have non-removeable (soldered on) WiFi chips, which
-require non-free firmware in the Linux kernel in order to work.
-
-The libreboot project recommends using an external USB wifi dongle that
-works with free software. See
-[\#recommended\_wifi](./#recommended_wifi).
-
-There are 2 companies (endorsed by Creative Commons, under their
-*Respects your Freedom* guidelines), that sell USB WiFi dongles
-guaranteed to work with free software (i.e. linux-libre kernel):
-
--   [ThinkPenguin sells
-    them](https://www.thinkpenguin.com/gnu-linux/penguin-wireless-n-usb-adapter-gnu-linux-tpe-n150usb)
-    (company based in USA)
--   [Tehnoetic sells
-    them](https://tehnoetic.com/tehnoetic-wireless-adapter-gnu-linux-libre-tet-n150)
-    (company based in Europe)
-
-These wifi dongles use the AR9271 (atheros) chipset, supported by the
-free *ath9k\_htc* driver in the Linux kernel. They work in *linux-libre*
-too.
-
-EC firmware is free software! {#ec}
-=============================
-
-It's free software. Google provides the source. Build scripts will be
-added later, with EC sources provided in libreboot, and builds of the EC
-firmware.
-
-This is unlike the other current libreboot laptops (Intel based). In
-practise, you can (if you do without the video/wifi blobs, and replace
-ChromeOS with a distribution that respects your freedom) be more free
-when using one of these laptops.
-
-The libreboot FAQ briefly describes what an *EC* is:
-[../../faq/#firmware-ec](../../faq/#firmware-ec)
-
-No microcode! {#microcode}
-=============
-
-Unlike x86 (e.g. Intel/AMD) CPUs, ARM CPUs do not use microcode, not
-even built in. On the Intel/AMD based libreboot systems, there is still
-microcode in the CPU (not considered problematic by the FSF, provided
-that it is reasonably trusted to not be malicious, since it's part of
-the hardware and read-only), but we exclude microcode updates (volatile
-updates which are uploaded at boot time by the boot firmware, if
-present), which are proprietary software.
-
-On ARM CPUs, the instruction set is implemented in circuitry, without
-microcode.
-
-Depthcharge payload {#depthcharge}
-===================
-
-These systems do not use the GRUB payload. Instead, they use a payload
-called depthcharge, which is common on CrOS devices. This is free
-software, maintained by Google.
-
-Flash chip write protection: the screw {#thescrew}
-======================================
-
-It's next to the flash chip. Unscrew it, and the flash chip is
-read-write. Screw it back in, and the flash chip is read-only. It's
-called the screw.
-
-*The screw* is accessible by removing other screws and gently prying off
-the upper shell, where the flash chip and the screw are then directly
-accessible. User flashing from software is possible, without having to
-externally re-flash, but the flash chip is SPI (SOIC-8 form factor) so
-you can also externally re-flash if you want to. In practise, you only
-need to externally re-flash if you brick the laptop; read
-[../install/bbb\_setup.html](../install/bbb_setup.html) for an example
-of how to set up an SPI programmer.
-
-Write protection is useful, because it prevents the firmware from being
-re-flashed by any malicious software that might become executed on your
-GNU+Linux system, as root. In other words, it can prevent a
-firmware-level *evil maid* attack. It's possible to write protect on
-all current libreboot systems, but CrOS devices make it easy. The screw
-is such a stupidly simple idea, which all designs should implement.
-
-Copyright © 2015 Leah Rowe <info@minifree.org>\
-This page is available under the [CC BY SA 4.0](../cc-by-sa-4.0.txt)