Acer Chromebook 13 CB5-311 (google-nyan-big)
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|  Nyan Big Chromebook | |
| Manufacturer | Acer | 
|---|---|
| Name | Chromebook 13 (CB5-311) | 
| Codename | google-nyan-big | 
| Released | 2014 | 
| Type | laptop | 
| Hardware | |
| Chipset | Nvidia Tegra K1 (T124) | 
| CPU | Quad-core 2.1 GHz Cortex-A15 | 
| GPU | 192-core Kepler | 
| Display | 1366 by 768 / 1920 by 1080 TN LCD | 
| Storage | 16/32 GB | 
| Memory | 2/4 GB LPDDR3-1600 | 
| Architecture | armv7 | 
| Software | |
| Original software The software and version the device was shipped with. | ChromeOS | 
| Extended version The most recent supported version from the manufacturer. | ChromeOS | 
| postmarketOS | |
| Category | testing | 
| Pre-built images Whether pre-built images are available from the postmarketOS Installation page. | yes | 
| Mainline Instead of a Linux kernel fork, it is possible to run (Close to) Mainline. | yes | 
| Unixbench score Unixbench Whetstone/Dhrystone score. See Unixbench. | 2561.3 | 
| Device package |  device-google-nyan-big | 
| Kernel package |  linux-postmarketos-grate | 
| Internal storage eMMC, SD cards, UFS... | Works | 
|---|---|
| SD card Also includes other external storage cards. | Works | 
| Battery Whether charging and battery level reporting work. | Works | 
| Screen Whether the display works; ideally with sleep mode and brightness control. | Works | 
| Keyboard Whether the built-in physical keyboard works. | Works | 
| Touchpad Whether the built-in touchpad works. | Works | 
| Multimedia | |
| 3D Acceleration | Broken | 
| Audio Audio playback, microphone, headset and buttons. | Works | 
| Camera | Works | 
| Connectivity | |
| WiFi | Works | 
| Bluetooth | Works | 
| Miscellaneous | |
| FDE Full disk encryption and unlocking with unl0kr. | Works | 
| USB-A Whether the full-sized USB-A port works. | Works | 
| HDMI/DP Video and audio output with HDMI or DisplayPort. | Works | 
| Sensors | |
| Hall Effect Measures magnetic fields; usually used as a flip cover sensor | Works | 
| Primary Bootloader Whether it is possible to replace stock bootloader with U-Boot. | Untested | 
|---|---|
| Secondary Bootloader Whether it is possible to chainload U-Boot from stock bootloader. | Works | 
| Mainline Whether latest upstream versions of U-Boot are not broken and it is possible to use them. | Works | 
| Internal Storage Whether it is possible to boot from internal storage (e.g. eMMC or UFS). | Untested | 
| SD card Whether it is possible to boot from SD card. | Works | 
| USB Host Whether it is possible to boot from a USB storage or connect a keyboard. | Works | 
| Display | Broken | 
| Keyboard | Works | 
Contributors
Users owning this device
Installation
See Chrome OS devices page.
- The process to enter developer mode may get stuck with an error visible on the top left corner of the display, if this happens wait a few minutes and then do a hard reboot by holding the Power button, this should leave the device in developer mode once it restarts.
3D Acceleration
See https://gitlab.freedesktop.org/mesa/mesa/-/issues/7710.
Hardware
Boardview BDV files. These show all components and connections of the circuit board on the CB5-311. Use a suitable Boardview software to open these BDV files. https://archive.org/download/lab-551-p-r-10