Boot CiV on Bare Metal

This article describes the steps to run a Celadon CIV image on bare metal using an Intel® NUC.


  • Intel NUC model NUC11PAQI7
  • Type-C cable for display
  • USB flash drive, formatted as FAT 32
  • USB headphone
  • 3.5mm jack headphone
  • Bluetooth® device to test connectivity
  • Wireless access point or hotspot to test Wi-Fi* connectivity
  • Wi-Fi device (such as laptop, smartphone, or tablet) to test the NUC serving as a hotspot.

Steps to sync to latest HEAD for bare metal

Run the following commands to sync to the approved release and run CiV on bare metal.

  1. repo init -u -b celadon/r/mr0/stable

  2. repo sync -c -q -j${nproc}

  3. Cherry-pick the following patch:


  4. This is using Yocto as the Guest Kernel.

Build steps on the latest HEAD

  1. source build/
  2. lunch caas-userdebug
  3. make BASE_LTS2020_YOCTO_KERNEL=true flashfiles -JN this is for NUC11PAQI7 as Bare Metal.

Flashing a CIV image as bare metal

  1. Unzip flashfiles zip file to U disk. ( Be sure to format the U disk as FAT32 mode).
  2. Insert U disk to the NUC and power on the NUC.
  3. Press F2 to go into BIOS, select Boot -> Boot Priority -> Internal UEFI Shell, and then save it.
  4. Power on again and press F10, select “UEFI : Built-in UEFI Shell”.
  5. It can auto flash and boot up after the flashing is successful.

Sanity Results

Confirm that you are able to boot as bare metal on NUC11PAQI7 (with a type-C cable to drive your display) by testing the following components:

Test these components Component type By running these commands Expected results
Connectivity Wi-Fi Wi-Fi basic on/off, scan, and connect. Run Network found and connected. Ping time and network speed are acceptable for your network.
  Bluetooth Bluetooth turn on/off, scan, and connect Device found and connection made.
Media Audio (USB) Check audio output through USB headphone Sound is audible.
Media Audio (3.5mm) Check audio output through 3.5mm headphone Sound is audible.
Audio sound


(volume adjustment)

Sound level has acceptable range.
ADB External Storage
  1. adb connect IP:5555
  2. adb root
  3. adb connect IP:5555
  4. adb push <files> /sdcard/
  5. adb shell
Contents of external device are detected.

Settings -> Storage

(Read USB Disk)

Contents of the USB disk are detected.
Security lock PIN/password/pattern

Settings -> Security

Set lock screen type to PIN, then password, and finally pattern.

Correct PIN/password/pattern unlocks access. Incorrect PIN/password/pattern denies access.
Reboot ADB over ethernet
  1. adb connect IP:5555
  2. adb reboot
NUC reboots.
Web browsing Browsing Browsing via ethernet Websites, such as, can be accessed.
Settings Enable developer options

Settings -> About tablet (Click the build number seven times in a row)

Settings -> System -> Advanced

Developer options added to Settings.
Playback Video playback
  1. Push video clip to device sdcard directory and then reboot.
  2. adb connect IP:5555
  3. adb push <video files> /sdcard
  4. adb reboot
  5. play video with Photos App
Video plays well.
Type C port Verify type C port Can be verified by Type-C display cable Video display has appropriate level of quality.
Reconnect WI-FI

Connect to WI-FI, then reboot.

WI-FI should reconnect after reboot.

Wi-Fi reconnects automatically.
Hotspot Wi-Fi hotspot Settings-> Network->Hotspot NUC hotspot found and connected. Ping time and network speed are acceptable for your network.
Display HDMI display

With a type C port, the display works correctly.

On NUC with one HDMI port, the display works correctly.

Video displays correctly.
Factory reset   Settings-> System->Advanced->Reset Options->Erase all data System resets.