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References for OKdo Nano C100 Developer Kit (a NVIDIA Jetson Nano Developer Kit B01 - The Jetson Nano Computing Module Compatible Board)

OKdo Nano C100 Developer Kit 情報

参考文献

OKdo nano c100 cooling fan not working

  • Installed jetson-fan-ctl -> NG

  • How to check if the cooling fan is active/on or not/off in Jetson Nano

    cat /sys/devices/pwm-fan/target_pwm
    221
    # not 0 thus the fan is turned on but not spinning
  • GPIO pin assign is wrong? may be?


Boot error

[ 1.152881] tegradc tegradc.1: dpd enable lookup fail:-19
[ 1.316536] imx219 7-0010: imx219_board_setup: error during i2c read probe (-121)
[ 1.316605] imx219 7-0010: board setup failed
[ 1.340460] imx219 8-0010: imx219_board_setup: error during i2c read probe (-121)
[ 1.340518] imx219 8-0010: board setup failed
bash: cannot set terminal process group (-1): Inappropriate ioctl for device
bash: no job control in this shell
bash-4.4#

Install jtop

jtophtop の GPU 版 みたいなもの。NVIDIA 製 GPU、特に Jetson の GPU 使用状況を CUI で確認するコマンド。

# 要 PIP3
sudo apt install python3-pip
# pip でインストール
sudo -H pip install jetson-stats
# サービスのアクティベートと開始
sudo systemctl enable jtop.service
sudo systemctl start jtop.service
# 念のため再起動
sudo reboot now
$ jtop

OS アップデート後のエラー


Using Ollama with OKdo nano C100

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