@etrin sudo mkfs.ext4 /dev/mmcblk0

@jack_admin The attached log records are all. Even if I reboot again, I only see the log with the same content. Is it possible to control the booting state from serial mode? Other boards can enter control mode using key values. What should I do with cm5?

@george I updated the OS by connecting to the top of the USB3.0 blue connector.

@george
这个是CM5的能更新开机logo的吗?

@george
https://www.cool-pi.com/topic/380/cool-pi-4b-cm5-linux-system-support-compile-u-boot/3?_=1710812004884
按照这上面的来 怎么我的编译不了

@jack_admin
刷机成功

@anernest
The currently debugged LCD models are shown in the attachment. The github code has been supported by default. The replacement steps are as follows:

Replace the LCD screen with a touchscreen model Replace the ribbon cable It is necessary to add a touch screen level conversion board
B8 NB Product Spec-NV140FHM-T07-2021.03.03(2).pdf

@enok71
George ppa provides ffmpeg source code and its patches, and can continue to develop on this code. We hope to support more formats. Especially in the coding part.

@george
4B csi摄像头的问题有结果了吗

@jugg 在浏览器测试是否可以放大缩小！用chromium。

@george 不在吗？