CM3 flash issue over RPI CM4 IO board

We recently purchased CM3 board and we are trying to flash official ubuntu server image, but it failed. We are following your official tutorial (installusb-install-radxa-cm3-rpi-cm4-io) , and we would like to point out :

  1. jumper should be placed at the right most 2 pins, otherwise it can not be recognized rock
  2. in your example image, the CM3 image should be used

Maybe you want to update the tutorial.

Anyway, for us, we tried on Mac, Windows or Ubuntu, we cannot flash the image onto the CM3. The bootloader flash was successful but we got a device test error right after and download image failed.


Here is the log by using RKdevtool on windows:

14:30:23 943	瑞芯微开发工具 v2.8.1.0 start run
14:31:25 155	Layer<1-3>:下载Boot开始
14:31:29 002	Layer<1-3>:下载Boot成功
14:31:29 098	Layer<1-3>:等待Maskrom开始
14:31:29 560	Layer<1-3>:等待Maskrom成功
14:31:29 562	Layer<1-3>:测试设备开始
14:31:29 569	Error:RKU_Write-->WriteFile failed,bRet=0,err=31,size=31,write=0
14:31:41 617	ERROR:RKU_ResetPipe-->DeviceIoControl failed,err=995
14:31:41 617	<LAYER 1-3> ERROR:TestDevice-->RKU_TestDeviceReady failed,RetCode(-3),path=\\?\USB#VID_2207&PID_350A#6&855BFBE&0&3#{a5dcbf10-6530-11d2-901f-00c04fb951ed}
14:31:47 647	Error:RKU_Write-->WriteFile failed,bRet=0,err=995,size=31,write=0
14:31:54 671	ERROR:RKU_ResetPipe-->DeviceIoControl failed,err=31
14:31:54 671	<LAYER 1-3> ERROR:TestDevice-->RKU_TestDeviceReady failed,RetCode(-3),path=\\?\USB#VID_2207&PID_350A#6&855BFBE&0&3#{a5dcbf10-6530-11d2-901f-00c04fb951ed}
14:32:00 694	Error:RKU_Write-->WriteFile failed,bRet=0,err=995,size=31,write=0
14:32:02 711	ERROR:RKU_ResetPipe-->DeviceIoControl failed,err=31
14:32:02 711	<LAYER 1-3> ERROR:TestDevice-->RKU_TestDeviceReady failed,RetCode(-3),path=\\?\USB#VID_2207&PID_350A#6&855BFBE&0&3#{a5dcbf10-6530-11d2-901f-00c04fb951ed}
14:32:03 759	Error:Layer<1-3>:测试设备失败
14:32:03 766	Layer<1-3>: RunProc is ending, ret=0

Please help, thanks.