Turing Pi 1 with Waveshare CM4-to-CM3-Board
# │forums
Scorpion
05/15/2025, 8:40 AMI gave a try to the Waveshare CM4-to-CM3-Board to accommodate a CM4 compute module on my good old TuringPi 1.
I was able to flash it. And it looks like as it would boot (checked with a HDMI display). However, I do not get a network connection.
Any ideas?
Scorpion
05/15/2025, 8:42 AMAnd after the boot sequence the display disapears.
Scorpion
05/15/2025, 8:44 AMLink to the Waveshare CM4-to-CM3-Board: https://www.waveshare.com/cm4-to-cm3-board.htm
Scorpion
05/21/2025, 11:20 AM@User Anyone?
n
nsky
05/22/2025, 4:22 PMHi, can't really help here since we never tested these adapters. Please contact us at help@turingpi.com and we will find solution for you.
t
Teslamax
05/30/2025, 8:46 AMI remember when the adapters first became available it seemed they were never tested as @nsky says... I also never heard of anyone getting them to work correctly, but not many tried either... so it's not conclusive
u
useafterfree
06/04/2025, 7:31 AMI am def interested in this path as well
useafterfree
06/04/2025, 7:40 AMYou can probably get around this by using the CM4's onboard wifi
useafterfree
06/04/2025, 7:45 AMChatGPT says:
- Networking on CM3 was through the SoC; on CM4 it is through a PCIe-based controller.
- CM4 needs a proper PCIe → Ethernet bridge; if your adaptor board doesn’t expose it, you’ll have no networking unless via USB.
useafterfree
06/04/2025, 8:18 AMI want to also try this one, but it looks to be wired similarly: https://geekworm.com/products/cm4-to-cm3-adapter?_pos=4&_sid=e5cbf9283&_ss=r
useafterfree
06/04/2025, 9:09 AMMaybe try this: ChatGPT suggests the USB LAN can be forced with USB host mode, but it is not guaranteed the pin is wired to the proper USB lines from CM4 > CM3 slot
Set:
dtoverlay=dwc2,dr_mode=host otg_mode=0lsusbdmesguseafterfree
06/04/2025, 9:11 AMI also found this other adaptor which has a Google Coral TPU: https://www.mouser.com/ProductDetail/Gumstix/PKG900000001464?qs=T94vaHKWudQmoN7pEFDPrA%3D%3D
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