Questions tagged [compute-module-4]

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Does the CM4 Lite hardware support UHS-II SDcards?

Can a UHS-II class SD card with 8-bit data bus and 1.8V signaling be used with the CM4 lite? The CM4IO board clearly only connects 4 data lines and 3.3V to the SDcard socket, but could this be ...
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Missing USB Termination on CM4

we are facing USB connection issues with our CM4, which opened a new question concerning the usage of USB with it. To function properly, USB apparently needs Pullup/Pulldown resistors (see here and ...
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unable to use serial on CM4 using linux

When i am trying to connect to my CM4 via serial on my linux desktop and i am unable to get any output from screen i have ensured that enable_uart=1 is in my config.txt file for clarafaction i am ...
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Activate USB Ports on CM4 with Debian Bullseye

I want to use Debian on my Compute Module 4 instead of the Raspberry Pi OS: 2021.08.23 11 (Bullseye) 4 4 (4GB) from raspi.debian.net source: jeffgeerling With the Raspberry Pi OS the following has do ...
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CM4 IO Board Fan I2C

I'm using Raspberry PI OS image is 2021-03-04-raspios-buster-armhf-lite and I spotted in the product sheet for the Raspberry PI CM4IO (Compute Module 4 IO board) that it was i2c-10 assigned for the ...