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   REPLY:  ed9a8bfd   
   PID: SoupGate-Win32 v1.05   
   Bryan  wrote:   
   > I recently picked up a Compute Module 4 Lite, not realizing that the   
   > device is unable to boot from SD card. This is on me and my stupidity,   
   > but I assumed that it would be able to boot from USB and what I can see   
   > appears to confirm this.   
   >   
   > I'm using a CM4 8GB Wireless board on a MCUZone CM4-4G carrier board   
   > w/LTE modem. I have an official RPi power supply connected, and I have   
   > network and HDMI cables connected. I've grabbed the latest release from   
   > the Pi OS page and flashed it to a USB stick that I know will boot other   
   > machines, using Win32DiskImager.   
   >   
   > So, what I get here is the machine goes through some text on screen and   
   > then it appears to restart, and I get the rainbow splash screen right   
   > after a bit of activity on the USB stick.   
   >   
   > It simply sits there and does nothing past this. I've tried using both   
   > the 32 and 64 bit images, different USB sticks, different power supplies   
   > including powering it from a big powered commercial USB hub that has   
   > amps to spare. I'm missing something here, or I got a bad board. I'm   
   > hoping someone has some insight into what I'm doing wrong.   
      
   Not familiar with that board, but it seems like the USB A port(s) are   
   disabled if you have the LTE module plugged in?   
   https://www.aliexpress.com/item/1005001972265702.html   
      
   But I think the CM4 Lite should be able to boot from SD card, since they   
   don't have an eMMC flash chip that takes the place of the SD card?   
      
   For USB boot you may need to update the EEPROM on the CM4, which is easiest   
   done via an SD card boot.  Did you try SD boot, and what happened?   
      
   Theo   
      
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