Read the statement by Michael Teeuw here.
i need help w pi imager and ssh, headless, oops, user error
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 @karsten13 nope, right after flash, those files are not there. 
 the firstrun and cmdline.txt have todays date, I am showing hidden files (if any) 
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 well then… turns out the pi5 I picked to bring with me has the nvme hat on, and boots to the nvme drive, NOT the sd card…doah!!.. after some thinking, I found the right user/pw combo… never mind… BUT that explains why the sd card wasn’t used!! 
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 and I learned more about pi imager, the stuff it writes seems to depend on the OS, with my examples above I used fedora, now looking at a raspian pi os lite I don’t see the files. There now is a userconf.txtwith only user/password …
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 @karsten13 I don’t see that at all on bookworm full 
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 @sdetweil said I am not a system setup guy. Dear Sam, 
 you may aware of this - than please ignore it…You’ve described that you have put a SD card in your NVME-HAT’ed Pi and your Pi has not booted from SD but from NVME… You can steer this with the BOOT_ORDER entry in eeprom configuration. 
 This code is read right to left to determine the boot order and should (in your case) be: 0xf461:1 = Check SD card 
 6 = Check PCIe NVME
 4 = Check USB drive
 f = Start againYou can check this: sudo rpi-eeprom-configIf boot order is not as desired you can edit this with sudo -E rpi-eeprom-config --edit enter or modify to: BOOT_ORDER=0xf461(In my configuration this opens the nano editor in which ctrl-O writes the changes to disk and ctrl-X leaves the editor. 
 eeprom-config then modifies the system and a reboot is neccessary)With this configuration you will lose a tiny bit of time for the SD-card check but it enables you to insert a SD card and boot from there despite the NVME is connected as well. Regards, 
 Ralf
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 @rkorell thanks. i had clearly set the boot order wrong. 
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 @sdetweil This is a single error :-) 
 try to count mine - you will win ! :-)
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 @rkorell this is not a contest. if we all work together things will always improve 
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 @rkorell i knew you were teasing me. thank you for that! 

