From: theom+news@chiark.greenend.org.uk   
      
   Pancho  wrote:   
   > I looked, I tried, I failed!   
   >   
   > I tried adding the following line to /boot/armbianEnv.txt   
   >   
   > '''   
   > dtoverlay=pcie-gen2   
   > '''   
      
   I can't speak for Armbian, but config.txt is a RPi thing - it's config for   
   the GPU (originally) or boot firmware (4+) to set things up, rather than   
   Linux. I don't know what the oPis do, but unless they clone rPi settings I   
   wouldn't expect it to work.   
      
   > I also tried editing the dtb overlay:   
   > /boot/dtb/rockchip/rk3588s-orangepi-5.dtb   
   >   
   > which was already configured for gen 2   
      
   That may well make a difference, but don't know how they set up PCIe.   
   Also, devices start up as gen1 and then mutually agree to upgrade. Perhaps   
   something isn't right to do that. I don't know if it's firmware or Linux   
   upgrading, but maybe look at dmesg for anything eith 'pci' in it for clues?   
   Signal integrity can be a reason for the upgrade to fail.   
      
   > Seriously, the oPi5 looks like a brilliant device, it feels like a   
   > brilliant device, but nothing quite works properly, my advice is to buy   
   > the rPi5, every time.   
      
   That's my general feeling. I think Armbian are trying to increase their   
   level of support for various board, but they are just volunteers with no   
   help from vendors.   
      
   Theo   
      
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