> > > > does card detect work for you? it doesn't work for me. I think it > > > > needs > > > > > > Yes. it is detecting for me. I've booted from SD. 2022.03.04 V1.2 > > > revision board. > > > > I have same board, but I'm using eMMC as boot media. do you have any > > eMMC module? > > > > what I tried was inserting uSD card while running Linux on eMMC. it > > didn't work. > > Here is booted from SD with eMMC inserted on board. > https://gist.github.com/openedev/85fb939664b6f0803c9ce02c5b275167 please try 1. power off 2. remove SD 3. attach bootable eMMC 4. power on 5. insert SD 6. see what happen -- FUKAUMI Naoki