Problem with Dreamcast VA2.1 + SDcard

[aldair]

(25.05.2019 10:43)EduardoKmus писал(а):  Hello friends, I modified a dreamcast model (va2.1) with dualbios mod and sd mod ... when booting the bios with dreamshell on the screen (checking sd ...) it freezes, it does not continue ... this only happens with the sd card inserted, when I remove the microsd simply continues to the next screen (boot menu).
Is there anything different when doing sd mod in a dreamcast va2.1 ??? I have done it just like in my dreamcast va1. Please help. regards

need to remove the 5 capacitors from the serial.