If you have one working FMCB card and a blank second card, run the FMCB_Installer.elf from your DVD’s APPS folder. Follow the on-screen instructions to softmod the second card.
The "DVD Download" version of uLaunchELF v4.12 is specifically designed to be burned to a disc. This is frequently used as a "bootstrapping" method for consoles equipped with a modchip. By booting the uLaunchELF DVD, a user gains the necessary interface to install Free McBoot (FMCB) onto a memory card, which then allows for soft-modding the console without needing a disc in the future. Conclusion