syslinux.cfg from LibreELEC-Generic.x86_64-9.0.2.img.gz
Code
SAY Wait for installer to start or press <TAB> for more options (live, run)
DEFAULT installer
TIMEOUT 50
PROMPT 1
LABEL installer
KERNEL /KERNEL
APPEND boot=UUID=0405-1514 installer quiet tty vga=current
LABEL live
KERNEL /KERNEL
APPEND boot=UUID=0405-1514 live quiet tty vga=current
LABEL run
KERNEL /KERNEL
APPEND boot=UUID=0405-1514 disk=UUID=03a48580-f0a2-4057-b5e3-30fccf817d53 tty portable quiet
Display More
Changing line
to
enables to use run option on every boot without typing anything. Like I wrote in post #2.