These are the available boot arguments available in OpenELEC.
In order to edit the boot arguments while OpenELEC is running you have to mount the system partition as rw.
mount -o remount,rw /flash
Open Bootloader config file to edit
remount system partition readonly again and reboot
mount -o remount,ro /flash reboot
<seconds>till continuing to boot after sending WOL packet.
installerRuns the OpenELEC installer
CTRL+ALT+F3. Debug shell doesn't work with RPi.
fsckdisk checks upon boot (not recommended)
nosplashDisables the splash screen while booting. This is helpful if you need to watch the progress of init scripts.
/storagepartition is mounted using tmpfs so it will be erased upon shutdown.
/storagepartition with a label of the MAC address of the system. This allows multiple systems able to boot from the same BOOT and DISK options.