config.txt

# Minimum value of core_freq used for dynamic frequency clocking.
core_freq_min=500

# Second-stage loader and the main firmware output diagnostic information 
# to UART0.
uart_2ndstage=1

# The stub is a small piece of ARM code that is run before the kernel. 
# Its job is to set up low-level hardware like the interrupt controller 
# before passing control to the kernel.
armstub=armstub-new.bin