File config-rpi.txt of Package raspberrypi-firmware

# Get more options/information on http://elinux.org/RPiconfig
# or on https://www.raspberrypi.org/documentation/configuration/config-txt.md
# Our kernels are located on a Linux partition. Chainload U-Boot to load them.
kernel=u-boot.bin
# Use 64 MB for GPU for RPi with 256 MB (Min 16 - Max 192 MB)
gpu_mem_256=64
# Use 64 MB for GPU for RPi with 512 MB (Min 16 - Max 448 MB)
gpu_mem_512=64
# Use 128 MB for GPU for RPi with 1024 MB (Min 16 - Max 944 MB)
gpu_mem_1024=128
# Turbo mode: 0 = enable dynamic freq/voltage - 1 = always max
force_turbo=0
# Start in turbo mode for 30 seconds or until cpufreq sets a frequency
initial_turbo=30
# Max ARM freq (default 700 MHz)
arm_freq=840
# Max core (GPU) freq (default 250 MHz)
core_freq=375
# SDRAM freq (default 400)
sdram_freq=400
# DO NOT overvoltage manually to not void warranty!
over_voltage=0
# Disable warning overlays as they don't work well together with linux's graphical output
avoid_warnings=1