camcorder-buildroot/board/raspi/boot/config.txt

kernel=zImage

# To use an external initramfs file
#initramfs rootfs.cpio.gz

# Disable overscan assuming the display supports displaying the full resolution
# If the text shown on the screen disappears off the edge, comment this out
disable_overscan=1

# How much memory in MB to assign to the GPU on Pi models having
# 256, 512 or 1024 MB total memory
gpu_mem_256=128
gpu_mem_512=256
gpu_mem_1024=512

# 0=NTSC, 2=PAL
sdtv_mode=0

# 1=4:3, 2=14:9, 3=16:9
sdtv_aspect=3