config.txt examples and suggestions.txt

# /boot/config.txt remove the # to active the setting you want to use. 

# Uncomment if you get no picture on HDMI for a default "safe" mode
#hdmi_safe=1

# Uncomment this if your display has a black border of unused pixels visible
# and your display can output without overscan.
#disable_overscan=1

# Uncomment the following to adjust overscan. Use positive numbers if console
# goes off screen, and negative if there is too much border.
overscan_left=20
overscan_right=20
overscan_top=20
overscan_bottom=20

# Uncomment to force a console size. By default it will be display's size minus
# overscan.
#framebuffer_width=1280
#framebuffer_height=720

# Uncomment if an HDMI display is not detected and composite is being output.
#hdmi_force_hotplug=1

# Uncomment to force a specific HDMI mode (this will force VGA).
#hdmi_group=1
#hdmi_mode=1

# Uncomment to force an HDMI mode rather than DVI. This can make audio work in
# DMT (computer monitor) modes.
#hdmi_drive=2

# Uncomment to increase signal to HDMI, if you have interference, blanking, or
# no display. 11 is max
#config_hdmi_boost=4

# Uncomment for composite PAL
#sdtv_mode=2

# Uncomment to overclock the ARM. 700 MHz is the default.<- this is for PI Default for TB is 1800 (1.8ghz) no need to 
# OverClock if you do start small suggestions 1850 1900 1950 I would not go above 1900, i would not OC with out a fan or 
# Heatsink 
#arm_freq=800

# Ram for GPU shared with CPU 512 768 1024 are all good options
#gpu_mem_512 

# Pretends all CEA modes support 3D even when edid doesn't indicate support for them.
#hdmi_force_edid_3d=1 



# Crash's Suggested boosts for preformance, 720p @ 60HZ (fps) to allow for better preformance. Less taxing on the GPU
# Note Retroarch Core screen settings override the 720p screen output during game play ;)

v3d_freq=600
hdmi_force_edid_3d=1 
force_turbo=1
gpu_mem_1024 
hdmi_group=1
hdmi_mode=4 
config_hdmi_boost=7
hdmi_drive=2
hdmi_force_hotplug=1
framebuffer_width=1280
framebuffer_height=720   


# Here are some Tv settings to play with
#hdmi_group=1 #(CEA) use one of the Below settings
#hdmi_mode=16   #1080p  60 Hz
#hdmi_mode=4    #720p   60 Hz
#hdmi_mode=39   #1080i  50 Hz  reduced blanking

#hdmi_group=2 #(DMT) use one of the below settings
#hdmi_mode=82   #1080p      60 Hz
#hdmi_mode=85   #720p       60 Hz