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config_CRT.txt
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# For more options and information see
# http://rpf.io/configtxt
# Some settings may impact device functionality. See link above for details
# 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=16
#overscan_right=16
#overscan_top=16
#overscan_bottom=16
# uncomment to force a console size. By default it will be display's size minus
# overscan.
#framebuffer_width=1280
#framebuffer_height=720
# uncomment if 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=2
#hdmi_mode=85
# uncomment to force a 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
#config_hdmi_boost=4
# uncomment for composite PAL
#sdtv_mode=2
#uncomment to overclock the arm. 700 MHz is the default.
#arm_freq=800
# Uncomment some or all of these to enable the optional hardware interfaces
#dtparam=i2c_arm=on
#dtparam=i2s=on
#dtparam=spi=on
# Uncomment this to enable infrared communication.
#dtoverlay=gpio-ir,gpio_pin=17
#dtoverlay=gpio-ir-tx,gpio_pin=18
# Additional overlays and parameters are documented /boot/overlays/README
dtparam=i2c_arm=off
dtparam=spi=off
# Enable audio (loads snd_bcm2835)
dtparam=audio=on
[pi4]
# Enable DRM VC4 V3D driver on top of the dispmanx display stack
dtoverlay=vc4-fkms-v3d
max_framebuffers=2
[all]
#dtoverlay=vc4-fkms-v3d
overscan_scale=1
disable_splash=1
dtoverlay=disable-pcie
# default CEC name
cec_osd_name=gpimateplus
avoid_safe_mode=1
# Set the bootloader delay to 0 seconds. The default is 1s if not specified.
boot_delay=0
# Disable on-board bluetooth
dtoverlay=disable-bt
#Disable on-board Wifi
dtoverlay=disable-wifi
dtoverlay=sdtweak,overclock_50=100
#enable USB for CM4
dtoverlay=dwc2,dr_mode=host
gpu_mem=256
#enable_tvout=1
#hdmi_enable_4kp60=1
#enable AUDIO
disable_audio_dither=1
dtoverlay=audremap,pins_18_19
#dtoverlay=pwm-2chan,pin=18,func=2,pin2=19,func2=2
audio_pwm_mode=2
dtoverlay=miniSSCM4RGBS
enable_dpi_lcd=1
display_default_lcd=1
dpi_output_format=6
dpi_group=2
#for CRT
dpi_mode=87
#hdmi_timings=320 1 20 29 35 224 1 10 14 16 0 0 0 60 0 6400000 1 # 320:224 Sega Genesis (NTSC)
#hdmi_timings 450 1 50 30 85 288 1 10 1 25 0 0 0 60 0 9600000 1 #works
#hdmi_timings=480 1 40 20 75 270 1 10 10 22 0 0 0 50 0 9600000 1 #works
#hdmi_timings=480 1 14 45 56 300 1 10 5 5 0 0 0 60 0 9600000 1 #works 480x300
#hdmi_timings 480 1 24 45 75 270 1 10 10 8 0 0 0 50 0 9600000 1 #works
#hdmi_timings=256 1 8 17 21 224 1 7 10 24 0 0 0 60 0 4800000 1 # 256:224 NES, SNES (NTSC)
hdmi_timings=320 1 16 30 34 240 1 2 3 22 0 0 0 60 0 6400000 1 #240p