rgb-pi os4 rgb config.txt

# Enable audio on GPIO for Pi400
dtoverlay=audremap,pins_18_19

dtparam=audio=on

# disable i2c, pin use by h-sync & v-sync
dtparam=i2c_arm=off


# replace dtoverlay=vc4-kms-v3d with
dtoverlay=vc4-kms-v3d
dtoverlay=vc4-vga666,mode6



#max_framebuffers=2 -----NO_DIFF?
max_framebuffers=2


#information https://www.raspberrypi.org/documentation/hardware/raspberrypi/dpi/README.md

gpio=0-1=a2
gpio=2-8,12-17,20-24=a2


#dpi_output_format=0x13 -----NO_DIFF?
#enable_dpi_lcd=1 -----NO_DIFF?
#display_default_lcd=1 -----NO_DIFF?

#dpi_output_format=0x13
#enable_dpi_lcd=1
#display_default_lcd=1


boot_delay=0
disable_splash=1
avoid_warnings=2
avoid_safe_mode=1
audio_pwm_mode=2
arm_boost=1
force_turbo=1
force_eeprom_read=0


#overclock pi400
#over_voltage=6
arm_freq=2100



#dpi_group=2
#dpi_mode=16
#---------------- dpi_mode line ---------------------
#---> 640x480 60hz   dpi_mode=4
#---> 800x600 60hz   dpi_mode=9
#---> 1024x768 60hz  dpi_mode=16
#---> 1280x768 60hz  dpi_mode=23
#---> 1280x800 60hz  dpi_mode=28
#---> 1280x960 60hz  dpi_mode=32
#---> 1280x1024 60hz dpi_mode=35
#---> 1360x768 60hz  dpi_mode=39
#---> 1366x768 60hz  dpi_mode=81
#---> 1400x1050 60hz dpi_mode=42
#---> 1440x900 60hz  dpi_mode=47
#---> 1600x1200 60hz dpi_mode=51
#---> 1680x1050 60hz dpi_mode=58
#---> 1920x1080 60hz dpi_mode=82
#---> 1920x1200 60hz dpi_mode=69
#---> 1920x1440 60hz dpi_mode=73