RaspberryPi

FreeBSD serial

screen /dev/ttyUSB0 115200,cs7

SDTV output

  • For more information

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=18
overscan_right=10
overscan_top=0
overscan_bottom=0
  • uncomment to force a console size. By default it will be display’s size minus overscan.
framebuffer_width=640
framebuffer_height=480
  • uncomment if hdmi display is not detected and composite is being output

#hdmi_force_hotplug=1

  • Force composite out

hdmi_ignore_hotplug=1

  • uncomment to force a specific HDMI mode (this will force VGA)
#hdmi_group=1
#hdmi_mode=1
  • 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 NTSC
sdtv_mode=0
sdtv_aspect=1
sdtv_disable_colourburst=1
  • 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

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