boot_config.txt 1.8 KB

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  1. # For more options and information see
  2. # http://rpf.io/configtxt
  3. # Some settings may impact device functionality. See link above for details
  4. # uncomment if you get no picture on HDMI for a default "safe" mode
  5. #hdmi_safe=1
  6. # uncomment this if your display has a black border of unused pixels visible
  7. # and your display can output without overscan
  8. #disable_overscan=1
  9. # uncomment the following to adjust overscan. Use positive numbers if console
  10. # goes off screen, and negative if there is too much border
  11. #overscan_left=16
  12. #overscan_right=16
  13. #overscan_top=16
  14. #overscan_bottom=16
  15. # uncomment to force a console size. By default it will be display's size minus
  16. # overscan.
  17. #framebuffer_width=1280
  18. #framebuffer_height=720
  19. # uncomment if hdmi display is not detected and composite is being output
  20. #hdmi_force_hotplug=1
  21. # uncomment to force a specific HDMI mode (this will force VGA)
  22. #hdmi_group=1
  23. #hdmi_mode=1
  24. # uncomment to force a HDMI mode rather than DVI. This can make audio work in
  25. # DMT (computer monitor) modes
  26. #hdmi_drive=2
  27. # uncomment to increase signal to HDMI, if you have interference, blanking, or
  28. # no display
  29. #config_hdmi_boost=4
  30. # uncomment for composite PAL
  31. #sdtv_mode=2
  32. # GPU memory
  33. #gpu_mem=16
  34. #uncomment to overclock the arm. 700 MHz is the default.
  35. #arm_freq=800
  36. # Uncomment some or all of these to enable the optional hardware interfaces
  37. dtparam=i2c_arm=on
  38. #dtparam=i2s=on
  39. dtparam=spi=on
  40. # I2C-1 baud rate 100 kHz
  41. dtparam=i2c1_baudrate=100000
  42. # Enable DS1307 real time clock
  43. dtoverlay=i2c-rtc,ds1307
  44. # Uncomment this to enable the lirc-rpi module
  45. #dtoverlay=lirc-rpi
  46. # Additional overlays and parameters are documented /boot/overlays/README
  47. # Enable audio (loads snd_bcm2835)
  48. dtparam=audio=on
  49. [pi4]
  50. # Enable DRM VC4 V3D driver on top of the dispmanx display stack
  51. dtoverlay=vc4-fkms-v3d
  52. max_framebuffers=2
  53. [all]
  54. #dtoverlay=vc4-fkms-v3d