Linuxcnc 2.9.2 and 2.93 images for Raspberry Pi 4b & 5

arm_64bit=1
initramfs initrd.gz followkernel

# 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=1920
framebuffer_height=1200

# 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=87
hdmi_cvt=1920 1200 60 5 0 0 0

# 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

# camera
#start_x=1
#gpu_mem=128

# automatically load overlays for detected cameras
#camera_auto_detect=1

# automatically load overlays for detected DSI displays
#display_auto_detect=1

# uncomment to overclock: https://www.tomshardware.com/how-to/overclock-any-raspberry-pi
#arm_freq=
#gpu_freq=
#core_freq=
#over_voltage=
#force_turbo=1

# 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

# enable audio (loads snd_bcm2835)
dtparam=audio=on

# enable uart
enable_uart=0

# disable wifi and bluetooth
#dtoverlay=disable-wifi
#dtoverlay=disable-bt
#dtoverlay=pi3-disable-wifi
#dtoverlay=pi3-disable-bt

# remove test rainbow
disable_splash=1

# disables the warning overlays
#avoid_warnings=1

[cm4]
# Enable host mode on the 2711 built-in XHCI USB controller.
# This line should be removed if the legacy DWC2 controller is required
# (e.g. for USB device mode) or if USB support is not required.
otg_mode=1

[pi4]
# enable DRM VC4 V3D driver on top of the dispmanx display stack
dtoverlay=vc4-kms-v3d
#dtoverlay=vc4-fkms-v3d
max_framebuffers=2
arm_boost=1

max_usb_current=1