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config.txt

1.Config

Add:

device_tree=bcm2710-rpi-zero-2.dtb

2.Disable BT

Add:

dtoverlay=disable-bt

3.OverClock

Add:

temp_limit=85
temp_soft_limit=85
arm_freq=1200
over_voltage=6

4.Tunning: disable vc cma and video code

Add file: /etc/modprobe.d/blacklist.conf

blacklist bcm2835_codec
blacklist bcm2835_v4l2
blacklist bcm2835_isp
blacklist bcm2835_mmal_vchiq
blacklist vc_sm_cma