# 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
```