树莓派3B+ 开启超频
sudo vim /boot/config.txt // 将你要修改的值添加到该文件尾部
# CPU超频
arm_freq = 1375
over_voltage = 6
core_freq = 550
# GPU超频
gpu_freq = 550
# 内存
sdram_freq = 550
sdram_schmoo = 0x02000020
over_voltage_sdram_p = 6
over_voltage_sdram_i = 4
over_voltage_sdram_c = 4
# SD卡超频
dtparam = sd_overclock = 100