參考網站：
Cortex-A/M: Raspberry Pi: Overclocking on Arch linux
Raspberry Pi Safe Overclocking – Hayden James
修改 /boot/config.txt 檔
# vim /boot/config.txt
##None(未超頻)
#arm_freq=700
#core_freq=250
#sdram_freq=400
#over_voltage=0
##Modest(超頻一些)
#arm_freq=800
#core_freq=300
#sdram_freq=400
#over_voltage=0
##Medium(中等)
#arm_freq=900
#core_freq=333
#sdram_freq=450
#over_voltage=2
##High(快)
#arm_freq=950
#core_freq=450
#sdram_freq=450
#over_voltage=6
##Turbo(最快)
#arm_freq=1000
#core_freq=500
#sdram_freq=500
#over_voltage=6[@more@]
這裡改用 Turbo
##Turbo
arm_freq=1000
core_freq=500
sdram_freq=500
over_voltage=6
重新啟動電腦
# reboot