用USB轉RS232轉接線連接ARM測試板

# 安裝driver，插上USB轉RS232轉接線
# install minicom
brew install minicom

# 執行minicom
sudo minicom -s

# Enter 'Serial port setup'
Serial Device: /dev/tty.usbserial
Bps/Par/Bits: 38400 8N1

# Save setup as dfl
# Exit
# ARM開機！

Reference: openmoko