===== Driver ===== USB driver for mainboard: [[http://www.malyansys.com/downloads/Malyan_USB_Driver_MACOSX.pkg]] ==== Yosemite support ==== Mac OSX 10.10 (Yosemite) need enable developer mode: sudo chown -R root:wheel usb.kext sudo chmod -R 755 usb.kext sudo nvram boot-args="kext-dev-mode=1" Test: sudo kextutil usb.kext ====Video link for step by step support to install CH340 driver ==== [[https://www.youtube.com/watch?v=0zuRukW7o0A]]