http://www.aten.com/global/en/products/mobility-&-usb/usb-converters/uc232a/
http://www.microgate.it/Timing/Support/Firmware/USB-Serial-Driver
prolific_win8_inf.zip
uc_232a_linux.zip
uc232a_mac_os_x_10.6_10.7_10.8_10.9.zip
uc232a_mac_setup_v1.6.1.zip
uc232a_win7_xp_vista.zip
uc232a_windows_setup_v1.0.082.zip