32- and 64-bit PL2303 drivers for OS X 10.6 are available here. You’ll need to modify, as root, the ‘/System/Library/Extensions/ProlificUsbSerial.kext/Contents/Info.plist ‘ file after installing the driver to suit the USB manufacturer and device ID. For the ATEN UC232A, examples below appear to work for it (for me in 10.7). To obtain the IDs, Wayne Roberts (who [ View Post… ]
Mac OS X 10.7 Lion + ATEN UC232A USB to Serial Adapter
New MacBook Air + Lion – spot the difference
The new air is much better looking ! Spaces (10.6) vs. Mission Control (10.7)