IOGEAR USB to Serial Adapter Mac OS (8.6 through 9.2) Installation Procedure NOTE: Please do not plug in the USB to Serial Adapter until after you have completed the following instructions. 1) Insert the IOGEAR CD-ROM that came with your USB to Serial Adapter Cable. You will see an IOGEAR CD icon appear on your desktop. 2) Double-Click the IOGEAR CD-ROM icon, you will see two folders: one for Mac OS 9 and one for Mac OS 10. Double-click the OS 9 folder. 3) Inside the Mac OS 9 folder, you will see the UC232-AC Extention. This is the extension for the IOGEAR USB to Serial Adapter and it must be placed in your Extensions folder in Mac OS. 4) Open your Macintosh HD 5) Open the System folder 6) Open the Extensions folder 7) Drag-and-drop the UC-232AC extension into you Macintosh Extensions folder. If you have done this successfully, it will show up under the Extensions folder below 8) Close all your open windows, and restart your Mac. The USB to Serial Adapter is now installed on you Macintosh computer. ...