CalDigit eSATA Extender:A. Installing the CalDigit eSATA Extender For Mac: • Please remove the CalDigit VR and its accessories from the box. Connect the power cord and FireWire cable or eSATA cable. • (For Mac Pro) If you are using the eSATA interface, and do not have an eSATA adapter card installed in your Mac Pro. Please connect the CalDigit eSATA extender (as shown below and in the following steps) to the SATA port on the logic board of your Mac Pro.