MY PASSPORT FOR MAC
USER MANUAL
ABOUT YOUR WD DRIVE – 3
Disk Drive Format
Your My Passport for Mac drive is formatted as a single HFS+J partition for compatibility
with Mac OS X operating systems. If you want to use the drive with a Windows
computer, see “Reformatting the Drive” on page 27 and “Troubleshooting” on page 28.
Physical Description
As shown in Figure 2, the My Passport for Mac drive has:
• A power/activity LED
• A USB 3.0 interface port

Power/Activity LED

The power/activity LED shows the drive’s power state as follows:

USB 3.0 Interface

USB 3.0 supports data transfer rates up to 5 Gb/s. USB 3.0 is backward compatible with
USB 2.0 and USB 1.1. Connection to a USB 2.0 or USB 1.1 port transfers data at the
port speed:
• USB 2.0—up to 480 Mb/s
• USB 1.1—up to 12 Mb/s
Registering the Drive
Always register your My Passport drive to get the latest updates and special offers. You
can easily register your My Passport drive using the WD Drive Utilities software, as
described in “Registering the Drive” on page 25. Another way is to register online at
http://register.wdc.com.
Figure 2. My Passport for Mac Drive
LED Appearance Power State/Activity
On steady Idle
Fast flashing, approximately 3 times per second Activity
Slow flashing, approximately every 2.5 seconds System standby
USB 3.0 Interface Port
Power/Activity LED