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Operating System Compatibility
Your My Book drive and the WD Drive Utilities software are compatible with the following
operating systems:
Windows
• Windows XP
®
• Windows Vista
• Windows 7
• Windows 8
The WD SmartWare Pro software is compatible with the following operating systems:
Windows
• Windows XP
• Windows Vista
• Windows 7
• Windows 8
Compatibility can vary, depending on hardware configuration and operating system.
For highest performance and reliability, always install the latest updates and service
pack (SP). For Windows computers, go to the Start menu and select Windows Update.
For Mac computers, go to the Apple menu and select Software Update.
Disk Drive Format
Your My Book drive is formatted as a single NTFS partition for compatibility with all
updated Windows operating systems. If you want to use the drive with a Mac computer,
see "Reformatting the Drive" on page 54 and "Troubleshooting" on page 55.
Physical Description
As shown in Figure 2 on page 4, the My Book drive has:
• A power/activity LED indicator on the front
• The power connector, interface port, and a security slot on the back
Power/Activity LED
The power/activity LED shows the drive's power state as follows:
LED Appearance
On steady
Fast flashing, approximately 3 times per second
Slow flashing, approximately every 2.5 seconds
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. Connection to a USB 2.0 port transfers data at the port speed—up to
480 Mb/s.
Mac OS X
• Leopard
• Snow Leopard
• Lion
• Mountain Lion
Power State/Activity
Idle
Activity
System standby
MY BOOK
USER MANUAL
ABOUT YOUR WD DRIVE – 3
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