Western Digital My Book Essential User Manual - Manual (Page 9)

MY BOOK ESSENTIAL
USER MANUAL
ABOUT YOUR WD DRIVE – 4
Power/Activity LED
The power/activity LED shows the drive’s power state and activity as follows:
Power Button
Use the power button to safely power down the drive and avoid data loss or damage to
the drive. The power button only works when the WD SmartWare software is installed on
your computer.
Note: If you disconnect the drive after using the power button to turn it off, when
you reconnect it to your running computer, the drive automatically powers
on. If you leave the drive connected to your computer after using the
power button to turn it off, you must press the power button again to turn
it back on.
USB 3.0 Interface
Super-Speed 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
Figure 3. Back of the My Book Essential 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
Kensington ® Security Slot
Power Connector
USB 3.0
Power Button