HP ProBook 4720s Notebook-PC - Manual (Page 68)

Using USB legacy support
USB legacy support (enabled by default) permits the following actions:
● Using a USB keyboard, mouse, or hub connected to a USB port on the computer during startup or
in an MS-DOS-based program or utility
● Starting or restarting from an optional external MultiBay or an optional USB bootable device
USB legacy support is enabled at the factory. To disable or enable USB legacy support:
1. Open Computer Setup by turning on or restarting the computer, and then pressing f10 while the
“F10 = ROM Based Setup” message is displayed in the lower-left corner of the screen.
2. Use the arrow keys to select System Configuration > Device configurations, and then press
enter .
3. Use the arrow keys to enable or disable USB legacy support, and then press f10 .
4. To save your preferences and exit Computer Setup, use the arrow keys to select File > Save
Changes and Exit. Then, follow the on-screen instructions.
Your preferences go into effect when the computer restarts.
Using an eSATA device
An eSATA port connects an optional high-performance eSATA component, such as an eSATA external
hard drive.
Some eSATA devices may require additional support software, which is usually included with the device.
For more information about device-specific software, refer to the software manufacturer’s instructions.
These instructions may be provided with the software, on disc, or on the manufacturer’s Web site.
NOTE: The eSATA port also supports an optional USB device.
Connecting an eSATA device
CAUTION: To prevent damage to an eSATA port connector, use minimal force to connect an eSATA
device.
To connect an eSATA device to the computer:
1. Plug in the power to the eSATA external device.
58 Chapter 6 External devices