can be deduced from any of the following: the magnitude of the difference of two performance levels, a performance level in isolation, or comparing performance levels from different servers.
For more information, refer to the DBE man page on XdbeScreenVisualInfo().
Supported DevicesThe X server supports DBE on the following devices:
•Internal Color Graphics
•Integrated Color Graphics
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•HP VISUALIZE ™
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Monitors constitute a large percentage of the power used by a workstation even when not actively in use (i.e., during screen blanking). In order to reduce the power consumption, the Video Electronic Standards Association (VESA) has defined a Display Power Management Signaling (DPMS) standard which can be used to greatly reduce the amount of power being used by a monitor during screen blanking.
The X server features the ability to make use of DPMS on the following graphics devices:
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The following table is a description of the states that are defined by VESA. The Power Savings column indicates (roughly) the level of power savings achieved in the given state. The Recovery Time is the amount of time that the screen takes to return to a usable state when the screen saver is turned off (by pressing a key or the moving the mouse).
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