HP c3700 hp workstations - hp-ux 11.x graphics administration guide - Page 23
Standards Association VESA has defined a Display Power Management, HP VISUALIZE-FX5 and FX10 - workstation
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configuring X Windows on HP-UX (HP Visualize graphics cards) X Server configuration determining swap performance The DBE API does not allow users to determine if double-buffering in a visual is through software or hardware. However, the API does provide a way to determine relative swapping performance on a per-visual basis. The XdbeScreenVisualInfo() function returns information about the swapping performance levels for the double-buffering visuals on a display. A visual with a higher performance level is likely to have better double-buffer graphics performance than a visual with a lower performance level. Nothing 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 devices The X Server supports DBE on the following devices: • HP VISUALIZE-FX5 and FX10 • HP VISUALIZE-FXE display power management signaling (DPMS) 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: • HP VISUALIZE-FX5 and FX10 • HP VISUALIZE-FXE Chapter 2 21