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3.2.4
Backing Store and Save Unders
By default, backing store and save unders are enabled. If the default visual
depth is changed to 16 or 24, it is recommended that backing store and save
unders be disabled.
To disable these features, add the options "-bs -su" to the argument list in
the X server's configuration file. Refer to the example in Section 3.2.3.
3.3
Configuring Graphics Resolution or Vertical
Refresh Rate for Tru64 UNIX
There are two X server related files that can be used to configure or change
characteristics of the X server. Systems by default use a file named "Xservers"
to start and optionally pass startup configuration parameters to the Xserver.
3.3.1
Current Graphics Resolution
The graphics Resolution and Refresh Rate is set at the default value, 1024x768
at 70Hz Refresh Rate. The graphics resolution of a running system can be
obtained by executing the command /usr/sbin/sizer -gr. The Refresh Rate may
be obtained from the X servers file /var/dt/Xservers.
3.3.2
Changing the Resolution & Refresh Rate Using the
Xservers File
The steps necessary to change the X servers graphics resolution differ
depending on which X Windowing System is in use, XDM/Motif or the newer
standard CDE (Common Desktop Environment). UNIX systems running
version 4.0F, and G can use either the XDM/Motif or CDE GUIs.
If your system is running version 4.0F, or G, you must determine which GUI is
in use for the system and then proceed to the appropriate section of this
document, "How to Change the Resolution and Refresh Rate on XDM GUI" or
"How to Change the Resolution and Refresh Rate on CDE GUI".
Systems running UNIX versions 5.0 or higher can use only the CDE GUI, so
you may skip directly to "How to Change the Resolution and Refresh Rate on
CDE GUI".
Compaq Tru64 UNIX Configuration
3-3
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