4.Edit the file /etc/dt/config/Xservers and add the appropriate X server Option, "-screen0" and or "-vsync0" to the line that starts the X server. This line is generally the last line in the file Xservers.

Example line from the Xservers file used with CDE:

:0 Local local@console /usr/bin/X11/X :0 -screen0 1280x1024

X server Options:

Set screen (W)width and (H)height.

-screen[screen] WxH

Set screen (Hz) Vertical refresh rate

-vsync[screen] Hz

___________________________ Note ____________________________

These are device dependent X server options and not available for ALL graphics options. See Table 3–1 for supported Resolutions and Refresh Rates.

Both the Width and Height should be specified in the "-screen" option and not just the Width. On some X server graphics devices setting ONLY the Width will cause the X server to fail.

The [screen] number need not be specified if only one screen exists or if the user wants all screens to use the same values. The [screen] value is generally '0' as shown in the example below.

Example:

-screen0 1280x1024

^

[screen] value

Anything added after the "-I" option will be ignored by the X server and passed on to the DDX, Device Dependent X layer of the server. The "-screen" and or "- vsync" option(s) should precede the "-I" option.

____________________________________________________________

5.Restart the CDE GUI.

For DIGITAL UNIX V5.* systems use:

#/sbin/init.d/xlogin stop

#/sbin/init.d/xlogin start

Examples of Typical Resolution and Refresh Rate Settings Using CDE

Setting the Screen Resolution to 1280 x 1024.

:0 Local local@console /usr/bin/X11/X :0 -screen0 1280x1024

3-6 3Dlabs OXYGEN VX1 PCI Graphics Controller Installation Guide

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Compaq VX1 manual Server Options Set screen Wwidth and Hheight