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Commands Reference, Volume 1

chvmode Command

Purpose

Changes the current output device and viewport size of the X server.

Note: This command is usable only while the X server is running.

Syntax

chvmode [ { + | - } l ] [ { + | - } c ] [ -vsize WidthxHeight [ @ VSync ]

Description

The chvmode command changes the current output device and viewport size used by the X server.

Viewport size specification is usable only for a CRT display and its resolution has panning option.

You can use the Devices application in Web-based System Manager (wsm) to change device characteristics. You could also use the System Management Interface Tool (SMIT) to run this command.

Flags

+/-c Enables or disables CRT output.
+/-l Enables or disables LCD output.
-vsize WidthxHeight[ @VSync ] Specifies viewport size of CRT display and the vertical synchronization (refresh rate in Hz). If @VSync is not specified, the current vertical synchronization frequency is used.

Security

Access Control: Any User

Auditing Events: None

Exit Status

The following exit values are returned:

0 Successful completion.
>0 An error occurred.

Examples

  1. To disable the LCD panel and enable the CRT display, enter:

    chvmode -l +c
  2. To change the current CRT viewport to be 1024x768, enter:

    chvmode -vsize 1024x768
  3. To specify VGA mode with high refresh rate of 75Hz, enter:

    chvmode -vsize 640x480@75

Files

/usr/bin/X11/chvmode Contains the chvmode command.

Related Information

The lsvmode command.

For information on installing the Web-based System Manager, see Chapter 2: Installation and System Requirements in AIX 5L Version 5.2 Web-based System Manager Administration Guide.

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