Configuring

2008-03-02T21:00:00Z

70.95.152.179: /* Changes taking effect immediately */

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== aticonfig ==

Since version 8.18.6 the fglrx driver includes the '''aticonfig''' tool which simplifies ''xorg.conf'' editing. Here are some useful commands this tool offers (for a complete list see [http://wiki.cchtml.com/index.php/aticonfighelp ''aticonfig --help'']).

=== Changes taking effect on startup ===
''Changes will change the config file!''

;Initial setup (creates device section using fglrx):
:<pre>sudo aticonfig --initial</pre>

;Enable Video acceleration (Xv Overlay):
:<pre>sudo aticonfig --overlay-type=Xv</pre>

;Force fglrx to use kernel's AGP driver instead of own implementation (only use when internal agpgart doesn't work):
:<pre>sudo aticonfig --internal-agp=off</pre>
*Note: Newer fglrx driver versions do not include an internal AGPGART so the kernel agpgart is used no matter what.

;Use extended desktop with two monitors (dual-head and big desktop):

Assuming you successfully completed the 'Ubuntu Gutsy Installation Guide' with two monitors connected:

:<pre>sudo aticonfig --initial=dual-head --screen-layout=right</pre>

This command will generate a dual head configuration file with the second screen located to the right of the first screen.

:<pre>sudo aticonfig --dtop=horizontal --overlay-on=1</pre>

This command will set up big desktop to horizontal and set overlay on the secondary display.

=== Changes taking effect immediately ===
''Changes will not change the config file.''

;Print information about power states.
:<pre>aticonfig --list-powerstates</pre>
Or, for us lazy folk, the shorter version is ''aticonfig --lsp''

;Set a power state to the lowest (battery friendly):
:<pre>aticonfig --set-powerstate=1</pre>
*Note: check out available power states using ''aticonfig --list-powerstates''
*Note: this option does not work when an external monitor is connected

;Print information about connected and enabled monitors:
:<pre>aticonfig --query-monitor</pre>

;Examples how to enable two monitors on the fly:
* Assume you have two monitors already setup correctly ([http://ubuntuforums.org/showthread.php?t=301941 Dual monitor support] at Ubuntuforums)
* This example enable laptop internal monitor (lvds) and external monitor (crt1)
:<pre>aticonfig --enable-monitor=lvds,crt1 --effective=now</pre>
*Note: ''aticonfig --enable-monitor=STRING,STRING'' where STRING can be one of the following set, separated by commas: none,crt1,crt2,lvds,tv,tmds1,tmds2,auto.
Only 2 displays can be enabled at the same time. Any displays that are not on the list will be disabled.
*Note: check out connected and enabled monitors using ''aticonfig --query-monitor''

;Turn off the second monitor on the fly and start to use only laptop internal monitor (lvds)
:<pre>aticonfig --enable-monitor=lvds --effective=now</pre>

;Swap monitors on the fly when using big desktop mode
* Assume you have two monitors already setup correctly ([http://ubuntuforums.org/showthread.php?t=301941 Dual monitor support] at Ubuntuforums)
:<pre>aticonfig --swap-monitor --effective=now</pre>
* Note: This only works for big desktop setup. This will swap the contents on the two monitors.

=== Troubleshooting ===

Still not working? Go to the [[Troubleshooting]] page.

[[Category:NeedsUpdating]]
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