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  #1  
Old 1st June 2010, 12:19 AM
Nihth Offline
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linuxfedorafirefox
Unhappy Very hot videocard F13

Hello,

Im new to Linux and Fedora and just installed F13, though I have tried Fedora a few times earlier, but failed horribly each time.

My first problem which I dont see how to solve is as follows:
I have two different ATI HD 4890 cards in Crossfire (used that earlier in Windows), with 3 screens.
2 screens connected to first card, 1 to the second card.

The first card with two screens connected displays image correctly, but it gets insanely hot.
Is this common?

After a while with googling, I figured there were no way to get video drivers for F13 (correct?), which may have cured the temperature problem, aswell as the 3-screen problem (?).

Are there some custom made drivers made by end-users?
Are there software to display graphic card temperatures?
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  #2  
Old 1st June 2010, 07:39 AM
CSchwangler Offline
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linuxfedorafirefox
Re: Very hot videocard F13

Quote:
After a while with googling, I figured there were no way to get video drivers for F13 (correct?), which may have cured the temperature problem, aswell as the 3-screen problem (?).
I guess you are right with this claim. Since ATI is not able to provide video drivers for the version of Xorg server used in Fedora, there are currently only open source drivers available.

http://forums.fedoraforum.org/showthread.php?t=155503

It is extremely difficult and time consuming to develop graphics drivers, if the vendor does not make the design public, so I guess it is very unlikely, that there are "custom made drivers made by end-users".

With respect to software measuring temperature, I guess lm_sensors and powertop would be a good start.
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  #3  
Old 1st June 2010, 09:10 AM
Nihth Offline
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windows_7opera
Re: Very hot videocard F13

Thanks for the reply

Since there are no support for F13 ATI drivers, are other people running without video drivers?
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  #4  
Old 1st June 2010, 09:22 AM
CSchwangler Offline
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Re: Very hot videocard F13

Well, that would be kind of difficult I guess. My post was referring to the proprietary video drivers which come directly from ATI. Besides that there are open source video drivers, developed by the community. However, these lack some special features.
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  #5  
Old 1st June 2010, 09:15 PM
AdamW Offline
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Re: Very hot videocard F13

...particularly power management; they don't do it. They just leave the card at BIOS default. Which *ought* to be a safe setting, so I'd expect it to be downclocked and/or have the fans going loud, but not to cook the card. If the BIOS default is to run it at high core speed with slow fans, well, that's fairly stupid.

It's basically impossible to use the proprietary driver on F13 until ATI releases a version that works with X server 1.8, which won't likely happen until a Fedora based on X server 1.8 is released, since ATI apparently care only about whatever Ubuntu's using at present and disregard other distros.
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  #6  
Old 1st June 2010, 09:30 PM
Nihth Offline
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linuxfedorafirefox
Re: Very hot videocard F13

Thanks for replys

I dident figure out how to install those temperature programs.

However can this solve my 3-screen problem?
http://en.gentoo-wiki.com/wiki/HOWTO_Dual_Monitors

Currently managed to write this:
Code:
# Xorg configuration created by system-config-display

Section "ServerLayout"
	Identifier     "single head configuration"
	Screen      0  "Screen0" 0 0
	InputDevice    "Keyboard0" "CoreKeyboard"
EndSection

Section "InputDevice"
# keyboard added by system-config-display
	Identifier  "Keyboard0"
	Driver      "kbd"
	Option	    "XkbModel" "pc105"
	Option	    "XkbLayout" "no"
EndSection

Section "Monitor"
	Identifier  	"Monitor1"
	VendorName   	"Monitor Vendor"
	ModelName    	"LCD Panel 1680x1050"
	HorizSync    	31.5 - 65.5
	VertRefresh  	56.0 - 65.0
	Option	    	"dpms"
    	Option		"Position"  "0 0"
	Option       	"PreferredMode"  "1680x1050"
EndSection

Section "Monitor"	
	Identifier   		"Monitor2"
	VendorName   		"Monitor Vendor"
	ModelName    		"LCD Panel 1680x1050"
	HorizSync    		31.5 - 65.5
	VertRefresh  		56.0 - 65.0
	Option	    		"dpms"
	Option       		"PreferredMode"  "1680x1050"
	Option			"RightOf" "Monitor1"
EndSection

Section "Monitor"
	Identifier   		"Monitor3"
	VendorName   		"Monitor Vendor"
	ModelName    		"LCD Panel 1680x1050"
	HorizSync    		31.5 - 65.5
	VertRefresh  		56.0 - 65.0
	Option	    		"dpms"
	Option       		"PreferredMode"  "1680x1050"
	Option			"RightOf" "Monitor2"
EndSection

Section "Device"
	Identifier  		"Videocard0"
	Driver      		"radeon"
	Option			"monitor-DVI-I-0" "Monitor3"
	Option 			"monitor-DVI-I-1" "Monitor0"
EndSection

Section "Device"
	Identifier  		"Videocard1"
	Driver      		"radeon"
	Option			"monitor-DVI-I-0" "Monitor2"
EndSection

Section "Screen"
	Identifier 		"Screen0"
	Device     		"Videocard0"
	DefaultDepth     	24
	SubSection "Display"
		Viewport   	0 0
		Depth     	24
		Modes 		"1680x1050"
	EndSubSection
EndSection
Tested it, but after restarting X, nothing new happened.
Im pretty new to Linux, so any help would be apreciated
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  #7  
Old 3rd June 2010, 07:43 PM
droidhacker Offline
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linuxfedorafirefox
Re: Very hot videocard F13

Read this: http://www.phoronix.com/forums/showthread.php?t=18356

Note that radeon power management features (clock and voltage scaling) have been added to the open source driver ***VERY*** recently. Expect F14 to have these abilities out of the box.


And of course, running the OPEN SOURCE DRIVERS is ***NOT*** the same as running withOUT drivers. Typically, MATURE OPEN SOURCE DRIVERS are ***SUPERIOR*** to the blobs produced by the hardware vendors. The reason for this is that the open source drivers tend to track what the USER WANTS rather than what the vendor or their deep-pocketed institutional customers want.
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  #8  
Old 3rd June 2010, 11:04 PM
AdamW Offline
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Re: Very hot videocard F13

nihth: i suspect you're going to have trouble getting three screens to work. I'm not actually aware of anyone who's got displays connected to two different cards working with RandR 1.2 drivers (of which radeon is one), yet.

Can you temporarily rename your /etc/X11/xorg.conf , so no file named /etc/X11/xorg.conf exists at all, reboot, then go to a console and run this command:

xrandr

and paste the output, please? It'll give me an idea of what capabilities the driver has managed to figure out you have on its own. thanks.
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