Dual Head with ATI (DVI + VGA)

Michael Gebhart lists at miketech.net
Fri Sep 22 09:48:35 PDT 2006


Hi,

I've seen, that I have to set the monitor layout to TMDS,CRT instead of
CRT,TMDS. So now the second monitor is working, but there is no output
on the DVI port, although the resolution is detected correctly.

Any idea, what could be still wrong?

Greetings

Mike
> Hi,
> 
> I am still trying to get my ATI 9100 IGP working with dual head. 
> 
> I have Ubuntu Edgy Eft installed with the newest version of Xorg and the
> xorg-ati drivers.
> 
> I have two monitors connected, one on DVI another on VGA. Both screens
> are detected correctly and the right resolutions are choosen.
> 
> (1280x1024 for the monitor (Samsung) on DVI, 1024x768 for the monitor
> (Philips) on VGA)
> 
> Here is my lspci output:
> 
> 01:05.0 VGA compatible controller: ATI Technologies Inc Radeon 9100 IGP
> (prog-if 00 [VGA])
> 	Subsystem: ASUSTeK Computer Inc. Unknown device 8107
> 	Flags: bus master, 66MHz, medium devsel, latency 255, IRQ 177
> 	Memory at e8000000 (32-bit, prefetchable) [size=128M]
> 	I/O ports at d000 [size=256]
> 	Memory at fdc00000 (32-bit, non-prefetchable) [size=64K]
> 	Expansion ROM at fdb00000 [disabled] [size=128K]
> 	Capabilities: [58] AGP version 3.0
> 	Capabilities: [50] Power Management version 2
> 
> Here is my config:
> 
> http://www.miketech.net/xorg/ati-info/xorg.conf
> 
> And here is the log:
> 
> http://www.miketech.net/xorg/ati-info/Xorg.0.log
> 
> 
> As you can see everything is detected correctly, isn't it? 
> 
> My problem is, that both screens are blank. They enter the sleep mode
> and don't display X. 
> 
> Any idea, what I am doing wrong?
> 
> Greetings
> 
> Michael
> 
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