Asus M4a785-m and ntegrated ATI Radeon HD4200 output to 15" VGA Monitor and HDMI-TV
mmcmullin at cogeco.ca
Tue Oct 26 03:55:06 UTC 2010
On October 25, 2010 01:23:08 pm Luis Paulo wrote:
> On Mon, Oct 25, 2010 at 10:52, Tony Pursell <ajp at princeswalk.fsnet.co.uk>
> > On Mon, 2010-10-25 at 01:49 -0400, Mike McMullin wrote:
> >> I've got a bud who installed 9.04 on his new system (critical details
> >> in subject line), and would like to be able to output to both his 15"
> >> monitor and HDMI TV, the screen looks almost fine on the 15", but the
> >> full desktop is not showing, and on the HDMI-TV you see the middle of
> >> the desktop with no upper or lower bars, is there a way to fix this so
> >> that the desktop is proper size on both the monitor and the TV?
> >> (Driver file recommendations would be appreciated as well.)
> > The problem on your TV is due to what is called 'overscan' (Google it!).
> > TV manufacturers deliberately make the picture bigger than the screen so
> > you don’t seen the edges. There is a standard for the position on the
> > screen that can always be seen so that things like subtitles are always
> > seen.
> > I am not sure how you cope with this for your graphics. On my Acer Revo,
> > with nVidia graphics, I can use the proprietary driver which gives a
> > menu entry for my Panasonic Viera TV with an option for Overscan
> > Correction. AFAIK there is currently no proprietary driver for ATI
> > Radeon (like I have on my desktop PC) and I don't know about any GUI for
> > adjusting the parameters of Open Source drivers. Perhaps now I have
> > identified the problem, someone else will be able to help.
> > Tony
> Just to say that I configured recently my 10.10 with a ATI Radeon 4800
> to use an HDMI monitor.
> I had to set the samsung monitor to PC mode (TV/PC mode). And:
> * With xserver-xorg-video-radeon 1:6.13.1-1ubuntu5 driver it worked fine.
> * With fglrx 2:8.780-0ubuntu2 driver, I had to set overscan (had black
> borders all around)
> Using fglrx-amdcccle (ATI Catalyst Control Center (Administrative)),
> select Display Manager->your monitor->Adjustments Tab and set Scaling
> Options to 0%, it was ok then .
> For the OP: Hope this may help. You may be doing two questions:
> Setting for an HDMI monitor and Setting dual displays.
> If I'm correct, I ask you to tell us if you can set your image on your
> HDMI monitor, using only that monitor.
IIRC, no (not my system but a friends), the 15" VGA also has display
> If so, then try both displays. As I remember, setting the same image
> in 2 monitors with different resolutions may not be that out of the
Is that not that out of the box, as in possible, or not that out of the box
as in not normally intended for the software to do?
>  I also set my DPI settings on
> System->Preferences->Appearance->Fonts Tab->Details ... Button on
> resolution to 102dpi in my case.
> dpi stands for dots per inch, and you can get that number from your
> Xorg.0.log or by dividing your H resolution by your monitor horizontal
> width in inchs.
> The smoothing settings on the same tab may also improve your image.
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