On Thursday 17 November 2005 07:48, Blastzone wrote: > I've been running MythTV for about 4 months now, and I'm pretty much sold. > Most of my friends are too. I picked up an InFocus ScreenPlay 5000 last > night, which runs at a native rez of 1280x720. I've also got a regular 17" > CRT monitor, for when I don't feel like watching TV on a 6-foot-wide > screen. I'm driving both through the standard VESA output, but *could* get > a DVI cable if necessary (for about $40). > My myth system is running on a Pundit-R w/ ATI 9100IGP chipset on FC4. > > So, my question is: > I need to set up a modeline to drive output at 1280x720. Has anyone set > this up yet, and either has one, or can point me in a direction where I can > learn more about this? > 2. Since the monitor & the projector have different ratios, I don't expect > the CRT to take to a 1280x720 too well. Is there a tool that I can use to > easily change resolutions (preferrably with a hotkey)? > > Thank you!
I just spent a good amount of time figuring out the modeline required by my HDTV. I don' http://gentoo-wiki.com/HOWTO_Xorg_HDTV the end contains a list of all the modelines for various ntsc/atsc specs. Your projector should obey the atsc formats, some tweaking may be required from there. As well, the ATI drivers should show the received EDID information in the X log through the DVI connector. It should also give you the "optimum" modeline (ie. does not take overscan into consideration, which should not matter for a projector as there should be no overscan). btw from what I can tell, the windows program powerstrip can be replaced by the EDID log output in X and xvidtune, it might do some other calculations for you but the important information for linux users is the EDID information. When I connected my HDTV to my GeForce card the NVIDIA driver output the EDID information to the X log.
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