Two questions, please. In this thread, one mentions OGD as well as OGC, does the bootstrap about the video mode concern the both or only one of the both ?
Do the current cards on the market really care about these fixed-frequency monitors ? Thanks Le mardi 29 août 2006 à 18:56 +0100, Hamish Marson a écrit : > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > James Richard Tyrer wrote: > > Hamish Marson wrote: > >> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 > >> > >> James Richard Tyrer wrote: > >>> Jon Smirl wrote: > >>>> On Sat, 26 Aug 2006 20:43:57 +0100, Dieter wrote: > >>>>> Why does DDC need to work if the monitor is powered off? > >>>> So that if you turn the computer on before the monitor the > >>>> video card will be outputing the right mode when you turn the > >>>> monitor on. > >>>> > >>>> I always suggest working on modesetting code with an LCD > >>>> panel so that you don't destroy your CRT monitor. I don't > >>>> believe it is possible to destroy the LCD panels. > >>> Probably only get an LCD very confused. You don't want to turn > >>> on a CRT till you have the correct frequencies set. > >>> > >> I have an ultra-cheap (Goodmans) LCD panel, 15" 1024x768 monitor. > >> It displays (With a suitable popup for about a second) everything > >> thrown at it via the analog 'VGA' output of my video card. > >> Including 1680x1050 output mirrored from my main DVI connected > >> monitor (When X runs in clone mode). > >> > >> So yeah, I'd say based on that demonstration that it'd be kinda > >> hard to break an LCD monitor by giving it 'bad' signals... > >> (Although I've never broken a CRT feeding it bad signals either. > >> The best I ever got was having it refuse to display a picture). > > > > New ones are smart enough to just shut down if the PLLs don't lock > > on the sync signals. However old monitors (specifically the one > > that comes with the original IBM PC) will self destruct if given > > the wrong sync frequencies. > > > > Which extends the argument that replacing old monitors like that is > probably cheaper (A quick check on pricerunner reveals that there's a > whole range of monitors for #40.00 odd sterling) than anything that > could be implemented on the card itself... > > Hamish. > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.2 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iD8DBQFE9H+8/3QXwQQkZYwRAvMqAKDKykLeHSbPhfN1NPLCo0mEFqtAJgCfYn+U > 0VhG/ydWrPvKVTngsVn7mcU= > =yDDT > -----END PGP SIGNATURE----- > > _______________________________________________ > Open-graphics mailing list > [email protected] > http://lists.duskglow.com/mailman/listinfo/open-graphics > List service provided by Duskglow Consulting, LLC (www.duskglow.com) > _______________________________________________ Open-graphics mailing list [email protected] http://lists.duskglow.com/mailman/listinfo/open-graphics List service provided by Duskglow Consulting, LLC (www.duskglow.com)
