[UFO Chicago] LCDs and Linux
Sat, 4 Aug 2001 21:42:22 -0500 (CDT)
On Sat, 4 Aug 2001, Larry Garfield wrote:
> Elliot Shank wrote:
> > Larry Garfield wrote:
> > > Does anyone have any experience with LCD monitors under Linux? Are
> > > there any gotchas that I need to keep in mind? My assumption is that
> > > they're either as cranky as video cards or as easy as keyboards, but I
> > > don't know which. :-)
> > Not under Linux, but we've got an unbelievable quantity of NEC MultiSync
> > LCD1830s at work running with Matrox G400s under NT4. And let me tell
> > you, I am disappointed. I don't know about other displays, but stay
> > away from this one. Ghosting, burn-in (it's like the return of the
> > bad-old days of CRT burn-in), pixels dropping out. Yucko. Stay away.
> I'll remember that. The monitor will be used on both a Mandrake box and a
> Win2k box, as well. Burn in is not good.
> Another question, only slightly OT. Does anyone know what "phase" is on an
> LCD? On several monitors I saw in the store, when I played with the phase
> part of the screen went out of focus while another part was nice and sharp.
> I could get one side of the screen in focus or the other, but not both. On
> others, at the right phase the entire image was perfectly clear. What
> exactly am I doing, and why the difference?
SVGA == analog signal
LCD == digital display and has to do the conversion
Basically what you're doing is messing with the sync. I guess some
monitor/card combinations just don't speak the same dialect of SVGA.
> Larry Garfield
> Do you have a PalmOS Organizer? Click here to add me to your address book:
> -- "If at first you don't succeed, skydiving isn't for you." :-)
> UFO Chicago -- Users of Free Operating Systems
> Free Software Rules -- Proprietary Drools!
Nate Riffe Help Dmitry Sklyarov find freedom in the so-
email@example.com called "Land of the Free."