> -----Original Message-----
> From: Ian Skinner [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, October 24, 2007 1:51 PM
> To: CF-Community
> Subject: Double monitors double your fun
>
> Anybody
> know in good brains, blogs, documentation to pick to understand the
> whys
> and wherefores of Span versus Dual?
You pretty much nailed it:
Dual display treats each monitor as a separate display. Each monitor can
have a different resolution and color depth.
Spanned display fools the system into thinking that you have a double-wide
monitor. Each monitor is forced to have the same resolution and
color-depth. It was really a kludge which allowed some older operating
systems which only allowed one monitor to have dual displays.
There's also a at a couple of other common modes. "Cloned" just shows the
same desktop on both monitors while "zoomed" shows an extreme close up of
the area under the mouse on the second.
Windows, from 2000 on, supports dual monitors natively but only the dual
display mode. Other modes are supported by the video-card driver and not
all drivers support all modes (for example the latest nVidia drivers only
support Dual Display and Clone modes).
Basically you won't be able to do spanned mode unless your driver supports
it. Although there are homebrew solutions for some of the bigger chipsets
(namely nVidia and ATI) but I doubt there's anything for the onboard Intel
chip you mentioned.
If it's really important to you might look into an alternative video card.
Matrox makes a nice little external box ("Dual-Head2Go" for two monitors and
"Triple-Head2Go" for three) that works wonders for systems that can't be
upgraded internally.
Another (really freakin' expensive) is one of the newer giant monitors.
These bad boys actually take two inputs (I think always DVI) and you've got
a single giant display. I can't afford one... but that doesn't mean I don't
want one!
Jim Davis
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