inkleput{at}isp.com wrote:
> I fed the second vid output from my T42 to my stand alone 17" LCD.  The
> T42 is a 15"  and had the most basic video card for that year.  Both are
> always set at the default/native resolution of 1024 x 768.  Everything
> worked straight up.  No searching for bits and pieces or setting odd
> settings.
> 
> But the quality of the 17" display was pretty bad.  It had the
> appearance almost of printing done on poor or damp paper that let the
> ink bleed out from the edges of the characters a little.  Just fuzzy,
> diffused edges.  Very bad compared to what it does very crisply with my
> desktop - it's normal operation.
> 
> If the T42 had had the second or third step up in card quality would
> this diffused look have been eliminated, or is this a driver problem?

External VGA should match your laptop screen, with perhaps slight 
blurring if you're using extremely long VGA cables (as is often the case 
with KVM switches, especially ones with cheap cables).

Your external panel may also be a slower refresh design than the 
built-in laptop screen, which would cause ghosting and blurriness, 
especially on fast-moving images.

Can't speak for the T42, as I have no experience with it, but perhaps 
it's a full-digital display, while the external VGA port would be 
digital (video memory) to analog (the signal down the cable) to digital 
(within the external panel), so there's some loss of sharpness in the 
double conversion.

You're also comparing a 15" LCD and a 17" LCD at the same native 
resolution - the pixel size on the 17" would be bigger, which would also 
introduce some graininess.

Hope this helps!

-Derek


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