Laptop with reverse VGA

Jussi Peltola pelzi at
Tue Feb 21 21:08:51 UTC 2012

On Tue, Feb 21, 2012 at 12:45:02PM -0500, Jay Ashworth wrote:
> Yeah; I knew (or was pretty sure) that it was down to the chip level at
> this point, but as you say, for driving the price down, there's nothing
> like the single-chip solution, and this is apparently just far enough
> off the edge of the popularity curve that it's not in any single-chip 
> solutions (that I know of, and board-level hardware isn't really my game).
Practically all desktop LCDs do have a single chip that eats VGA and
outputs LVDS. All you would need is a suitable ROM with modelines for it
to work with a laptop screen. But these parts run hot and come in
gigantic TQFP packages (when compared to the form factor of ICs in

Making a replacement card that fits in a laptop instead of the
motherboard is quite possible. Sadly, I have neither the time nor the
motivation since I already have a SpiderDuo :)

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