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386 Video Boot Issue

cr1901

Veteran Member
Joined
Dec 28, 2011
Messages
817
Location
NJ
Old VGA cards often test the connector to determine if a display is colour or monochrome, when using a newer VGA monitor it often gets confused and results vary.
I only have a couple of Trident cards which do this - so I make sure to use these with old CRTs - otherwise I try and use a different card that doesn't do it.

Hmmm... how can video cards tell the difference? Was there something in the original VGA standard/original VGA signaling that made this possible?
 
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