Matrox Q-bus Video Card

Roach

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10-03-2007, 02:54 PM

Seeking documentation for a Matrox QRGB Alpha video card, operating in
a DEC PDP11/23 system still running(!) Need to try and tweak the
video card output horizontal scan frequency up a tad, by hook or by
crook. Does anyone know of a source for a Matrox QRGB Alpha manual/
schematics/whatever?

Thanks for your help!

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