[LinuxBIOS] MB1030 / 3036 VGA comes up :D

Stefan Reinauer stepan at coresystems.de
Tue May 2 21:28:23 CEST 2006


* Christian Sühs <chris at suehsi.de> [060502 21:07]:
> outw(0x0052, 0x03ce)
> outw(0x0053, 0x03ce)
> outw(0x0054, 0x03ce)
> outw(0x0055, 0x03ce)
> outw(0x3073, 0x03ce)
> outw(0x1b74, 0x03ce)
> outw(0x1e75, 0x03ce)
> outw(0x0076, 0x03ce)
> outw(0x0078, 0x03ce)
> outw(0x3079, 0x03ce)
> outw(0xc87a, 0x03ce)
> outw(0x01bf, 0x03ce)
thats the graphics index register


> inb(0x03da) = 0xff
> inb(0x03da) = 0xff
> inb(0x03da) = 0xff
> inb(0x03da) = 0xff
> 
> // after her always the same inb line

it waits for a vertical blank interrupt which never happens.
At this point it probably expects the video to become light.

Stefan


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