"Albert D. Cahalan" wrote:
> >
> > Yes, it can. Unfortunately, some "legacy-free" PCs apparently
> > are starting to take the tack that the KBC is legacy. Therefore,
> > the use of port 92h is mandatory on those systems.
>
> Not just embedded systems?
>
Nope. I was rather surprised to find this out, but I got a bug report
about a recent IBM Aptiva not working with SYSLINUX because it lacked
KBC. It really could use the adaptive-A20 patch; Linus hasn't taken it
yet, though.
> > Port 92h dates back to at the very least the IBM PS/2.
> >
> > Either way, the video card of the original poster is broken in more
> > ways than that. Ports 0x00-0xFF are reserved for the motherboard
> > chipset and have been since the original IBM PC.
>
> His video card is the motherboard. He has built-in video.
> So the port is being used by his motherboard chipset.
I see. Still an incredibly bad choice.
-hpa
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