Ideally both should be supportable, since some motherboards (my 430TX and 430FX) do not allow writes to the 4G alias, only the E-F segment. DoC needs that even to boot, of course.
Jeremy ----- Original Message ----- From: "Eric W. Biederman" <[EMAIL PROTECTED]> To: "Ronald G Minnich" <[EMAIL PROTECTED]> Cc: "Jeremy Jackson" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Wednesday, April 03, 2002 12:32 PM Subject: Re: far call discussion > Ronald G Minnich <[EMAIL PROTECTED]> writes: > > > you can try this change but: > > - it has to work on everything (AMD included) > > It currently does. I don't know about the DOC case but the > other case works fine. > > > - the processor is in a strange mode (Special mode) at reset and I'm not > > convinced every single x86 will operate correctly in this mode. Reset for > > CPUs is always a very strange event. > > Agreed but the expected behaviour is well documented and I haven't seen > a cpu misbehave yet. Changing back to a low segment is trivial but > I highly doubt we would need to. > > Eric >
