Programs larger than real memory on an 80286 ???
Andrew Valencia
vandys at hpisoa1.HP.COM
Tue Sep 13 02:04:24 AEST 1988
>Mr. Geers' gripe is a legitimate one. Apparently the 80286 has been able to
>support virtual memory systems, yet the 80286 OS designers chose to leave it
>out. I would be interested in hearing why. Surely you all bought the Intel
>book I mentioned, I don't think I paid more than $20 dollars for it, and I
>was just a curious programmer.
If memory serves (unlikely, but what the heck), there are generations of
the '286 which would corrupt certain registers when taking a "segment not
present" fault, thus making instruction restart impossible. Perhaps someone
from Intel could give us the lineage of this bug (if any)?
Andy
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