Yoshinori K. Okuji wrote:
>
>Do you mean 80386? Of course, no. I don't have such an old CPU.
>
>
>
But some people use old PC like a home servers. But 80386 I
suppose is not very used because it can't have more than a few
hundred Mb hard disk, which is important criteria for home server,
more important than CPU.
>AFAIK, this problem may happen only in a certain model of 80386, and there is
>no way to make sure to invalidate the cache in 80386. So we have nothing to
>do with this.
>
>
Perhaps if we read a huge block of memory it will do the trick?
>BTW, why do you say 2 microseconds? Where does this come from?
>
>
>
outb %al, $0x80
In documentation it's written that it causes a wait of 1 microsecond
On the same page it's written that some laptops have the problem with
0x0 and 0x100000 addresses. Perhaps we should move the test address?
Vladimir
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