Michael Devore <[EMAIL PROTECTED]> writes:

> Is X=TEST really necessary?  Unfortunately yes, at least for some
> machines.  There exist PC's which place ROM code in the upper memory
> area, but without the standard ROM signature of 55h AAh.  These
> aren't old moldy machines either.  In a small test pool, at least
> two Pentium 4 class machines placed disk driver code in upper memory
> areas without using ROM signatures.

Do you know whether/how Microsoft's EMM386 deals with this?

Just curious.

 - Pat


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