RE: Poking unallocated memory

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Bernie,

You are correct that the BIOS is normally accessed in "upper" memory, 
just below 1 MB. But this is a shadowed version of the BIOS. To talk to 
the real deal, you normally have to look at the very top of memory 
space. 

Regards,
-Ben

Bernard W. Ryan wrote:
> 
> Ben:
> 
>    I think that the bios resides in lower memory not at the top of memory.
>    What are you trying to accomplish with your code. Are you using DOS ?
>    You need to explain what you are trying to do.
> 
> Bernie

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