Date: Thu, 12 Oct 2000 19:33:56 +0200
From: "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
Sender: halo1 AT zahav DOT net DOT il
To: Corelli Marco <mcorelli AT gtwparc DOT padova DOT ccr DOT it>
Message-Id: <7263-Thu12Oct2000193356+0300-eliz@is.elta.co.il>
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CC: djgpp AT delorie DOT com
In-reply-to: <39E5E00A.39A80E46@gtwparc.padova.ccr.it> (message from Corelli
	Marco on Thu, 12 Oct 2000 18:00:10 +0200)
Subject: Re: Accesing from 0xFFFF:F000 to 0xFFFF:FFFF physical memory address
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> From: Corelli Marco <mcorelli AT gtwparc DOT padova DOT ccr DOT it>
> Newsgroups: comp.os.msdos.djgpp
> Date: Thu, 12 Oct 2000 18:00:10 +0200
> 
> and access the location :
> 
> byte_read = _farpeekb ( selector, offset ) ;
> 
> at this time my program crash !!!!

You didn't say what is the value of `offset' in the above statement.

Also, please post here the full SYMIFY'ed crash message printed when
the program crashes, complete with the registers' dump etc.  That
message contains crucial information about the causes of the crash.