Mail Archives: djgpp/1998/08/16/05:23:01

Date: Sun, 16 Aug 1998 12:22:45 +0300 (IDT)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To: Johan Henriksson <johan DOT henriksson AT borlange DOT mail DOT telia DOT com>
cc: DJGPP mailinglist <djgpp AT delorie DOT com>
Subject: Re: 64K memory
In-Reply-To: <>
Message-ID: <Pine.SUN.3.91.980816121948.6981i-100000@is>
MIME-Version: 1.0

On Sat, 15 Aug 1998, Johan Henriksson wrote:

> I've heard that under realmode, the maximum amount of memory for a mitrice
> is 64K.

Not true.  The maximum amount of memory real mode can access is 1MB.

> Is it the same for protected
> mode? If I recall right, doesn't protected mode have bigger segments?

No, in protected mode the maximum amount of memory is theoretically 
limited by 4GB.  In practice, it depends on the environment in which you 
run and is typically much lower than the theory.  The DJGPP FAQ list 
covers the details in chapter 15.

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