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From: arybicki@dhw68k.cts.com (Adam Rybicki)
Newsgroups: comp.windows.ms.programmer
Subject: Re: 386 Enhanced Question
Keywords: Memory 386 Protected mode
Message-ID: <1990Dec22.000242.7871@dhw68k.cts.com>
Date: 22 Dec 90 00:02:42 GMT
References: <4566@media-lab.MEDIA.MIT.EDU> <19202@netcom.UUCP>
Sender: arybicki@dhw68k.cts.com
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>But each of those segments can be up to 64K in size, and
>you can have LOTS of them.  So you can actually use 4 Gig of address space.

Actually, you cannot have LOTS.  The 80386 can have up tp 8192 global selectors.
Windows itself uses about half of those, so if you have 4096 selectors
that reference a 64K block each, you end up with 262,144K.  That's a lot
of addressable space for a PC, but still quite far from 4 Gig. 


>
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Adam Rybicki
arybicki@dhw68k.cts.com	or arybicki.lax1b@xerox.com