Sender: "Rolf Campbell" <cp1v45 AT nortelnetworks DOT com>
Message-ID: <37B81991.F2710B8F@americasm01.nt.com>
Date: Mon, 16 Aug 1999 10:00:49 -0400
From: "Rolf Campbell" <cp1v45 AT nortelnetworks DOT com>
Organization: Nortel Networks
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To: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
CC: djgpp AT delorie DOT com
Subject: Re: Memory usage question!
References: <Pine DOT SUN DOT 3 DOT 91 DOT 990815120335 DOT 1935M-100000 AT is>
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Reply-To: djgpp AT delorie DOT com

Eli Zaretskii wrote:

> On Fri, 13 Aug 1999, Rolf Campbell wrote:
> >     But, that won't let you choose more than 65Megs (even if you type it
> > manually).
> Did you actually try this on a machine with more that 64MB of physical
> memory, and Windows refused to accept the value?  If so, I need to update
> the FAQ with this info.

    Yes.  My machine at home has 128Megs of physical RAM.  And Win98 (and
Win95 as well) still does not let me type more than 65535 kilobytes for DPMI
memory.  But, the 'auto' setting uses whatever is available.  So on machines
with more than 64 Megs of RAM, 'auto' is probably the best setting.
    Also, I have noted that if I have more than 64Megs of physical RAM free
and then run a DOS box with it's DPMI set to 65535k, it gobbles up 65Megs of
physical RAM (even if no programs are using the DPMI memory).  This seems
only to happen if the physical RAM is free, if that RAM isn't free, it
doesn't increase your swap file by 65Megs until it is allocated.  With the
'auto' setting, sometimes it will show 70Megs free from a DOS box but none of
it really allocated until a program is run that attempts to use it.  This is
another reason why people with a lot of RAM should use 'auto'.

--
     -Rolf Campbell (39)3-6318