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From: hpoppe@ncar.ucar.edu (Herb Poppe)
Newsgroups: comp.sys.mac.system
Subject: Re: Why does the system take up 10megs for a IIsi?
Message-ID: <11648@ncar.ucar.edu>
Date: 4 Jun 91 14:38:17 GMT
References: <1991Jun4.074959.4685@crash.cts.com>
Sender: news@ncar.ucar.edu
Organization: National Center for Atmospheric Research
Lines: 19

In article <1991Jun4.074959.4685@crash.cts.com> kevin@crash.cts.com (Kevin 
Hill) writes:
>    I have a friend who just purchased a IIsi with 17megs o memory..
>   Now me being the mac guru that I am, he called me over to help him
> put the whole thing together...  Anyway, we were playing around with
> the neeeto brand colors and stuff and we checked the about finder and
> saw that the system file was takeing up about 9347k or something, but
> something that was definatly HUGE...
>   Naturally, he turned to me and asked "Why?"

With 24-bit addressing you only get 8Megs of memory. The system "hides" 
the rest of the memory within itself. To access physical memory beyond 
8Megs (on a machine with 32-bit clean ROMs), go to the "Memory" Control 
Panel and enable 32-bit addressing.

Herb Poppe             hpoppe@ncar.ucar.edu
NCAR                      (303) 497-1296
1850 Table Mesa Dr.
Boulder, CO  80307-3000