Re: Virtual Memory INIT

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Article #36488

#36488

From: Jim Christy
Date: Wed, 18 Jan 1989 20:27

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In article <8901151644.AA17944@Portia.stanford.edu>, name@PORTIA.STANFORD.EDU (tony cooper) writes:
> According to my calculations 2^24 is 16 Megabytes. So why is the virtual
> memory INIT limited to just 8Mb? Then the next question is: Why stop at
> 2^24? Why can't the virtual memory be as big as the disk? If no program
> uses more than 2Mb then you could have 40 such programs on the disk with
> each program being swapped into the 4MB of ram whenever it is it's turn
> to get some CPU time.
...


> 
> Tony Cooper

The ROM on a Mac II is mapped in starting at 8 Meg.        

Jim Christy
3Com Corp.

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!seismo!sundc!pitstop!sun!oliveb!3comvax!jimc

References: <8901151644.AA17944@Portia.stanford.edu>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!seismo!sundc!pitstop!sun!oliveb!3comvax!jimc
From: jimc@vax.3Com.Com (Jim Christy)
Newsgroups: comp.sys.mac
Subject: Re: Virtual Memory INIT
Summary: memory maps
Message-ID: <2196@3comvax.3Com.Com>
Date: 18 Jan 89 20:27:32 GMT
References: <8901151644.AA17944@Portia.stanford.edu>
Organization: 3Com Corp., Santa Clara, CA
Lines: 17

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