Re: System 7.0

Article View: comp.sys.mac

Article #42565

#42565

From: Larry Rosenstein
Date: Mon, 15 May 1989 17:43

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In article <7942@batcomputer.tn.cornell.edu> 
chow@batcomputer.tn.cornell.edu (Christopher Chow) writes:
> Not true.  The 8Mb RAM limit is only under a 24-bit addressing mode.  
Since
> system 7.0 will be running under 32-bit mode, you can have globs of 
memory.

System 7.0 will run in either 24 or 32-bit mode.  I believe that a reboot 
will be required to switch between the two.  32-bit clean applications 
will run in either operating mode, while non-32-but clean applications 
will only run in 24-bit mode.  (Apple has defined a bit in the SIZE 
resources that indicates if an application claims to be 32-bit clean.)

Also, when running in 24-bit mode and using virtual memory, the size of 
the virtual address space can be up to 8Mb plus 1 Mb for each free NuBus 
slot.

Larry Rosenstein, Apple Computer, Inc.
Object Specialist

Internet: lsr@Apple.com   UUCP: {nsc, sun}!apple!lsr
AppleLink: Rosenstein1

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!apple!Apple.COM!lsr

References: <599smithw@yvax.byu.edu> <SARREL.89May14224531@galley.cis.ohio-state.edu> <7942@batcomputer.tn.cornell.edu>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!apple!Apple.COM!lsr
From: lsr@Apple.COM (Larry Rosenstein)
Newsgroups: comp.sys.mac
Subject: Re: System 7.0
Message-ID: <1858@internal.Apple.COM>
Date: 15 May 89 17:43:58 GMT
Sender: usenet@Apple.COM
Organization: Objects-R-Us,  Apple Computer, Inc.
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References: <599smithw@yvax.byu.edu> <SARREL.89May14224531@galley.cis.ohio-state.edu> <7942@batcomputer.tn.cornell.edu>

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