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Q: Macintosh RAM image ( No Answer,   1 Comment )
Question  
Subject: Macintosh RAM image
Category: Computers
Asked by: macnewbie-ga
List Price: $6.00
Posted: 06 Jan 2004 07:58 PST
Expires: 05 Feb 2004 07:58 PST
Question ID: 293657
Please breakdown following task into laymans language.Then ,if
possible rephrase TASK so I can ask a computer shop to produce a RAM
image.I need 3 items to produce a Machintosh emulator(to run Flash
MX)),1st Softmac,2nd machintosh operating system,3rd macintosh RAM
image.The later,RAM image, being the basis of this question.TASK,ROUGH
DESCRIPTION,Subject: Re: Copy of machintosh rom for RAM image,
     
G3 Macs, iMacs, and others copy the ROM to protected RAM on boot.
Dumping an image to disk should be possible.

There is a utility called ROAM that copies the ROM to RAM and is
compatible with MacOS 9.04.

ROAM - Accelerate your ROM!
http://www.stg.com/employees/sbytnar/projects/rom_accelerator.html

"What is ROAM?

ROAM copies the ROM into RAM, and then causes the ROM memory to be
accessed from the RAM based copy instead of from the actual ROM DIMM.
This can possibly speed up PowerMacintoshes that do not already map
ROM into RAM."
 

ROAM 
http://www.versiontracker.com/dyn/moreinfo/mac/3854


Obviously, you would need another utility (MacsBug?) to dump the RAM image to disk.
Answer  
There is no answer at this time.

Comments  
Subject: Re: Macintosh RAM image
From: tuti-ga on 02 Feb 2004 10:44 PST
 
Are you speaking aboyt the openfirmware that all Macs have??. The
openfirmware is stored in the hard disk and the Mac doesn't boot
without it.

There are several methods to see the openfirmware. I post a web (Suse
version for PPC) that explain it.

http://sdb.suse.de/sdb/en/html/olh_ppc_openfirmware.html

Luck!

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