Microsoft KB Archive/825537

= Cannot Use RAM Doubler to Improve Virtual PC for Mac Performance =

Article ID: 825537

Article Last Modified on 2/11/2005

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APPLIES TO


 * Connectix Virtual PC for Mac 5.0
 * Connectix Virtual PC for Mac 6.0
 * Microsoft Virtual PC for Mac Version 6.1
 * Microsoft Virtual PC for Mac Version 6.1.1 Update
 * Microsoft Virtual PC for Mac Version 7 with Microsoft Windows 2000 Professional
 * Microsoft Virtual PC for Mac Version 7 with Microsoft Windows XP Home Edition
 * Microsoft Virtual PC for Mac Version 7 with Microsoft Windows XP Professional

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SYMPTOMS
You cannot use Connectix RAM Doubler to improve Virtual PC for Mac performance.



CAUSE
This issue occurs because RAM Doubler does not provide more usable memory for a Virtual PC virtual machine. To allocate memory in Virtual PC, you must use real physical memory, not virtual memory that RAM Doubler creates.

Microsoft does not recommend that you use RAM Doubler with Virtual PC for Mac, even if you have a large physical memory.



MORE INFORMATION
For additional information about how Virtual Memory works on a Macintosh computer, click the following article numbers to view the articles in the Microsoft Knowledge Base:

120506 How Virtual Memory Works on a Power Macintosh

141682 How to Change Memory Allocations for Macintosh Programs

Keywords: kbprb KB825537

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