Power Mac G4: Mac OS 9 - "About This Computer" Window Displays Unexpectedly Large Mac OS RAM Usage

On some Power Mac G4 computers, the Mac OS 9 "About This Computer" window indicates that the Mac OS is using a large amount of memory (RAM).
Symptom

The Mac OS 9 "About This Computer" window indicates the Mac OS is using an unexpectedly large amount of RAM (up to 600 MB). This happens when:

Note: The virtual memory setting does not matter because you cannot turn it on when more than 1 GB of RAM is installed.




Solution

The Mac OS is not actually using this much RAM. This is a cosmetic issue and not a cause for concern.

Note: This does not occur when using Mac OS X or the Classic environment.

Published Date: Oct 10, 2016