Power Macintosh G3 (Blue and White): No Upgrade for Processor Cache
The processor cache of the PowerPC G3 microprocessor used in Power Macintosh G3 (Blue and White) computers cannot be expanded.
The back-side L2 cache is integrated into the desgn of the PowerPC G3 microprocessor module used in the Power Macintosh G3 (Blue and White). Therefore, the cache cannot be expanded unless the entire module is replaced.