3 Things to Know About PowerBook G4 Upgrade Limits

The CPU is soldered to the logic board The PowerPC G4 processor cannot be removed or replaced. There is no socket for upgrades.

The GPU is also soldered The ATI Mobility Radeon graphics chip is permanently attached. You cannot swap it for a better one.

What you buy is what you get Neither the processor nor the graphics card can be upgraded. Choose your configuration carefully at purchase.