661-2820B Apple Memory 256MB iBook G4/PowerBook G4
Mac Titanium PowerBook G4 review.
1GB RAM Memory for Apple PowerBook G4 M9008LL/A (1.0Ghz 12-inch) Black Diamond Memory Module DDR SO-DIMM 200pin PC2100 266MHz Upgrade - Walmart.com
My PowerBook G4 12" Journal - Full tear down, SSD upgrade and CPU Fan. | MacRumors Forums
12-inch PowerBook G4 upgrade complete! : r/mac
1GB RAM Memory for Apple PowerBook G4 M9690LL/A (1.5Ghz 12-inch) Black Diamond Memory Module DDR SO-DIMM 200pin PC2700 333MHz Upgrade System Specific Memory - Newegg.com