iBook | G4 | 1.2 GHz | 14 Inch | Early 2004 - Techable.com
16GB Memory HP ProBook 640 G4 DDR4 RAM Upgrade
Amazon.com: parts-quick 512MB Memory RAM Upgrade for Apple iBook G4 1.33GHz, 1.42GHz DDR PC2700 SODIMM Brand : Electronics
OFFTEK 1GB Replacement Memory RAM Upgrade for Apple iBook G4 A1054 (PC2100) Laptop Memory at Amazon.com
1GB RAM Memory for Apple iBook G4 1GHz 12.1" (M9427LL/A) Black Diamond Memory Module DDR SO-DIMM 200pin PC2100 266MHz Upgrade System Specific Memory - Newegg.com
Best Buy: CMS 1GB MEMORY UPGRADE PC2100 DDR 266MHZ 4 Apple iBook G4 1.25GHz 12 (M9623LL/A) CM128642100SO006