MacBook Core Duo RAM Replacement - iFixit Repair Guide
4GB 2x 2GB DDR2 Laptop SODIMM Memory For Apple MacBook A1181 (13" 2.0GHz Black) | eBay
MacBook Core 2 Duo RAM Replacement - iFixit Repair Guide
A-Tech 1GB Memory for Apple MacBook and MacBook Pro PC2-5300 667MHz Ram A1181 A1150 A1151 A1212 A1211 MA611LL/A MA610LL MA609LL MA092LL/A MA601LL at Amazon.com