2GB Memory RAM Upgrade for the Lenovo Thinkpad R61 Series, T60 Series, T61 Series, X60 Series and X61 Series Laptops (DDR2-667, PC2-5300, SODIMM) at Amazon.com
Lenovo Thinkpad R61 Upgrades | IMNC - YouTube
Lenovo Thinkpad R61i 15.4" HDD 250 Go T5450 3 Go Windows 7 Pro
1GB [1x1GB] Memory RAM Upgrade for the Lenovo ThinkPad R61i, T61, T61p Laptops | eBay