CMS 2GB (1X2GB) DDR2 5300 667MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Lenovo® Thinkpad R61I 8932, 8943-Xxx - A38 at Amazon.com
Lenovo Thinkpad R61 Upgrades | IMNC - YouTube
Lenovo ThinkPad R61i - RAM Replacement - YouTube
Lenovo Thinkpad R61 RAM-Memory (1 Gig) | Replacement Part
1GB [1x1GB] Memory RAM Upgrade for the Lenovo ThinkPad R61i, T61, T61p Laptops | eBay
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