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 14" Laptop For Parts No Keyboard/HDD/RAM/Charger JR | eBay
IBM Thinkpad T61 Troubleshooting - iFixit
Lenovo Thinkpad R61 Upgrades | IMNC - YouTube
Lenovo ThinkPad R61 15" Laptop- 1.8 GHz Intel Core 2 Duo, 4GB RAM, Hard Drive or Solid State Drive, Win 7 PRO
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CMS 2GB (1X2GB) DDR2 5300 667MHZ NON ECC SODIMM Memory Ram Upgrade Compatible with Lenovo® Thinkpad R61 Notebook Series - A38 - Walmart.com
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
Tutorial: How to upgrade ram in a T61 Thinkpad - YouTube
Refurbished Lenovo ThinkPad R61 Laptop Core 2 Duo 2 Gb Ram 160Gb HDD Windows 7