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
OFFTEK 2GB Replacement Memory RAM Upgrade for IBM-Lenovo ThinkPad R61 (8933-xxx) (DDR2-5300) Laptop Memory at Amazon.com
IBM Thinkpad T61 RAM Replacement - iFixit Repair Guide
How to replace fan in Lenovo ThinkPad T61 – Inside my laptop
How to replace fan in Lenovo ThinkPad T61 – Inside my laptop
2GB 2X1GB Memory RAM for Lenovo ThinkPad R61 Series DDR2 SO-DIMM 200pin PC2-5300 667MHz Black Diamond Memory Module Upgrade System Specific Memory - Newegg.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) - Walmart.com
LENOVO THINKPAD R61 Intel Core 2 Duo 3GB RAM 160GB HDD WIFI LINUX MINT | eBay
LENOVO THINKPAD R61 Intel Core 2 Duo 3GB RAM 160GB HDD WIFI LINUX MINT | eBay