My Decade Driver: a 2008 vintage Lenovo Thinkpad T61! New battery, SATA SSD, and RAM upgrade. A bit sluggish but it works! : r/retrobattlestations
First Impressions: Lenovo's new 14 inch T61 and R61 Thinkpads
Lenovo T61 Ram for sale | eBay
Lenovo Thinkpad R61 Upgrades | IMNC - YouTube
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
IBM Thinkpad T61 RAM Replacement - iFixit Repair Guide
8GB (2x4GB) MEMORY RAM FOR IBM Lenovo ThinkPad T61, T61p DDR2 A41 | eBay
4GB 2X2GB Memory RAM for Lenovo ThinkPad T Series T61 ( Type 7665 ) 200pin 667MHz PC2-5300 DDR2 SO-DIMM Black Diamond Memory Module Upgrade System Specific Memory - Newegg.com
Tutorial: How to upgrade ram in a T61 Thinkpad - YouTube
Lot of 2 Lenovo, ThinkPad T61 15.4" and T500 For Parts #XX121 – ASA College: Florida
CMS 8GB (2X4GB) DDR2 5300 667MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with IBM Lenovo® Thinkpad T61, T61P Ddr2 Pc5300 Sodimm - B116 at Amazon.com
T61 - Wiki
IBM Thinkpad T61 RAM Replacement - iFixit Repair Guide
Lenovo Thinkpad T61 Tutorial how to Remove & Hard Drive-Upgrade Memory DDR2 667 MHz - YouTube
Lenovo Thinkpad T61
IBM Thinkpad T61 RAM Replacement - iFixit Repair Guide