IBM Thinkpad T61 RAM Replacement - iFixit Repair Guide
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
8GB (2x4GB) MEMORY RAM FOR IBM Lenovo ThinkPad T61, T61p DDR2 PC5300 SODIMM | eBay
Lenovo Thinkpad T61 RAM Upgrade - YouTube
IBM Thinkpad T61 RAM Replacement - iFixit Repair Guide
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 : Amazon.in: Computers & Accessories