1GB Stick for IBM Lenovo ThinkPad T Series T60 Type 8741 8742 8743 8744. SO-DIMM DDR2 Non-ECC PC2-5300 667MHz RAM Memory. Genuine A-Tech Brand. at Amazon.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
Installed on an IBM ThinkPad T60 laptop recently “upgraded” to 2GB of RAM. Catching up on updates since my retail copy is the day 1 release and does not include SP1. :
IBM Thinkpad T60 RAM Replacement - iFixit Repair Guide