IBM ThinkPad T41 Motherboard Replacement - iFixit Repair Guide
43y9047 42w7791 42w7876 44c3928 42w7652 Main Board For Lenovo Ibm Thinkpad T61 15.4" Laptop Motherboard Type 6458 965pm Free Cpu - Laptop Motherboard - AliExpress
91P7182 IBM Lenovo System Board for ThinkPad T40 (Refurbished)