03T6559 IBM System Board (Motherboard) for ThinkCentre M91P USFF (Refurbished)
Motherboard 03T8351 for Lenovo Thinkcentre M91p SFF
Need the magic of reddit to help identify a budget motherboard for my lenovo m91p as I bought a original Lenovo motherboard from ebay and idk just a guess it didn't work..