Originally Posted by
ajnz
There should still be a product model which looks like NNNN-XXX. My R40 was 2722-GDM. All IBM/Lenovo products should carry this, and it is really specific right down to the config the product left the factory with.
All T60s/T61s/T61ps I've used in the last year have still carried their respective model numbers on them.
Used to be like that but T60 came with 2613-CTO on the bottom. I think they use the serial number to track the configuration now.