CMS laptop booting windows 7, upgraded internals including processor and RAM

Took an old CMS laptop running normally with windows 3.1 with a 20MHz intel i386 processor and 3 MB's of RAM and threw in a new motherboard with a 2.6 GHz P4 and 2 GB's of RAM. Runs Win7 with little problems. Model: CMS NB386SX20-40 S/No: P022-1I15646