A free compatibility list for Windows compatible operating systems https://www.ntcompatible.com/compatibility/ 1 2000-05-01T10:00:00+00:00 HP Omnibook 900/4150 1/compatibility/report/hp-omnibook-900-4150/ Hewlett Packard Hewlett Packard Hardware/General Windows 2000 2000-05-01T10:00:00+00:00 Anonymous Windows 2000 5 Both of these fine machines work great under Win2K Pro final retail release. Be sure to go to HP's support site and get the Win2K version of all drivers & BIOS update, and also read their helpful advice on installing Win2K on the machines! www.hp.com/go/omnibook  https://www.gnu.org/licenses/lgpl-3.0.html