This is possible by using the Vendor provided solutions to update the Bios and drivers. There are tools from HP that allows you to remotely change Bios configs. It's called SSM, which can be used from the command line on certain business models.
http://h20331.www2.hp.com/hpsub/cache/284133-0-0-225-121.html?jumpid=ex_R2845_vanityim/gossm/ka011106