Hello

You can use the LifeCycle controller to perform firmware and BIOS updates. You can use Dell EMC Repository Manager to create your own Server Update Utility image. I think we may also have an SUU available on the system download page. If you run the SUU from within the OS it should include drivers.

http://www.dell.com/support/

http://www.dell.com/idracmanuals/

http://www.dell.com/openmanagemanuals/

Thanks