In my experience, it usually boils down to whatever software ships with the drivers. I had a trackpad driver once that caused an extra 5-10 seconds boot time on

In my experience, it usually boils down to whatever software ships with the drivers. I had a trackpad driver once that caused an extra 5-10 seconds boot time on an SSD under Windows 7. All because it had to load its own custom branded control panel in order for scrolling to work.