It's the integrated contoller on the motherboard. And yes, I thought that they should be integrated, even Acer states on their driver download website that only the drivers that are not internally supported by Windows are listed.
However, all Microsoft Updates are applied, incuding the Service Pack and every time I search for the drivers, it tells me that Windows cannot install them. And I bought two netbooks of the same kind, it's the same on both, so the likeliness that it's a fault is very, very low, if that is amongst the thought patterns.
I didn't wanna use the Home Premium preinstall that came with it, but my Ultimate version of Windows 7 64-bit. The preinstall had the drivers and it was working, so I'm a little at a loss here.