Comment 3 for bug 227869

The reason we do it with preseeding rather than by run-time detection is because otherwise the server kernel ends up being installed for *all* PAE-capable machines that perform a netboot installation, which I don't think is appropriate. Unfortunately you can't assume that the -server kernel should be used if it's available and the system supports it, otherwise this would be a lot simpler.

We need some way to select the -server kernel if the system is capable of it, if it's available, *and* we're installing from the server CD. Right now, there's no mechanism that would permit this, so one would have to be invented.