Incidentally this is also how some software detects it's inside a VM --- physically impossible hardware combinations. A real 440FX doesn't support more than 1GB of RAM. Also interesting to note that it was a predecessor of the famous 440BX which was highly popular shortly before the turn of the century.
It's somewhat amusing to see an Apple OS behaving nicely with an emulated modern CPU connected to 20-year-old PC hardware:
https://en.wikipedia.org/wiki/Intel_440FX
Incidentally this is also how some software detects it's inside a VM --- physically impossible hardware combinations. A real 440FX doesn't support more than 1GB of RAM. Also interesting to note that it was a predecessor of the famous 440BX which was highly popular shortly before the turn of the century.