XP on 8MHz Intel Pentium and 20MB RAM

swehack writes: "The germans over at Winhistory.de managed to get their Windows XP Professional to run on an Intel Pentium clocked down to 8MHz and 20MB RAM. Here is the english version of their article, with plenty of pictures. On a related note they also won the golden hourglass for 'extreme waste of time'. What obscure hardware configurations have you managed to get Windows running on?"