http://www.computerworld.com.au/idg2.nsf/a/0D2D906710DBEB9DCA256C9100172894?OpenDocument Built with commodity components, the 20-node GWS Beowulf cluster operates on Mandrake 9.0 Linux. The 4U rack mount chassis uses two Athlon MP 2000+ CPUs, with 1.024GB of DDR RAM and fixed disk storage of 800GB. Cheers; Leon