My compaq proliant has similar software and it is from 1998.

Interesting that a few years ago I retired an IBM iSeries, albeit a low end model, for an AMD Opteron machine only to gain a 5x performance improvement with Lotus Domino and 75% power usage reduction.

I'm guessing that those 250 servers referred to in the article are non virtualized Dual processor Netburst Xeons. Most x386 based data centers I see today are now heavily virtualizing and don't have the capital to afford multiple million dollar big iron systems from IBM that also rely heavily on virtualization.