The rig was apparently running off of a Gigabyte GA-890GPA-UD3H motherboard—the very same we reviewed three days ago. All four memory slots were packed with DDR3-1333 Corsair memory, and the AM3 socket played host to an AMD engineering sample processor bearing cryptic markings (one of which suggested the CPU needs 1.3V of juice).
A display hooked up to the board's integrated graphics showed a Task Manager activity history with six graphs, confirming all six cores were indeed functional. For what it's worth, Aero graphics were apparently enabled, as well.
Fudzilla writes that Thuban "is still in its early stages and AMD simply wanted to show that it works on AM3 motherboard." The site goes on to say Thuban-based Phenom II X6 processors will have 6MB of L3 cache and a "C-state performance boost feature," which as we've written before, may mirror the Turbo Boost functionality of Intel's latest Core processors.
Last week, the rumor mill suggested that the first Phenom II X6 processors will debut on April 26. An older report mentioned three launch products—a Phenom II X6 1035T, Phenom II X6 1055T, and Phenom II X6 1075T—but today's Fudzilla story says we'll only see two Thuban variants at first.