Opened mine up, checked the numbers, here's what I see:
Removed the metal "bay" for the drive, which requires two screws and all the screws holding the port cover on. Note the drive itself is not screwed down, it's held in by cushions and a small lip of the metal bay. Very secure, also very protected from shock.
Under there is:
REV 034AW MG93
Fujitsu Japan
CA25280-B40506
CA20280-B40X
HCD90 (Maybe H0D90)
VB06AA
On the board where the memory sits:
REV 92056
CA20280-B50X
CA25280-B50506
Anyone else locate information about this board. I'm mostly interested in USB possibilities, but any missing jumpers/switches we can add for overclocking and the like would be interesting.