Short but powerfull:
What about 800 being 6 times 133,33?
Greetz,
Bikeman
PS: Though it would surprise me, too, if the two CPU's (one at 800 MHz and one at 933) working together on one mobo. Though I cannot think of any reasons why not, actually, if both FSB are the same ...
<i>Then again, that's just my opinion</i>