It is my understanding that most computer cooling fans have a diode hard wired inside the motor to keep the fan spinning only one way, so you cant just swap the red wire with the black wire to make it spin backwards. Also there doesnt look to be any way to physically turn the fan over so that...
At my work we repair P.O.S. (Point of Sales) equipment, and we usually get 20-40 packages in every day, via the UPS semi. Well one day our driver was unloading boxes for us, and one box he handed us wasn't ours, we told him that, he looks at the package throws in down, not just dropping it...
Is there and FCC ID# on the mobo anywhere? If there is click this link
http://www.driverzone.com/fcc_id_search.htm
The first 3 characters are the company code, the next 14 are the product code. (entering the first three alone will get you the company name)
Good Luck