I don't know about
firewire, but USB is powered so it may fry it.
( sprinkles ITS AN ISLAND, morron, Sun 3 Jul 2005, 22:05, archived)

if both pin 2's are 5 volts
no great big bang expected there
( Enigmatic ™                 Voice No More                  ©, Sun 3 Jul 2005, 22:07, archived)

If it does cause SOME damage though....
*consider making revenge kit for disgruntled employees*

*...*

*profits*
( sprinkles ITS AN ISLAND, morron, Sun 3 Jul 2005, 22:10, archived)

my usb port on my laptop got broken
and i sort of fixed it with some silver foil and some cardboard(!) and it worked ok, but if the foil touched two pins at the same time the machine just rebooted.
(Brad Dice, Sun 3 Jul 2005, 22:11, archived)

Blue Peter would be proud

( Enigmatic ™                 Voice No More                  ©, Sun 3 Jul 2005, 22:12, archived)