yep as cavemanoc has said 2cpu is the best place for info but i can tell you quickly you're best chances are with a 680i or some of the older 975x asus workstation boards.....in general p35/x38 boards are few and far between reported working.
my perc 5/i also works with my DFI Ultra-D
my perc 5/i also works with my DFI Ultra-D