Madcatz SFIV fightpads: are they common ground?

has anyone modded any of these sfiv xbox 360 fight pads?

and if so are they common ground?

also how do these pcb’s comapre to the gamestop pcbs?

you might wanna try asking talking_chicken he’s got one of those in his stick hoep that helps!

this “tallking chicken” needs to be got a hold of, where is this homey?

http://forums.shoryuken.com/showthread.php?t=188534

his is at the very bottom of the thread!