I am very new to DS Flash kits and accessories. I have an Acekard 2.1 that works wonderfully and recently purchased an EZ-Flash 3-in-1 to get the added GBA support and rumble. When I received the unit, I put it in Slot-2 and as soon as I turned on the DS, it began to rumble at max strength and did not stop until I removed it or turned off the DS. I have seen other topics in this forum about 3-in-1s rumbling nonstop when a game is started because the DS or Flashkit is trying to access the RAM and getting the rumble module instead, but this is different. This rumble starts as soon as the DS is turned on and does not seem to involve the Acekard. The GBA functionality works perfectly, by the way, and the Acekard's built in 3-in-1 support menu works as well. Anyone have this same problem or know why it is happening?