Or get a flat cable. You could run it under the mobo. Just plug it in the board, loop it under the board so it's running straight up, then do a 90° fold of the cable at the proper height to match the drive. That should have it flat still, running beneath the board to the front of the case where the drive is. I ran my 975x system like that before I got my SATA drives and you had to really look to tell there was an IDE drive in it.