I got an ASUS A8N-SLI and I am confused about the dividers. It has the following dividers: 200, 266, 333, 400, 433, 466, 500, 550, and 600. Can anyone tell me what each of them is as a fraction? So far it seems like 333 is 5/6 and 400 is 1/1. Any help would be great.