可到這個站台模擬..
http://med.tmu.edu.tw/~tacoChang/A64Freq.php
其它細節 http://www.google.com 有很多資料. 搜尋一下 "怎麼除頻".
除頻比率表(概略算法)
200 = HTT x 1 =200
183 = HTT x .90 = Mhz
166 = HTT x .83 = Mhz
150 = HTT x .75 = Mhz
133 = HTT x .66 = Mhz
100 = HTT x .50 = Mhz
例:HTT 300 x .0.66 = 198Mhz = DDR400 也就是除頻 133...