容量計算方面.....
個人是用較簡單的計算方式.....
一個磁區以 2048 byte 計算 (Mode 1) (音訊則以 2352 做計算)
一秒中有 75 個 Sector (磁區)
一分鐘有 60 秒
>>>
2048 x 75 x 60 = 9,216,000 byte (一分鐘)
除以 1024 = 9000 KB
除以 1024 = 8.7890625 MB
74Min = 74 x 8.7890625 = 650.39062 MB (約)
80Min = 80 x 8.7890625 = 703.125 MB (約)
90Min = 90 x 8.7890625 = 791.01562 MB (約)
99Min = 99 x 8.7890625 = 870.11718 MB (約) |