> 3: or give me some introduce of FDC. http://en.wikipedia.org/wiki/Floppy_disk_controller
HTH, chenwj -- Wei-Ren Chen (陳韋任) Computer Systems Lab, Institute of Information Science, Academia Sinica, Taiwan (R.O.C.) Tel:886-2-2788-3799 #1667 Homepage: http://people.cs.nctu.edu.tw/~chenwj