Thank you very much.
By the way, my system is pretty much same to yours:

CPU:P4-1.6A GHz oc 2.16GHz (on 1.34v)原廠風扇
MB:GigaByte GA-8IRXP (Sound+LAN+USB 2.0)
VideoCard:ATi READON 7000(Gigabyte)
DVD-ROM:Creative 5X
CD-RW:LITE-ON LTR-24102B