hi sami, i had tried those software, but none of them were work. and also i also try KillCmos, and any other software, no luck!
i had Toshiba Satellite C800D.

and also, i had try the hardware-way
i found removable cmos battery which name RTC (when i removed it from mainboard) with two kind wire (black-red) on it. it near the HDD slot, not around or bellow RAM slot.
i had unplug it for 1 minuts, 15 minutes, 30 minutes, and re-plug in. power on and enter the bios, the timer indeed being reset to 01-01-2010, but, the supervisor password is still not clear.
the problem is, i want to remove the supervisor password, since i don't know the password.
i also had tried backdoor password, but none of them works.
can you help me, thank's