In order to flash your F3jp notebook with this bios do following:
1- Put the bios file F3JP205.t1 directly under root directory C.
2- Restart your computer.
3- At the startup press F4, this should start the flash utility directly.
No need to go to bios by pressing F2. You can start the utility directly by F4.
5- Under the flash utility navigate to root directory C.
6- Select the file F3JP205.t1.
7- Then just select to flash it.
8- After a successful flash the computer will shut down.
9- Restart the computer.
10- Press F2 to go to the bios.
11- Load the manufacturer default setting.
12- Save the settings and exit.
It is important that you restore the default manufacturer setting after flash otherwise sometime the Windows XP can crash after you restart your PC for first time.
Windows may say that it has found new hardware. Usually it will install the drivers automatically, if not than provide it with your driver CD.
Good luck.