queries regarding fedora core 3

[Shibu Clement Phd aero]

I have few days back I have installed fedora core 3 on mu computer. It is
having dual operating system. The other operating system is WindowsXP. Now
I am not able to boot windowsXP. Can you give me a proper solution for
this. I am a very bad shape. Waiting for your postive and prompt reply. My
system is Pentium4, 3.2 Ghz with HT. The mother board is intel D865GVHZ.
regards,
Shibu