seagate 80GB barracuda hard drive

Dear sir!
i have intel (D865 GLC) board and windows 2000 server O.S.i bought a seagate 80GB barracuda hard drive(fresh or no partition are made) when i boot my copmuter from windows 98 this H.D show 10GB total space of drive and when i boot from windows 2000 server this show 32GB total space of this drive.i would like to create 4 partition each has 20GB space of 80GB drive, does my motherboard support of 80gb? if yes how i create my own partition
plz solve this problem with your experience .

thank you