Yes its possible, check these out:

How to set up dual boot after you install windows

multibooting 2000 & xp

Dual boot XP and ME

If these dont help, try google, if that doesnt help, PICK ONE!

Good Luck

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MSI 875P NEO-LSR Mainboard - Intel P4C 3.0Ghz (800Mhz FSB) - 2 x OCZ PC4000 512MB DIMMs - 4 x WD800JB 80GB/8MB Cache (RAID 0+1) - SB Audigy Platinum eX - ATi Radeon 9800 Pro AIW - Sony Trinitron 19" - Windows Server 2003 Enterprise