The only thing that would be needed for seeing XP gp on would be the Sata/Raid drivers for the board. With the motherboard cd in look through the utilities section for a disk creation tool.
Once you go to install Windows you press F6 on the first screen with the floppy in the drvie. As you browse to the floppy itself the installer will suddenly recognise one of the main drivers and copy to load those. That will allow the installer to detect and list the drive where you then choose the primary for XP to go on.
GParted live will easily create the partitions while the XP installer will format the primary as the setup files arre copied to it. Later you can simply right click on the second partition while in the Disk Management tool. If you want your optical drive seen as D you also reassign the drive letter designed for the storage partition.