After looking over the drive on the IO Magic site and seeing the min sys
requirements, I must say that it should work with XP. If the bios is not
seeing it, it might be because the 40 pin connector needs replacing or is not
installed correctly. Sometimes a new cable is included with new devices, if
you are using the old cable connector it may be less than what you need. Is
the power to the drive allowing you to open the disk tray? If you say someone
else installed the drive, well, your at their mercy as to whether it was
installed right and tight. Remember the old adage, if you want something done
right you may need to do it yourself, or just take it to the shop as a last
resort.
j;-)