Requirements for support of 48-bit LBA (Exceeding 137Gb HDD size limit):
Windows 2000 with Service Pack 3 or better or XP with Service Pack 1 or better
or
You must enable the support in the Windows registry:
Enable 48bit LBA support for ATAPI in W2K:
http://support.microsoft.com/default.aspx?scid=kb;en-us;305098
Enable 48bit LBA for ATAPI in XP:
http://support.microsoft.com/default.aspx?scid=kb;en-us;303013
AND
Your mobo must support 48bit LBA (Large Block Addressing) - check the manufacturer's website for BIOS updates
OR
Install latest Motherboard Chipset Driver patch (in some cases - particularly Intel P4 mobos)
OR
Install an add-on 48bit LBA capable controller card.