A.
http://support.microsoft.com/default.aspx?scid=kb;en-us;Q305098&gssnb=1
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To enable 48-bit LBA large-disk support in the registry:
Start Registry Editor (Regedt32.exe).
Locate and then click the following key in the registry:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Atapi\Parameters
On the Edit menu, click Add Value, and then add the following
registry value:
Value name: EnableBigLba
Data type: REG_DWORD
Value data: 0x1
Quit Registry Editor.