48-Bit LBA Support for ATAPI Disk Drives in Windows 2000


To resolve this problem, obtain the latest service pack for Windows 2000.


The following conditions are necessary for the correct functioning of 48-bit LBA ATAPI support:


• A computer with a 48-bit LBA-compatible Basic Input/Output System (BIOS) installed.


• A computer with a hard disk that has a capacity of greater than 137 gigabytes (GB).


• You must enable the support in the Windows registry by adding or changing the EnableBigLba registry value to 1 in the following registry subkey:


To enable 48-bit LBA large-disk support in the registry:

1. Start Registry Editor (Regedt32.exe).


2. Locate and then click the following key in the registry:


3. On the Edit menu, click Add Value, and then add the following registry value:

Value name: EnableBigLba

Data type: REG_DWORD

Value data: 0x1

4. Quit Registry Editor.