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Problem with Large Page Memory adressing in Windows 2000 causing the OS to crash with certain video drivers like nVIDIA GeForce and Matrox G400. The problem is caused by the memory manager of Windows 2000 which uses 2MB pages when using PAE (Page Adress Extension). With Windows NT4 this was only used with PSE36. Windows 9x never had such a powerful memory manager.
Large Page Memory addressing is needed when using more than 4GB of RAM.

A workaround by AMD reduces the maximum page size to zero.

Open the Registry and insert the following key at:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management
Value Name: LargePageMinimum
Data Type: REG_DWORD
Radix: Hexadecimal

Notice: Reducing the memory page size fragments the memory which might decrease graphics performance because the TLB (Translation Lookaside Buffer) has to be reloaded more often.