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Fix Problem with Athlon Hanging AGP Programs (Windows 2000/XP) Popular

Windows may stop responding when you use an Accelerated Graphics Port (AGP) program with an AMD Athlon processor. This is due to the memory allocated by the video adapter driver becoming corrupted.

This tweak can be easily applied using WinGuides Tweak Manager.
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Open your registry and find the key below.

Create a new DWORD value called "LargePageMinimum" and set it to equal "0xffffffff" (or 4294967295 in decimal).

Restart Windows for the change to take effect.

Note: This behavior is known to occur with Nvidia GeForce 256 and Matrox G400 video adapters on computers with AMD Athlon processors. This behavior is not specific to any particular video adapter type.

Registry Editor Example
|(Default)REG_SZ(value not set)|
|LargePageMinimumREG_DWORD0xffffffff (4294967295)|
|HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session ...|
Registry Settings
System Key: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\
Memory Management]
Value Name: LargePageMinimum
Data Type: REG_DWORD (DWORD Value)
Value Data: 0xffffffff (4294967295 decimal)

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Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.

Last modified: July 28, 2002