Use Asynchronous or Synchronous Buffer Commits (Windows 95/98/Me)

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Registry tweaks, tricks & hacks to optimize, enhance and secure Microsoft Windows.

Use Asynchronous or Synchronous Buffer Commits (Windows 95/98/Me)
Category: Home > Windows > File System > Caching and Memory

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This setting changes function calls to the File-Commit API to return immediately back without checking the data has been correctly written to the disk drive. By default Windows uses synchronous buffer commits, this setting allows you to enable asynchronous as an alternative for applications that may need this functionality.

Open your registry and find the key below.

Create a new DWORD value, or modify the existing value called 'AsyncFileCommit' using the settings below.

Exit your registry, you may need to restart or log out of Windows for the change to take effect.


(Default)	REG_SZ	(value not set)
AsyncFileCommit	REG_DWORD	0x00000001 (1)


	HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\FileSystem

Settings:

System Key: [HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\FileSystem]
Name: AsyncFileCommit
Type: REG_DWORD (DWORD Value)
Value: (0 = sync, 1 = async)

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: May 14, 2002

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