Note: Microsoft Windows HDAudio Class Device & Pin Config Default

Open Regedit on Windows XP SP1 and later version.

Goto the path [HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass{4D36E96C-E325-11CE-BFC1-08002BE10318}]

and to enumration “MatchingDeviceId”  value is  “^hdaudio” (RegExp)

like the below picture


You can under {4D36E96C-E325-11CE-BFC1-08002BE10318}05 match the condition. So it is a HDAudio codec and in XP use “InitVerbs” to setting the Node/Pin config, But in Vista/Win 7 is use “PinConfigOverrideVerbs



You can to modify the PinConfig Value to change Audio device setting to verify something when developering Audio Driver/Testing WHQL.


Microsoft HD Audio Pin Configuration Implementation Test Procedure Guidelines.

Microsoft HD Audio Tool

update the message from,  Microsoft HD Audio Tool for Win7 only now.

Hi Kun-Yi;
You can get a public version that works with Windows 7 at  It’s tied to Windows 7 because we included driver features in Windows 7 that are necessary for the tool to work, and that let us post it publicly.  You must use the Windows HDAudio drivers when using the tool.

PS. 之前是解Windows Mobile Loge Test Kit Issues 現在換成解 Windows Hardward Quzlity Labs Testing. 不知道有沒有殺蟲執照可領?



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