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Universal Audio Architecture (UAA) High Definition Audio class driver


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I think I know the answer but would like an opinion or three.

I have figured out how to integrate the KB888111 hotfix and have been tinkering with including the driver through the OemPnPDriversPath approach in Winnt.sif. My question is this.

When I integrate KB888111 it installs portcls.sys v5.1.2600.1364 (xpsp2.040109-1800) 16mar04. all the docs on the MS website say .1364 is the one that should be there.


by unpacking KB888111 and placing the contents of commonfiles in the right place, the correct HD driver installs however, the version of portcls.sys that comes with KB888111 doesn't get installed. instead a version that came with the base OS appears to be installed. this version is 5.1.2600.2180 (xpsp_sp2_rtm.040803-2158) 3aug04.

my gut tells me that the .2180 version is the one to stick with and use, but then i'm left wondering why does KB888111 overwrite it with an older version when you integrate it?

any opinions?

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