dpsa \R\ contains:
R\ -Realtek HD Audio
    Versions 2.28 thru 2.50 cause install problems reported here: 
  http://forum.driverpacks.net/viewtopic.php?pid=36148#p36148
  http://forum.driverpacks.net/viewtopic.php?id=4294
  
The drivers in \R2\ MUST REMAIN INTACT and unaltered.
Newer Realtek HD Audio drivers will go in dpsa \R\ but will have some .inf files edited so to break driver signing intentionally.

The following files are altered to break signing intentionally:
;   Driver signing intentionally broken by DriverPacks to force \R2\ selection.
\R\HDARt.inf
  ;  HDAUDIO\FUNC_01&VEN_10EC&DEV_0880
  ;  HDAUDIO\FUNC_01&VEN_10EC&DEV_0260
\R\HDAHP880.inf