whql

from The Free On-line Dictionary of Computing (8 July 2008)

Windows Hardware Quality Labs
WHQL

   <body, standard> (WHQL) A {Microsoft} body that produces and
   supports the {Microsoft} {Hardware Compatibility Test} kit for
   current Microsoft {operating systems}.  Products are tested
   with the kit to ensure that they meet Microsoft standards for
   compatibility with {Windows} and to qualify to use the
   "Designed for Microsoft Windows" logos.

   (http://microsoft.com/hwdq/hwtest/).

   (2002-11-13)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

WHQL
       Windows Hardware Quality Lab (MS, Windows, PC97)