Changing BIOS or HDD PW from Win32

I need a Class or Utility that Can Set the BIOS password or HDD password (via the BIOS) from Win32 Code. Prefer native .NET interface, but Win32 code with Interop may work also. As long as it can be called from a C# Windows application, It should be fine. The Target BIOS is Phoenix for Tablet PCs ver A04. The goal here is to lock out non-paying subscribers from using our hardware, until they bring their account current. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. This should include a sample or test application. 2) Installation package (or batch file or instructions) that will install the software (in ready-to-run condition) on the platform(s) specified in this bid request. 3) Complete ownership and distribution copyrights to all work purchased. 4) High-Level documentation in the form of a summary, flow chart and/or UML diagram ## Platform Windows XP Tablet PC edition