[MSDN Library April 2000] Annex A (Informative) - Additional Modem Information (100%)

MSDN Library - April 2000 > Specifications > Platforms > Plug and Play External COM Device Specification

[MSDN Library April 2000] Annex C (Informative) - Class Names (87.5%)

MSDN Library - April 2000 > Specifications > Platforms > Plug and Play External COM Device Specification

[MSDN Library April 2000] Annex B COM Enumerator Constraints (82.2115384615385%)

MSDN Library - April 2000 > Specifications > Platforms > Plug and Play External COM Device Specification