Registered Trademarks IBM PC, XT, AT and PC-DOS are registered trademarks of International Business Machines Corporation. MS-DOS is a registered trademark of Microsoft Corporation. AutoCAD, AutoShade and 3D Studio are registered trademarks of Autodesk Inc. Intergraph MicroStation is a registered trademark of INTERGRAPH. MultiSync is a registered trademark of NEC Corp. PCI and PCI Local Bus are registered trademarks of the PCI Special Interest Group (SIG). VESA is a registered trademark of the Video Electronics Standards Association. Windows is a registered trademark of Microsoft Corporation. All other names are tradenames / trademarks of their respective owners.