The GTDIO32.DLL driver is a 32 and a 64-bit DLLs for Windows XP (SP3)-Windows 11 (32/64 bit). On 32-bit machines the 32-bit DLL reside under Windows\System32. On 64-bit machines two DLLs are installed, the 64-bit version resides under and the 32-bit DLL is under Windows\SysWOW64 folder.
The DLLs uses a device driver to access the board resources. The device driver HW.SYS/HW64.SYS is installed by the setup program and is shared by other Marvin Test Solutions products (e.g. ATEasy). Windows\System32 folder,
The DLL can be used with various development tools such as Microsoft Visual C++, Borland C++ Builder, Microsoft Visual Basic, Borland Pascal or Delphi, ATEasy, LabView, LabWindows/Cvi and more. The following paragraphs describe how to create an application that uses the driver with various development tools. Refer to the paragraph describing the specific development tool for more information.