MicroWin 3.2的Readme中有这样一段：

1 Hardware Requirements

· Microsoft Windows 95, Windows 98, Windows 2000, Windows Me, or Windows NT
· A personal computer (PC) capable of running one of the above operating systems, refer to Microsoft's specifications for more information.
· At least 50 Mbytes of free hard disk space
· Screen resolution of 1024x768 pixels
· Any mouse supported by Microsoft Windows
· For communicating with the S7-200 you will need one of the following:
1. A PC/PPI Cable connected to your serial communications port (PC COM1 or COM2)
2. A communications processor (CP) card and multipoint interface (MPI) cable
3. A multipoint interface (MPI) card and communications cable