Siemens PC Adapter USB A2 (Article No. 6GK1571-0BA00-0AA0 ) is a critical communication link for connecting PCs or notebooks to SIMATIC S7 systems via PROFIBUS or MPI. While newer operating systems are standard, the adapter is officially verified for use under Windows XP SP2 and higher Siemens SiePortal Driver Verification and Compatibility

To ensure a successful installation on a Windows XP environment, follow this verified procedure:

Step 2: Prepare the driver files.

  • Extract your downloaded USB_Adapter_Driver_V1.6.zip to a folder on your desktop, e.g., C:\Siemens_Drivers\USB_A2.
  • Note the location of the .inf file (most likely s7usb32.inf).

Security and compatibility notes