retrocomputing community. "SxSI" (SCSI for SASI) is a driver and utility set used to connect modern SCSI or SD-card-based storage to older SASI-equipped X68000 hardware.
If you have a valid Siemens service contract, download (released late 2015). Inside the Win64\System folder lies sxsi.dll (version 5.6.2.1). sxsi x64 windows 8 link
Post your specific error code (e.g., "0x80040154" – Class not registered) in Siemens' official community forum. Provide your Windows 8 build number and SXSI use case for targeted advice. retrocomputing community