According to the document referenced below the MicroVAX Diagnostic Monitor, Version 5.0, Release 139 was available a CD-ROM media, where QZ-K32AA-H8 was the order number of the CD-ROM media kit. So the question is, does anyone happen to have a copy of that MDM CD-ROM? Or any versions of MDM on CD-ROM? MicroVAX Diagnostic Monitor Release Notes Order Number: AA-PK29E-TE These release notes describe restrictions, undocumented features, and other essential information about the MicroVAX Diagnostic Monitor (MDM) Version 5.0, Release 139. These release notes supersede all other MDM documentation. http://manx-docs.org/collections/mds-199909/cd1/vax/pk29ete.pdf