https://datageneral.uk/repository/data-general-hardware/005-038601-scsi-ii-controller-6786-6787/
005-038601 - SCSI II Controller (6786 / 6787) - Data General Nova, Eclipse, MV and AV
Dec 20, 2019 - Inferno PCB Bootable Code In Flash NCR SCSI II Controller SCSI SE or DIFF Selection This is SCS