In addition to everything mentioned by everyone else, you might want to take into account the type of "report" that you saw. If it's more a document type report than a line printer listing report, you might have a diskette from a DEC WPS-8 word processing system.
https://en.wikipedia.org/wiki/WPS-8 Tom On Mon, Jul 10, 2017 at 4:10 PM, Walker Sampson <walker.samp...@colorado.edu > wrote: > Hi everyone, > > > > Let me preface this by saying that I’m unfamiliar with the original PDP > machines. I work as a digital archivist and have received 8” floppy disks > from which I need to recover data. > > > > I believe I have recovered at least partial data from these disks; I’ve > connected a Y-E Data 8” floppy drive to a KryoFlux floppy disk controller > and gotten positive sector results setting the format to a DEC RX02 sector > image. When I investigate the resulting disk image in a hex editor, I am > seeing clearly a report document, so I don’t believe I have a false > positive. > > > > Outside of observing in a hex editor however, I don’t know how to access > the disk or its contents. Using SIMH, I haven’t gotten the virtual machine > to boot the floppy disk image. > > > > Commands “AT RK01 <disk_image>” and then “BOOT RK01” give me a “HALT > instruction, PC: 000002 (HALT)” message for the PDP-11 program. The PDP-8 > stalls indefinitely and the PDP-10 outputs “Non-existent device” as well. > > > > I can’t go back to the donors and ask what machines these 8” floppies were > used with, so I’m not sure how to begin troubleshooting. > > > > Any advice in that area is much appreciated! > > > > Thanks, > > > Walker > > > > > > _______________________________________________ > Simh mailing list > Simh@trailing-edge.com > http://mailman.trailing-edge.com/mailman/listinfo/simh >
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