Re: Extracting files off “unknown” 8 inch disks. Any thoughts…

Jerry Weiss jsw at
Thu May 4 18:02:59 CDT 2017

If these are from a VAX, could they be microcode disks for a 11/780?  There was a RX01 attached via a LSI-11 as console.  

Or they could just be disks used for data exchange.  They would be in another DEC OS file format, rather than ODS2.

Jerry Weiss
jsw at

> On May 4, 2017, at 4:41 PM, Terry Stewart via cctalk <cctalk at> wrote:
> Hi guys,
> Just tying up some unfinished business.  Right at the beginning of this
> thread I said...
>> Guys in the building next door to me (a Science lab) have found some 8
> inch floppy disks.
>> They want to see what’s on them, or at least to archive them.
>> They have no idea what machine these disks were used with, or the software
> was used to write the files.
>> They may be CP/M, or some other format entirely.
> Now that I've got the 8 inch disk drive up and running and have some
> experience with it, I thought I've give these disks a go.
> It turns out these disks are from a VAX machine. Assuming the OS is VMS, I
> scoured the Internet for something that might read them.
> …...
> Any comments most welcome.
> Thanks!
> Terry

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