I'd start by downloading simh <https://github.com/simh/simh> and see what
storage any of the early DEC system support in the simulations. That will
not be 100%, as systems like the PDP-9 did not originally support a disk,
so the one Ken Thompson used had been a PDP-7 disk spliced by DEC CSS on
the 9. So the UNIX V0 work we had to move the code from one simulator to
the other (which was easy in SW - for the work we are doing at LCM on real
HW, we are just emulating with a modern disk).
Also, FWIW: might try the Classic Computers, Rescue mailing lists and maybe
the simh list too (although read the source first ;-).
On Wed, Jul 3, 2019 at 3:03 PM Warner Losh <imp(a)bsdimp.com> wrote:
I'm looking for a list of all hard disk drives that DEC supported prior to
~1970 or so as part of some research I'm doing for my talk this fall in
Lillehammer. so far, I've only found one listed in a pdp-9 brochure (the
RB09 listed in the PDP-9 handbook). Are there others? I've seen a reference
to an RA01, but have seen no details on it. It appears that Rx## is the
pattern to look for in that era.
Alternatively, if someone can articulate the XX## naming scheme of the
time, that would be great. I've seen Dx## for different communications
modules, for example, but don't know if I can generalize.
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