> On Nov 7, 2017, at 7:49 PM, Johnny Billquist <b...@softjar.se> wrote:
>
> I actually don't think he has a mixed massbus. I don't think you could even
> configure simh for this. Simh have a very simplistic view on hardware
> configurations.
> You don't configure massbuses, and put devices on them. You normally just
> configure the devices, and all the bus and controller configurations come
> implicit from that.
>
> So, if you specify a massbus disk, you'll get a corresponding massbus. And
> for tapes, you'll get another one.
> Both configured appropriately for that specific type of device you have
> hooked to it.
>
> In RSX land, only M+ supported mixed massbus, as you mention. Not sure
> when/if VMS did. Not sure how much of anything else that might have supported
> it either.
RSTS definitely did not. It does support mixed RP/RM massbus, which is more
usual but not universal either, I think. But no mixing disk and tape.
paul
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