Got DSM-11 running, any manuals online?

Paul Koning paulkoning at
Fri Jan 8 19:17:42 CST 2021

> On Jan 8, 2021, at 2:57 PM, Eric Smith via cctalk <cctalk at> wrote:
> On Thu, Jan 7, 2021 at 7:38 PM Chris Zach via cctalk <cctalk at>
> wrote:
>> Oddly enough SIMH seems to read a raw RQDX1/2 disk pretty well.
> That's good to know, but not really all that odd. Arguably the main purpose
> of MSCP was to abstract away drive and controller differences.

Yes, but also to hide bad blocks.  So the difference between a raw sector dump and a SIMH container file is, minimally, the spare sectors.  What that looks like depends on the format; I have no idea what MSCP controllers did.


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