> On Jan 8, 2021, at 2:57 PM, Eric Smith via cctalk <cctalk@classiccmp.org> > wrote: > > On Thu, Jan 7, 2021 at 7:38 PM Chris Zach via cctalk <cctalk@classiccmp.org> > 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. paul
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