Re: [Simh] Origins of MSCP

2019-06-25 Thread Johnny Billquist
Thanks for that insight, Bob. I wasn't anywhere near DEC when this happened, but it do match my perceptions of the whole thing very well. MSCP was definitely an improvement on Massbus in pretty much every way. Possibly with the exception of if you wanted to throw together some small piece

Re: [Simh] Origins of MSCP

2019-06-25 Thread Paul Koning
> On Jun 25, 2019, at 11:43 AM, Bob Supnik wrote: > > True. My first assignment at DEC was managing the "New Disk Subsystem" (NDS) > advanced development project, which led eventually to both the HSC50 and the > UDA50. Among the goals of the project were > > 1. To move ECC correction off

Re: [Simh] Origins of MSCP

2019-06-25 Thread Bob Supnik
True. My first assignment at DEC was managing the "New Disk Subsystem" (NDS) advanced development project, which led eventually to both the HSC50 and the UDA50. Among the goals of the project were 1. To move ECC correction off the host and into the disk subsystem, so that much more powerful