On Fri, Dec 13, 2019 at 10:55 AM Guy Sotomayor via cctalk < cctalk@classiccmp.org> wrote:
> I’ve been trying to find *detailed* specifications (mainly detailed signal > timings) for the SMD disk interface but all I’ve found so far are the > interface specifications for individual disks (CDC, Fujitsu, etc). I’ve > looked in the usual places (bitsavers mostly) and haven’t found the spec > itself. If anyone has any pointers, I’d appreciate it. > You've seen that the SMD spec (as of March 1981) is on Bitsavers? pdf/cdc/discs/interface_specs/64712400_SMDCableSpec_Mar81.pdf That doesn't cover later enhancements such as SMD-E.