Thanks Eric, I somehow missed that one.

TTFN - Guy

> On Dec 13, 2019, at 11:42 AM, Eric Smith <space...@gmail.com> wrote:
> 
> On Fri, Dec 13, 2019 at 10:55 AM Guy Sotomayor via cctalk 
> <cctalk@classiccmp.org <mailto: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.
> 

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