surplus source for MRA connectors?

Tim Shoppa shoppa at
Tue Nov 2 16:27:06 CDT 2010

> In particular, the MRA42P solder cup 42 pin "winchester" plug for
> Diablo 31 disk drives.

Manufacturer's webpage lists Powell and CDM as stocking distributors.

Does the CHM or someone local to you have a RK03? Some mid-late-70's
early DEC and DG 3rd-party sellers (AED? DSD? General Robotics?) sold Diablo
drives with their own homegrown Unibus and Omnibus interfaces but that
stuff was kinda crufty when it brand new, never mind 30+ years later. Wasn't
the Diablo 30 the same as the RK03?


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