PDP-11/23 Debugging

Pete Turnbull pete at dunnington.plus.com
Sat Nov 8 12:26:11 CST 2014

On 08/11/2014 15:58, Noel Chiappa wrote:

> So it turns out that loose wire-wrap pins seem to be a systemic problem on
> 11/23's. I just discovered _3_ more on one single 11/23 board - two of them
> the pins for the master clock! I put my finger-tip on them and wiggled, and
> they were loose.

I've had dozens of those pass through my hands or at least across my 
workbench and I don't recall ever seeing that.  But given your 
experience, it's clearly something to watch for nowadays.  I wonder if 
it's exacerbated by the wire-wrapping being done.


Pete Turnbull

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