PDP-11/73 booting!

Tony Duell ard at p850ug1.demon.co.uk
Wed Nov 16 18:32:40 CST 2005


> 
> > Check the Berg end of the controller cable - make sure you don't have
> > any disloged pins or wires that are pulling out of the crimp pins...
> > those ends are somewhat fragile (compared to IDC-type flat cables),
> > and I've seen some mechanical abuse.
> 
> Okay, that's at least part of the problem. The red wire that connects  
> near the end of the connector marked AB is broken. Looks like it will  

Are you sure it's not supposed to be? One of the 'corner pins' is used to 
provide power for the terminator (sourcde by the RL drive that the 
terminator is plugged into) and is not bused between drives or to the 
controller. I would at least check this wire is used before worrying 
about it.

-tony


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