Hand-wired core for ROM?

[geneb]

On Fri, 10 Apr 2015, Rod Smallwood wrote:

> Not seamstresses but nimble fingered girls in Puerto Rico and the Phillipines
> Core was in effect ROM. Power the system down switch off and anytime later 
> turn it back on and whatever was
> in core was still there. I can remember our  Field Service guys restarting 
> the final factory diagnositc on new systems.
>
I understand how core works, I'm just _seriously_ doubting the guy's post 
where he talked about modifying a core "ROM" by hand by changing the 
wiring.  However, since I'm not hugely familiar with what went on during 
that era, I want to make sure where I stand before I tell him he's full of 
it. :)


g.
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