[SML] turning off light boards

[Chip Wood]

Did that in '75 when NSA retired their PDP-1 (Serial # 1) for a PDP-10 
back when core was core and NSA was only a little paranoid.  Ran a 
million cycles of random data thru it and they said that wasn't enough. 
So we yanked it and put it on a shelf.  That thing could still be there 
after 40 years.

Chip 1

On 11/24/2015 8:41 AM, Alf Sauve' via Stagecraft wrote:
> On 11/23/2015 10:36 PM, Richard John Archer via Stagecraft wrote:
>> volatile core memories
> Never heard of "volatile" core memory.   One of the advantages, 
> possible the only one, of 'core" memory was that it was not volatile.  
> It actually was a real pain if you were trying to scrub it clean of 
> classified data.     Been there. done that.