PDP 11 gear finally moved
bfranchuk at jetnet.ab.ca
Thu Jul 23 01:28:19 CDT 2015
On 7/23/2015 12:06 AM, William Donzelli wrote:
>> As Eric, I'm a member of the PDP-1 Restoration Team. The PDP-1 restoration was completed in 2005 - and annually we check the power supplies for voltage, ripple, etc. Not one of the re-formed capacitors have failed in the ten years since the completion of the restoration.
> Did the team ever consider some sort of active monitoring of the
> power, beyond whatever DEC implemented?
> The big, chunky power supplies from the 1960s and 70s have the
> advantage that you can very often make completely reversible changes
> to the circuitry quite easily, due to all the screw terminals and the
> like - adding current and voltage sense points, crowbars, and other
> gizmos that just might save a transformer or two. And with today's
> technology, those gizmos could be very small and tucked away.
I think that is their choice not ours.
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