Re: Rewriting SSA. Is This A Chance For GNU/Linux?

On 05/04/2025 09:31, c186282 wrote:

On 4/4/25 2:53 PM, rbowman wrote:

On Fri, 4 Apr 2025 08:30:23 -0400, c186282 wrote:
>

On 4/4/25 4:38 AM, The Natural Philosopher wrote:

On 04/04/2025 01:16, rbowman wrote:

On Thu, 3 Apr 2025 16:38:57 -0400, c186282 wrote:
>

     The 360/370 boxes WERE really popular, so I'm gonna GUESS
     there's a least one or two still chugging away. Maint cost
     would be insane these days ... but you can kinda bury that in
     the budget while new hardware stands out more and in more
     places.

>
I'm not sure there are any little old ladies left to knit magnetic
core.

>
Last time I looked they were little asian ladies wit teeny nimble
fingers.
Did all the coil winding in that factory.

>
    Look up "rope memory"  :-)

>
Then came twistor memory which begat bubble memory...

    Everybody had a trick back in the day. "Bubble"
   wasn't bad really ... just couldn't push up
   performance or capacity easily enough. Have you
   ever looked into 'FRAM' - ferroelectric - mem for
   embedded ? Much faster than flash, almost infinite
   re-write capability, BUT they can't get the density
   up much beyond the current, rather low, levels. It
   still has a useful place (and I've used it) but it
   has no "greater future" so far as I can discern.
    "Rope" was interesting because it was used in the
   NASA lunar lander vehicle. Basically cores on loose
   wire, and I think SPACING was important. Why the hell
   did they use that in 1969 ? Because, the way things
   work, the govt SPECS for the vehicle probably went
   out the door before JFK even finished his moon speech.
   That's where the e-tech was frozen for all intents.

Project I worked on was undersea repeater for optical cables.
Probably the worst organised and specified project ever, but that's a by the by. They said 'you are lucky we are allowed to use a silicon processor, up to 5 years ago we had to use germanium' 'Why?' Because that was the only technology more than 15 years old that could be guaranteed to last the 15 years'
--
The lifetime of any political organisation is about three years before its been subverted by the people it tried to warn you about.
Anon.