[vcf-midatlantic] Univac update

Glenn Roberts glenn.f.roberts at gmail.com
Tue Oct 10 08:55:12 EDT 2017


This is amazing work!  Awesome!

Sent from my iPhone

> On Oct 10, 2017, at 12:01 AM, Evan Koblentz via vcf-midatlantic <vcf-midatlantic at lists.vintagecomputerfederation.org> wrote:
> 
> Duane Craps (from several states away) and Bill Dromgoole spent the weekend at our museum to work on the Univac. Here's a lightly edited version of their report:
> 
> ---------------
> 
> The 1219B is mostly operational It still has a few intermittent problems and a few we know about like a fan not operating below the memory chassis.
> 
> We don’t have full communication with the 1540 tape drive but can transfer functional commands.
> 
> We found a few bad cards in the tape drive but a lot more work is needed.
> 
> We are able to load UPAK and diagnostic programs.
> 
> We loaded and executed the memory test program but did not get a full 10 passes to get a good printout.
> 
> After about 5 to 8 passes we get a program fault. We think due to overheating.
> 
> We also were able to load and run “Hunt the Wumpus” game program.
> 
> Here are some photos and videos.
> 
> The second photo shows the broken computer with the main timing chain not working and some random lights lit.
> 
> The eighth photo shows the parts at fault we found the first day.
> 
> https://photos.app.goo.gl/Sauxna7fBda2OroU2
> 
> This link should work for anyone who thinks 640K is enough."
> 
> -----------------
> 
> Related: Drom and Duane also served as museum docents. They reported a modest amount of visitors Saturday and tons of visitors Sunday. Said Drom: "It was so hectic I couldn’t give people as much attention as they wanted."
> 



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