[vcf-midatlantic] System Source February Repair workshop

Bill Degnan billdegnan at gmail.com
Wed Feb 19 19:57:10 EST 2020

I got help from Ryan to make an OS/8 disk on the System Source DECMATE, for
my DECMATE.  Unfortunately I learned I don't have the right cable so I
still need one to complete this system.  But one step closer!  My favorite
item at System Source is the Wang LOCI-2.

On Wed, Feb 19, 2020 at 7:43 PM Alexander Pierson via vcf-midatlantic <
vcf-midatlantic at lists.vcfed.org> wrote:

>  System Source was great! I'm glad I got a chance to go both days (looked
> like Sunday was off the table initially), and to see so many people I only
> cross paths with once or twice a year.  The contents of that museum are
> different from other ones I've seen thus far, and sure, they had a lot of
> the common big name machines, but they also had quite a few that I hadn't
> ever seen before in person.  Related note, they have a Westinghouse 1600
> terminal, which I had never seen before, much less heard of.  Have any of
> y'all crossed paths with them?
> I rewired the rats nest in my OSI Challenger 4P, and added in an A15 I/O
> connector board.  Fired it up when I got back home and could reassemble the
> hardware bits, which you can see here.  I was able to compare against the
> configuration of Bill Dromgoole's Challenger (which has an A15).  I've
> never seen so many OSI machines in one place before, and no two were the
> same.  More pictures on twitter.
> Jonathan Sturges and Jeff Salzman were debugging their VIC-20's, and I
> hope my input was helpful in their respective repair processes.  Had I
> thought about it, I would have dragged in some spare VIC parts, tools, and
> appropriate documentation.
> All in all, it was a blast.  I'm glad it was close enough for me to attend
> without much hassle.
> -Alexander 'Z' Pierson
>     On Wednesday, February 19, 2020, 02:53:00 PM EST, Ethan O'Toole via
> vcf-midatlantic <vcf-midatlantic at lists.vcfed.org> wrote:
>  > I have a pretty good writeup and info about loading BASIC onto an
> Altair,
> > and if the cards are the *same port* it will work on the IMSAI as well.
> > Assuming a MITS SIO2 or the equivalent settings such as with the
> Processor
> > Tech SIO card.  I don't know all of the details but I have done this many
> > different ways on a number of S100 systems, happy to help if I can.
> > http://vintagecomputer.net/browse_thread.cfm?id=318
> > http://vintagecomputer.net/browse_thread.cfm?id=531
> > Bill
> Hello Bill,
>   I have the 88-2SIO board which is supposed to be 100% ALTAIR
> compatibile. Off the top of my head the 1st Serial port is at 10H
>   Also, I didn't use any kind of loader. I ascii upload it thru the rom
> monitor on the 88-2SIO starting at address 0000. Then execute at 0000.
>              - Ethan

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