[vcf-midatlantic] System Source February Repair workshop

Bill Degnan billdegnan at gmail.com
Wed Feb 19 20:01:19 EST 2020

Here it is

On Wed, Feb 19, 2020 at 7:57 PM Bill Degnan <billdegnan at gmail.com> wrote:

> 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.
> Bill
> 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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